background image

70

Index

2-stroke engine oil ................................... 28

A

After removing the watercraft from the 

water ..................................................... 49

B

Battery care.............................................. 51
Battery checks ......................................... 36
Battery, jumping....................................... 67
Beaching the watercraft........................... 49
Bilge water check..................................... 36
Bilge water, draining ................................ 30
Bilge water, draining on water ................. 30
Boarding and starting in deep water........ 47
Boarding and starting in shallow water.... 46
Bow rope hole.......................................... 25

C

Capsized watercraft ................................. 48
Carburetor, adjusting ............................... 61
Choke cable, adjusting ............................ 61
Choke knob.............................................. 21
Cleaning ................................................... 54
Cleaning the watercraft............................ 51
Cooling water pilot outlet ......................... 21
Cooling water pilot outlet check .............. 39
Craft Identification Number (CIN)............... 1
Cruising limitations..................................... 9

E

Emergency procedures............................ 66
Engine break-in ........................................ 32
Engine compartment check ..................... 35
Engine idling speed, adjusting ................. 62
Engine overheat warning system ............. 22
Engine serial number ................................. 1
Engine shut-off cord (lanyard) check ....... 38
Engine shut-off switch ............................. 19
Engine stop switch................................... 19
Engine unit check..................................... 36
Enjoy your watercraft responsibly............ 15
Equipment................................................ 24

F

Fire extinguisher check ............................ 39
Fire extinguisher container....................... 26
Fire extinguisher container checks .......... 39
Flushing the cooling water passages....... 50
Fuel .......................................................... 28

Fuel and engine oil requirements ............. 28
Fuel cock knob......................................... 21
Fuel filter, checking .................................. 61
Fuel level check........................................ 35
Fuel system checks ................................. 35
Fuel tank, filling ........................................ 29
Fuse, replacing......................................... 67

G

Getting to know your watercraft .............. 40
Glossary, watercraft ................................. 16

H

Hazard information................................... 13
Hood ........................................................ 24
Hood check.............................................. 39
Hull and deck check ................................ 39

I

Identification numbers ............................... 1

J

Jet intake and impeller, cleaning.............. 66
Jet intake checks ..................................... 39
Jet thrust nozzle angle, adjusting ............ 57
Jumper cables, connecting...................... 67

L

Labels, important ....................................... 3
Labels, other .............................................. 7
Labels, warning .......................................... 4
Launching the watercraft ......................... 41
Learning to operate your watercraft......... 40
Leaving the watercraft.............................. 43
Limitations on who may operate the 

watercraft................................................ 8

Long-term storage ................................... 54
Lubrication ............................................... 54
Lubrication points .................................... 61

M

Main components, location of ................. 17
Maintenance............................................. 56
Manufactured date label ............................ 2
Mixing fuel and oil .................................... 28

O

Operating in weeded areas ...................... 49
Operating positions.................................. 40
Operating the watercraft .......................... 43
Operating your watercraft ........................ 40
Operation requirements ........................... 10

UF4D70E0.book  Page 70  Wednesday, May 7, 2014  10:53 AM

Summary of Contents for WaveRunner SuperJet 2015

Page 1: ...Read this manual carefully before operating this watercraft OWNER S OPERATOR S MANUAL 2015 WaveRunner SuperJet F4D 28199 70 E0 UF4D70E0 book Page 1 Wednesday May 7 2014 10 53 AM ...

Page 2: ...lely for rac ing The use of this machine should be limited to designated areas or events Read this manual carefully before operating this watercraft This manual should stay with the WaveRunner if it is sold UF4D70E0 book Page 1 Wednesday May 7 2014 10 53 AM ...

Page 3: ...Super Jet Model name Commercial name Personal Watercraft Type of craft Petrol engine Type of Propulsion 48 5 Engine Power kW 2 24 0 68 Length Beam of hull meter Directives Directive 2004 108 EC relating to electromagnetic compatibility EMC CISPR 12 Standards EN 61000 6 2 IMPORTANT NOTICE This personal watercraft is intended solely for racing within the European Union as it has not been certified f...

Page 4: ...you to potential personal injury haz ards Obey all safety messages that follow this symbol to avoid possible injury or death WARNING EWJ00072 A WARNING indicates a hazardous situa tion which if not avoided could result in death or serious injury NOTICE ECJ00092 A NOTICE indicates special precautions that must be taken to avoid damage to the watercraft or other property TIP A TIP provides key infor...

Page 5: ...r pilot outlet 21 Water separator 22 Engine overheat warning system 22 Equipment operation 24 Equipment 24 Hood 24 Bow rope hole 25 Stern rope hole 25 Storage pouch 25 Fire extinguisher container 26 Operation and handling requirements 28 Fuel and engine oil requirements 28 Fuel 28 2 stroke engine oil 28 Mixing fuel and oil 28 Filling the fuel tank 29 Draining the bilge water 30 Draining the bilge ...

Page 6: ...ol kit 56 Adjusting the steering friction 56 Adjusting the jet thrust nozzle angle 57 Periodic maintenance chart 59 Checking the spark plugs 60 Lubrication points 61 Checking the fuel filter 61 Adjusting the choke cable 61 Adjusting the carburetor 61 Specifications 63 Specifications 63 Trouble recovery 64 Troubleshooting 64 Troubleshooting chart 64 Emergency procedures 66 Cleaning the jet intake a...

Page 7: ...ber is stamped on a plate at tached inside the engine compartment See page 24 for hood removal and installation procedures MODEL SJ700B P SuperJet EJU36461 Craft Identification Number CIN The CIN is stamped on a plate attached to the hull on the aft starboard right side EJU40641 Engine serial number The engine serial number is stamped on a plate attached to the engine unit See page 24 for hood rem...

Page 8: ... labels 2 EJU41742 Manufactured date label This label is attached to the muffler See page 24 for hood removal and installation procedures 1 Manufactured date label location UF4D70E0 book Page 2 Wednesday May 7 2014 10 53 AM ...

Page 9: ...eral and important labels 3 EJU30453 Important labels Read the following labels before using this watercraft If have any questions consult a Yamaha dealer UF4D70E0 book Page 3 Wednesday May 7 2014 10 53 AM ...

Page 10: ...General and important labels 4 EJU35914 Warning labels If any of these labels are damaged or missing contact a Yamaha dealer for replacements UF4D70E0 book Page 4 Wednesday May 7 2014 10 53 AM ...

Page 11: ...General and important labels 5 UF4D70E0 book Page 5 Wednesday May 7 2014 10 53 AM ...

Page 12: ...General and important labels 6 UF4D70E0 book Page 6 Wednesday May 7 2014 10 53 AM ...

Page 13: ...eneral and important labels 7 EJU35926 Other labels The following label indicates the correct direction to upright a capsized watercraft F2F 6418F 00 15 UF4D70E0 book Page 7 Wednesday May 7 2014 10 53 AM ...

Page 14: ...wner s operator s manual the Riding Practice Guide the Riding Instruction card and all labels on the watercraft These ma terials should give you an understanding of the watercraft and its operation Never allow anyone to operate this water craft until they too have read this own er s operator s manual the Riding Practice Guide the Riding Instruction card and all labels EJU30701 Limitations on who m...

Page 15: ...performance boat not a toy Sharp turns or jumping wakes or waves can increase the risk of back spinal injury paralysis facial injuries and broken legs ankles and other bones Do not jump wakes or waves Do not operate the watercraft in rough wa ter bad weather or when visibility is poor this may lead to an accident causing injury or death Be alert to the possibility of ad verse weather Take note of ...

Page 16: ...orceful water entry into the rectum or vagina All riders must wear a wetsuit bottom or clothing that provides equivalent protection Such clothing in cludes thick tightly woven sturdy and snug fitting apparel such as denim but does not include spandex or similar fab rics like those used in bicycle shorts Eye protection is recommended to keep wind water and glare from the sun out of your eyes while ...

Page 17: ... possible If you will be engaging in closed course competi tion follow the helmet requirements of the sanctioning organization Never operate the watercraft after consum ing alcohol or taking other drugs For reasons of safety and proper care of the watercraft always perform the pre op eration checks listed on page 33 before op erating the watercraft The operator should always keep both feet or knee...

Page 18: ...Recommended equipment The following items should be carried on board your watercraft Sound signaling device You should carry a whistle or other sound signaling device that can be used to signal other boats Visual distress signals It is recommended that a pyrotechnic de vice which is approved by the appropriate authorities be stored in a waterproof con tainer on your watercraft A mirror can also be...

Page 19: ...may still have some turning ability im mediately after releasing the throttle lever but once the engine slows down the wa tercraft will no longer respond to handlebar input until you apply throttle again or you reach trolling speed Practice turning in an open area without obstacles until you have a good feel for this maneuver This watercraft is water jet propelled The jet pump is directly connecte...

Page 20: ...sibility while reboarding Get to a standing or kneeling position quickly but do not ex pose yourself to the forceful jet thrust EJU30971 Safe boating rules Your Yamaha watercraft is legally considered a powerboat Operation of the watercraft must be in accordance with the rules and regulations governing the waterway on which it is used 1 Intake grate 2 Jet thrust nozzle 1 Clip 2 Engine shut off swi...

Page 21: ...ese is unavoidable ride slowly and obey all laws Proper maintenance is necessary to ensure that the exhaust emission and sound levels of your watercraft will continue to be within reg ulated limits You have the responsibility to make sure that the recommended mainte nance in this owner s operator s manual is carried out Remember pollution can be harmful to the environment Do not refuel or add oil ...

Page 22: ...r sur face but you are still traveling through the water There is a wake Planing speed Planing is a faster speed The watercraft is more level and is skimming on top of the water There is a wake Bow The front end of the watercraft Stern The rear end of the watercraft Starboard The right side of the watercraft when facing forward Port The left side of the watercraft when facing forward Bilge water W...

Page 23: ...ole 2 Steering pole cover 3 Bow rope hole 4 Fuel filler cap 5 Cooling water pilot outlet 6 Hood 7 Hood latch 8 Handlebar 9 Storage pouch 10 Riding tray 11 Stern rope hole 12 Jet thrust nozzle 13 Ride plate 14 Jet intake 15 Drive shaft 16 Intake grate UF4D70E0 book Page 17 Wednesday May 7 2014 10 53 AM ...

Page 24: ... Throttle lever 7 Engine shut off cord lanyard 8 Engine stop switch 9 Engine shut off switch 10 Fuel tank 11 Battery 12 Silencer 13 Spark plug Spark plug cap 14 Water separator 15 Muffler 16 Fuel filter 17 Flushing hose connector 18 Electrical box UF4D70E0 book Page 18 Wednesday May 7 2014 10 53 AM ...

Page 25: ...al starting or unauthorized op eration by children or others EJU41051 Start switch NOTICE ECJ01361 Do not run the engine for more than 15 seconds on land without supplying water otherwise the engine could overheat The start switch green button starts the en gine when the switch is pushed Release the start switch as soon as the en gine starts to run If the engine does not start in 5 seconds release...

Page 26: ...avel the angle of the jet thrust noz zle is changed and the direction of the water craft is changed accordingly Since the strength of the jet thrust determines the speed and degree of a turn throttle must always be applied when attempting a turn except at trolling speed The angle of the jet thrust nozzle can be ad justed to suit operator preference See page 57 for information on adjusting the jet ...

Page 27: ...erve is made available Turn the fuel cock knob to this position if you run out of fuel while operating the watercraft When this occurs refuel as soon as possible and be sure to turn the fuel cock knob back to ON EJU31203 Choke knob The choke knob can be operated to supply a richer air fuel mixture that is required to start a cold engine To use the choke Pull the choke knob out Push the choke knob ...

Page 28: ...at has entered the fuel tank breather hose if the watercraft was capsized If water has collected in the water separator drain it by loosening the drain screw To drain water from the water separator 1 Place a drain pan or dry cloth under the water separator 2 Gradually loosen the drain screw to drain the water Catch the draining water in the drain pan or soak it up with the dry cloth so that it doe...

Page 29: ...ilot outlet while the engine is running If there is no discharge of water stop the en gine and then check the jet intake for clog ging See page 66 for information on the jet intake NOTICE If you cannot locate and correct the cause of the overheating con sult a Yamaha dealer Continuing to oper ate at higher speeds could result in severe engine damage ECJ00042 UF4D70E0 book Page 23 Wednesday May 7 2...

Page 30: ...t it with the lock pin 2 Turn the latch knob to the OPEN posi tion and then pull up on the hood latch to unlatch the hood 3 Grasp the hood using the handgrips pro vided at the front and rear of the hood Lift the hood up and to the rear to re move it 1 Steering pole 1 Lock pin 1 Hood latch 2 Hood latch knob 1 Handgrip LOCK OPEN 1 2 UF4D70E0 book Page 24 Wednesday May 7 2014 10 53 AM ...

Page 31: ...oring or towing it in an emergency See page 68 for information on towing the watercraft EJU36012 Stern rope hole The stern rope hole is used to attach a rope to the watercraft when mooring it EJU31676 Storage pouch The storage pouch is located on the bottom of the hood Use the storage pouch to store the own er s operator s manual tool kit and other small items The storage pouch is not de signed to...

Page 32: ...extinguisher container The fire extinguisher container is located on the hood To open the fire extinguisher container 1 Lift the steering pole and support it with the lock pin 2 Grasp the tab pull the band to the rear and then pull it up 3 Lift the fire extinguisher container about 30 degrees from the storage position NOTICE Do not force the fire extin guisher container up more than 30 de grees fr...

Page 33: ... and then securely install the fire extinguisher container cap by tightening it until it stops 2 Lower the container on the hood to its storage position and secure it with the band 3 While holding the steering pole move the lock pin to the stowed position and then lower the steering pole 1 Fire extinguisher container cap UF4D70E0 book Page 27 Wednesday May 7 2014 10 53 AM ...

Page 34: ...ng ethanol can be used if ethanol content does not exceed 10 and the fuel meets the minimum octane ratings E 85 is a fuel blend containing 85 ethanol and therefore must not be used in this water craft All ethanol blends containing more than 10 ethanol can cause fuel system damage or engine performance problems Yamaha does not recommend gasohol con taining methanol because it can cause fuel system ...

Page 35: ...e fuel filler cap and remove it 5 Slowly add fuel to the fuel tank 6 Stop filling when the fuel level just reach es the bottom of the filler tube Do not fill up the filler tube Because fuel expands when it heats up heat from the engine or the sun can cause fuel to spill out of the fuel tank Do not leave the watercraft with a full tank in direct sunlight 7 Wipe up any spilled fuel immediately with ...

Page 36: ...wipe up any remaining moisture in the engine compartment with a dry cloth Jet vacuum bilge draining system While the watercraft is operating bilge water in the engine compartment is drawn in by the vacuum that is generated in the jet pump and discharged from the watercraft through the jet thrust nozzle To drain the bilge water on water Operate the watercraft as straight as possible and above plani...

Page 37: ...watercraft to the trailer with ropes or tie downs Use a rubber shock cord to secure the steering pole to the watercraft NOTICE Do not secure the steering pole with ropes or tie downs and do not secure it to the trailer Also do not transport the water craft with the steering pole up Otherwise the steering pole could be damaged Wrap the ropes or tie downs with towels or rags where they touch the bod...

Page 38: ... 1 See page 28 Mixing fuel and oil and Filling the fuel tank for in formation on filling the fuel tank 2 Launch the watercraft and start the en gine See page 41 for information on starting the engine 3 For the first 5 minutes operate with the engine at idling speed 4 For the first tankful of fuel squeeze the throttle lever slowly and operate at 3 4 throttle or less 5 Fill the fuel tank once more w...

Page 39: ...r Check the engine compartment for bilge water 36 Battery Check the battery connections and electrolyte level 36 Steering system Check the steering system for proper operation 36 Throttle lever Check the throttle lever for proper operation Check the throttle lever free play 37 Engine shut off cord lan yard Check the engine shut off cord lanyard for dam age 38 Switches Check the start switch engine...

Page 40: ...ion checks should be made each time the water craft is used POST LAUNCH CHECKS Cooling water pilot outlet Check that water is discharged from the cooling water pilot outlet while the engine is running 39 ITEM ROUTINE PAGE UF4D70E0 book Page 34 Wednesday May 7 2014 10 53 AM ...

Page 41: ...stem checks WARNING EWJ00382 Leaking fuel can result in fire or explosion Check for fuel leakage regularly If any fuel leakage is found the fuel sys tem must be repaired by a qualified me chanic Improper repairs can make the watercraft unsafe to operate Make sure that there is no damage leakage or other problem in the fuel system Check Carburetor for leakage Fuel filler cap and seal for damage Fue...

Page 42: ...ttery terminals and breather hose are not damaged and that the battery leads and breather hose are connect ed properly WARNING Fire or explosion could result if the breather hose is dam aged obstructed or not connected prop erly EWJ00452 Make sure that the electrolyte level is be tween the minimum and maximum level marks WARNING Never operate the wa tercraft if the battery does not have suffi cien...

Page 43: ...imes to make sure that operation is smooth and unrestricted throughout the whole range and that the free play is not excessive Also make sure that the steering pole does not have any side play EJU32595 Throttle lever checks Operate the throttle lever several times to make sure that operation is smooth through out the whole range Also make sure that the throttle lever returns automatically to its f...

Page 44: ...the engine stop switch and the engine shut off switch for proper operation See pages 19 to 19 for in formation on operating each switch To check the operation of the switches 1 Push the start switch to make sure that the engine starts 2 As soon as the engine starts running push the engine stop switch to make sure that the engine stops immediately 3 Restart the engine and then pull the en gine shut...

Page 45: ...quipment meeting the ap plicable regulations is on board EJU32353 Hull and deck check Check the hull and deck for damage or other problem EJU32657 Jet intake checks Make sure that the jet intake is not damaged or clogged with weeds or debris If the jet in take is clogged clean it See page 66 for in formation on the jet intake EJU40703 Hood check Make sure that the hood is securely closed See page ...

Page 46: ...s designed to carry the operator only Never have more than one person on the watercraft at any time EJU32985 Learning to operate your watercraft Before operating the watercraft always per form the pre operation checks listed on page 33 The short time spent checking the water craft will reward you with added safety and reliability Check local laws before operating your wa tercraft Operate defensive...

Page 47: ...re no obstacles around you If the watercraft is launched from a trailer someone should make sure that waves do not push the watercraft into the trailer After the watercraft is in the water turn it around so that the bow faces the direction you wish to go EJU32836 Starting the engine on water WARNING EWJ01521 Do not apply throttle when others are at the rear of the watercraft Turn the engine off or...

Page 48: ...way out to start a cold engine TIP The choke should not be used when the en gine is warm 5 While lightly squeezing the throttle lever push the start switch green button to start the engine See page 19 for infor mation on operating the start switch WARNING Do not apply too much throttle when starting the engine oth erwise the watercraft will accelerate unexpectedly This could cause a col lision or ...

Page 49: ...t WARNING EWJ00762 Do not release the throttle lever when trying to steer away from objects you need throttle to steer A collision could result in severe injury or death When operating at higher speeds make gradual turns or slow down before turn ing Sharp high speed turns may cause the watercraft to slide sideways or spin throwing the operator overboard which could cause an injury Steering control...

Page 50: ... throttle lever but once the engine slows down the watercraft will no longer respond to handlebar input until you apply throttle again or you reach trolling speed At trolling speed the watercraft can be turned gradually by handlebar position alone using just the amount of thrust available at idle D If the engine is stopped while riding there is no thrust The watercraft will go straight even though...

Page 51: ...e and turn in another direction WARNING EWJ00723 Allow adequate stopping distance Take early action to avoid collisions Re member watercraft and other boats do not have brakes Operate defensively at safe speeds and keep a safe distance away from people objects and other watercraft to give you time to stop Do not shut the engine off when slowing down in case you need engine power to steer away from...

Page 52: ...ntain a low center of gravity by operating it in the kneeling posi tion Even though it is easier to start in shallow wa ter you must learn deep water boarding first You will inevitably fall off so be sure you know how to get back on the watercraft once you are away from shore EJU33105 Boarding and starting in shallow water Be sure to learn the deep water starting method before operating the waterc...

Page 53: ... water while still close to shore before riding A person who has made many unsuccessful attempts to get back on the watercraft may become fa tigued and suffer from exposure increas ing the risk of injury and drowning 1 Swim to the rear of the watercraft Attach the engine shut off cord lanyard to your left wrist and then attach the clip to the engine shut off switch 2 Grip the handlebars with both ...

Page 54: ...n cause injury Be sure to shut the engine off by pulling on the engine shut off cord lanyard to remove the clip from the engine shut off switch Do not put your hands in the intake grate If the watercraft capsizes turn it over imme diately To upright the watercraft 1 Remove the clip from the engine shut off switch 2 Swim to the rear of the watercraft Turn the watercraft over clockwise If the port l...

Page 55: ...heating ECJ00473 4 Get off the watercraft and pull it up on the beach EJU37194 Operating in weeded areas Always avoid using your watercraft in areas where weed growth is thick If operating in weeded areas is unavoidable alternately squeeze the throttle lever and relax your grip on the throttle lever to vary the engine speed Weeds tend to become clogged more when operating at a steady speed and at ...

Page 56: ...n 15 seconds on land without supplying water otherwise the engine could overheat Flush the cooling water passages to prevent them from clogging with salt sand or dirt 1 Place the watercraft in a horizontal posi tion 2 Remove the hood See page 24 for hood removal and installation procedures 3 Connect the garden hose adapter to a garden hose 4 Loosen the flushing hose connector cap and remove it Ins...

Page 57: ...ine compartment as severe engine damage could result ECJ00572 3 Wipe the engine and engine compart ment with a dry cloth 4 Wash down the hull deck and jet pump with fresh water 5 Wipe the hull deck and jet pump with a dry cloth 6 Wipe all vinyl and rubber components such as the engine compartment seals with a vinyl protectant 7 To minimize corrosion spray metallic parts of the hull deck and engine...

Page 58: ... low add distilled wa ter to raise it to the specified level NOTICE Use only distilled water for replenishing the battery otherwise battery life could be shortened ECJ00242 If distilled water was added check the bat tery voltage It is recommended to have a Yamaha dealer check the battery voltage and charge the bat tery If you charge the battery yourself be sure to read and follow the instructions ...

Page 59: ...k the battery bands onto the holders 2 Connect the positive battery lead red to the positive battery terminal NOTICE Reversal of the battery leads will damage the electrical parts ECJ00262 3 Connect the negative battery lead black to the negative battery termi nal 4 Connect the breather hose to the bat tery WARNING Fire or explosion could result if the breather hose is damaged obstructed or not co...

Page 60: ...orage top off the fuel tank with fresh gasoline and add fuel stabilizer and conditioner to the fuel tank ac cording to the manufacturer s instruction be fore starting the engine 2 Clean the watercraft See page 51 for in formation on cleaning the watercraft Wax the hull with a non abrasive wax EJU40794 Lubrication Use a suitable marine grease applicator and spray a rust inhibitor between the inner ...

Page 61: ...nd installation procedures 2 Loosen the silencer cap and remove it 3 Make sure that the area around the wa tercraft is clear and then start the engine in a well ventilated area 4 Run the engine at a fast idle 5 Quickly spray as much rust inhibitor as possible through the hole in the silencer cover Keep spraying until the engine stalls or a maximum of 15 seconds WARNING Do not pour or spray gaso li...

Page 62: ...evices and system may be performed by any marine SI engine repair establishment or individual War ranty repair however must be performed at an authorized Yamaha marine dealer ship WARNING EWJ00312 Be sure to turn off the engine when you perform maintenance unless otherwise specified If you are not familiar with ma chine servicing this work should be done by a Yamaha dealer or other qualified me ch...

Page 63: ...steering pole move the lock pin to the stowed position and then lower the steering pole EJU31289 Adjusting the jet thrust nozzle angle The angle of the jet thrust nozzle can be ad justed to two settings to suit operator prefer ence To adjust the jet thrust nozzle angle 1 Remove the two bolts and then remove the steering pole cover 2 Pull back the outer sleeve of the steering cable joint and then d...

Page 64: ...teering column cannot be used 5 Securely connect the steering cable joint to the steering cable pivot bolt 6 Securely install the steering pole cover and two bolts in their original positions 1 Steering cable pivot bolt 2 Steering column 1 Nozzle angles 1 Nozzle angles 2 Steering cable pivot bolt positions Standard steering cable pivot bolt posi tion P2 Tightening torque Steering cable pivot bolt ...

Page 65: ...l Thereafter every Page 10 hours 50 hours 100 hours 200 hours 6 months 12 months 12 months 24 months Spark plugs Check clean replace 60 Lubrication points Lubricate 54 Intermediate housing Lubricate 61 Fuel system Check Fuel filter Check 61 Check replace Fuel tank Check clean Carburetor Check adjust Engine idling speed Check adjust 62 Carburetorthrottle shaft Check Bilge strainer Clean Impeller Ch...

Page 66: ...e electrode portion is significantly discolored if electrode ero sion becomes excessive if carbon and other deposits are excessive or if the spark plug gap is not within the specified range replace the spark plug TIP When the engine is operating normally the color of the spark plug electrode portion will be a medium to light tan To install a spark plug 1 Wipe off any dirt from the threads insu lat...

Page 67: ...ace the fuel filter if necessary EJU34442 Adjusting the choke cable Check that the choke cable is properly ad justed To adjust the choke cable 1 Pull the choke knob out until it stops and then release the knob The knob should not move 2 If the choke knob moves back on its own tighten the choke knob adjusting nut slightly If the knob is difficult to move loosen the adjusting nut slightly EJU34464 A...

Page 68: ...g speed as part of the usual maintenance routine EJU34472 Adjusting the engine idling speed 1 Place the watercraft in the water 2 Start the engine and warm it up for 1 to 2 minutes 3 While using a diagnostic tachometer turn the throttle stop screw to adjust the engine idling speed to specification Turn the throttle stop screw clockwise to in crease the engine idling speed or coun terclockwise to d...

Page 69: ...tem Pre mixed fuel and oil Cooling system Water Starting system Electric Ignition system C D I Spark plug BR7HS Spark plug gap 0 6 0 7 mm 0 024 0 028 in Battery capacity 12 V 19 Ah Charging system Flywheel magneto Drive unit Propulsion system Jet pump Jet pump type Axial flow single stage Impeller rotation Counterclockwise Jet thrust nozzle angle P1 14 4 14 4 P2 17 3 17 3 Fuel and oil Recommended ...

Page 70: ...ed 51 Terminal corroded Clean or replace 51 Starter motor Faulty Have serviced by Yamaha dealer Engine does not start Starter motor turns over Fuel cock Turned to OFF Turn fuel cock knob to ON 21 Fuel Empty Refill as soon as pos sible 29 Stale or contaminat ed Have serviced by Yamaha dealer Fuel tank Water or dirt present Have serviced by Yamaha dealer Spark plug Fouled or defective Replace 60 Spa...

Page 71: ...n or damaged Have serviced by Yamaha dealer Electrical wir ing Loose electrical con nections Have serviced by Yamaha dealer Carburetor Incorrect idle adjust ment Have serviced by Yamaha dealer Clogged Have serviced by Yamaha dealer 61 Watercraft slow or loses power Cavitation Jet intake clogged Clean 66 Impeller damaged or worn Have serviced by Yamaha dealer 66 Engine over heated Jet intake clogge...

Page 72: ...engine will overheat and may seize NOTICE If weeds or debris gets caught in the jet intake do not operate the water craft above trolling speed until they have been removed ECJ00654 If there is any sign that the jet intake or impel ler is clogged with weeds or debris return to shore and check the intake and impeller Al ways stop the engine before beaching the watercraft 1 Place a suitable clean clo...

Page 73: ... to the negative jumper cable 1 Connect the positive jumper cable to the positive battery terminals of both batteries 2 Connect one end of the negative jumper cable to the negative battery terminal of the booster battery 3 Connect the other end of the negative jumper cable to an unpainted bolt on the cylinder head 4 Start the engine and then disconnect the jumper cables by reversing the steps abov...

Page 74: ...comes inoperative in the water it can be towed to shore To tow the watercraft Use a towline that is three times the com bined length of the towing boat and the wa tercraft 1 Securely attach the towline to the bow rope hole of the watercraft being towed 2 Ride the watercraft with your body weight supported on the riding tray Hold on to the handlebars in order to balance the watercraft and keep the ...

Page 75: ...r far enough to drain the bilge water from the engine compartment NOTICE Turning the watercraft on its side with the hood removed could cause damage to the steering pole Use two people to pro vide enough support to make sure that the steering pole is not damaged ECJ00702 4 Turn the watercraft upright again 5 Have the watercraft serviced by a Yamaha dealer as soon as possible NOTICE Be sure to have...

Page 76: ...e extinguisher check 39 Fire extinguisher container 26 Fire extinguisher container checks 39 Flushing the cooling water passages 50 Fuel 28 Fuel and engine oil requirements 28 Fuel cock knob 21 Fuel filter checking 61 Fuel level check 35 Fuel system checks 35 Fuel tank filling 29 Fuse replacing 67 G Getting to know your watercraft 40 Glossary watercraft 16 H Hazard information 13 Hood 24 Hood chec...

Page 77: ...ring friction adjusting 56 Steering pole 20 Steering pole check 37 Steering system 20 Steering system checks 36 Stern rope hole 25 Stopping the engine 43 Stopping the watercraft 45 Storage pouch 25 Storage pouch checks 38 Submerged watercraft 69 Switch checks 38 T Throttle lever 20 Throttle lever checks 37 Tool kit 56 Towing the watercraft 68 Transporting 31 Troubleshooting 64 Troubleshooting char...

Page 78: ...Printed on recycled paper Printed in Japan June 2014 0 1 1 CR UF4D70E0 book Page 1 Wednesday May 7 2014 10 53 AM ...

Reviews: