Parsun F15A BM Owner'S Manual Download Page 18 | Manualshive

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2.1.1 Mounting height

The mounting height of the outboard motor greatly affects your boat running efficiency. If the mounting
height is too high, cavitation tends to occur, thus reducing the propulsion. If the mounting height is too low,
the water resistance will increase and thereby reduce engine efficiency. Mount the outboard motor so that
the anti-cavitation plate is between the bottom of the boat and a level 25mm below it.

(0-1in)

0～25mm

NOTE:
The optimum mounting height of the outboard motor is affected by the boat and motor combination
and the desired use. Test runs at a different height can help determine the optimum mounting
height. For further information, consult your “PARSUN” dealer or boat manufacturer.

https://www.boat-manuals.com/

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Summary of Contents for F15A BM

Page 1: ...OUTBOARD MOTORS OWNER S MANUAL F15A BM BW FW F20A BM BW FW SUZHOU PARSUN POWER MACHINE CO LTD https www boat manuals com ...

Page 2: ...is will ensure that your outboard motor operates well under all conditions We seek continuous improvement in product quality Therefore while this manual contains the most current product information available at the time of printing there may be minor discrepancies between your machine and this manual If there is any question concerning the manual please consult your local PARSUN dealer Data illus...

Page 3: ...n the bracket left assembly or on the upper part of the bracket swivel Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from your dealer or for reference in case your outboard motor is stolen 1 Outboard motor serial number location Serial number as follows SN 1 https www boat manuals com ...

Page 4: ...3 44 EC in relation to the exhaust and noise emissions The following installation and maintenance instructions if applied guarantee that the outboard motor will remain in compliance with 1 Exhaust emissions limits throughout the normal life or the engine 350 hours or 10 years whichever occurs first and under normal conditions of use 2 Noise emissions limits under normal conditions of use https www...

Page 5: ... Other high altitude issues can include hard starting increased fuel consumption and spark plug fouling To alleviate high altitude issues other than the natural power loss dealer can provide a high altitude carburetor main jet The alternative main jet and installation instructions can be obtained by contacting Customer Support The part number and recommended minimum altitude for the application of...

Page 6: ... modified for high altitude operation the air fuel mixture will be too lean for low altitude use Operation at altitudes below 609 6 meters 2 000 feet with a modified carburetor may cause the engine to overheat and result in serious engine damage For use at low altitudes have your dealer return the carburetor to original factory specifications WARNING https www boat manuals com ...

Page 7: ...ation 8 2 1 1 Mounting height 9 2 1 2 Clamping the outboard motor 10 2 2 Breaking in engine 11 2 3 Pre operation checks 12 2 4 Filling fuel 13 2 5 Starting engine 14 2 6 Warm up engine 18 2 7 Shifting 19 2 7 1 Forward 19 2 7 2 Reverse 20 2 8 Tiller 21 2 9 Stopping engine 23 2 10 Trimming outboard motor 24 2 10 1 Tilting up 26 2 10 2 Tilting down 28 2 11 Cruising in other conditions 29 https www bo...

Page 8: ... speed 35 3 5 Changing engine oil 36 3 6 Checking wiring and connectors 38 3 7 Checking for leakage 38 3 8 Checking propeller 38 3 8 1 Removing the propeller 39 3 8 2 Installing the propeller 39 3 9 Changing gear oil 40 3 10 Cleaning fuel tank 41 3 11 Checking and replacing anode s 42 3 12 Checking top cowling 42 3 13 Maintenance Table 43 4 Transporting and storing 45 4 1 Transporting 45 4 2 Stori...

Page 9: ...5 1 Impact damage 49 5 2 Starter will not operate 49 5 3 Treatment of submerged motor 52 6 Troubleshooting 53 7 Circuit diagram 57 https www boat manuals com ...

Page 10: ...ling lock handle 9 Tiller handle 16 Clam bolt 3 Drain screw 10 Starters handle 17 Fuel joint 4 Anti cavitation plate 11 Warning indicator 18 Fuel tank 5 Propeller 12 Gear shift lever 19 Remote control box 6 Cooling water inlet 13 Engine stop button 7 Tilt trim rod 14 Throttle frication adjuster https www boat manuals com ...

Page 11: ... its running and must not be as a fuel storage container Remote control The remote control lever actuates both the shifter and the throttle The electrical switches are mounted on the remote control box 1 Remoter control lever 2 Neutral interlock trigger 3 Neutral throttle lever 4 Main switch choke switch 5 Engine stop lanyard switch 6 Throttle friction adjuster 1 3 2 4 https www boat manuals com ...

Page 12: ...pens the throttle and the engine will begin to accelerate 1 Neutral N 2 Forward F 3 Reverse R 4 Shift 5 Fully closed 6 Throttle 7 Fully open Neutral interlock trigger To shift out of neutral first pull the neutral interlock trigger up 1 Neutral interlock trigger Neutral throttle lever To open the throttle without shifting into either forward or reverse put the remote control lever in the neutral p...

Page 13: ...le lever will operate only when the remote control lever is in neutral The remote control lever will operate only when the neutral throttle lever is in the closed position 1 Fully open 2 Fully closed https www boat manuals com ...

Page 14: ... 420mm 430mm Recommended gear oil Hypoid gear oil SAE 90 Overall height S 1070mm Gear oil quantity 320cm 3 Overall height L 1197mm Spark plug DPR7EA 9 Weight BMS BWS FWS 51 7Kg 53 7Kg 52 7Kg Spark plug gap 0 8 0 9mm Main performance Items Data Items Data Maximum output 14 7Kw 5500rpm 20HP Tightening torque for engine Spark plug 18 0Nm 11 Kw 5500rpm 15HP Propeller nut 17 0Nm Full throttle operating...

Page 15: ...a well ventilated area refuel portable fuel tanks off the boat Do not overfill the fuel tank Take care not to spill gasoline if gasoline spills wipe it up immediately Tighten the filler cap securely after refueling If you should swallow some gasoline inhale a lot of gasoline vapor or get gasoline in your eye get immediate medical attentions If any gasoline spills onto your skin immediately wash wi...

Page 16: ... an incorrect choice could adversely affect performance The outboard motor is fitted with propellers chosen to perform well over a range of applications but there may be uses where a propeller with a different pitch would be more appropriate Dealers stock a range of propellers and can advise you and install a propeller on your out board that is best suited to your application For a greater boat lo...

Page 17: ...erpowering a boat could cause severe instability Do not install an outboard motor with more horsepower than the maximum rating on the capacity plate of the boat If the boat does not have a capacity plate consult the boat manufacturer Improper mounting of the outboard motor could result in hazardous conditions Your dealer or other person experienced in proper rigging should mount the motor If you a...

Page 18: ...e and thereby reduce engine efficiency Mount the outboard motor so that the anti cavitation plate is between the bottom of the boat and a level 25mm below it 0 1in 0 25mm NOTE The optimum mounting height of the outboard motor is affected by the boat and motor combination and the desired use Test runs at a different height can help determine the optimum mounting height For further information consu...

Page 19: ...f the outboard includes bolting the engine to the boat through the transom WARNING Loose clamp screws could allow the outboard motor to fall off or move on the transom This could cause loss of control Make sure the clamp screws are tightened securely occasionally check the screws for tightness during operation 2 If the engine restraint cable attachment is equipped on your engine an engine restrain...

Page 20: ... moving parts to wear in evenly CAUTION Failure to follow the break in procedure could result in reduced engine life or even severe engine Damage 1 for the first hour of operation Run the engine at 2000 r min or at approximately half throttle 2 for the second hour of operation Run the engine at3000 r min or at approximately three quarter throttle 3 for the next eight hours of operation Avoid conti...

Page 21: ... and steering for proper operation before starting the engine The controls should work smoothly without binding or unusual free play Look for loose or damaged connections Check operation of the starter and stop switches when the outboard motor is in the water CAUTION Do not start the engine out of water Overheating and serious engine damage can occur Check the engine and engine mounting Look for l...

Page 22: ... Upper level mark 3 Lower level mark CAUTION Be sure to completely insert the dipstick into the dipstick guide 2 4 Filling fuel WARNING Gasoline and its vapors are highly flammable and explosive Keep away from sparks cigarettes flames or other sources of ignition 1 Remove the fuel tank cap 2 Carefully fill the fuel tank 3 Securely close the cap after filling the tank Wipe up any spilled fuel 1 1 2...

Page 23: ...ts securely after loosing the air vent screw on the fuel tank cap 2 or 3 turns 2 Connect fuel joints securely and squeeze the primer pump with the outlet end up until you feel it become firm if equipped the fuel joint https www boat manuals com ...

Page 24: ...tch WARNING The engine must be starting in neutral otherwise damage starter and hazard can occur Do not attach the lanyard to clothing that could tear loose Do not route the lanyard where it could become entangled and preventing it from functioning Avoid accidentally pulling the lanyard during normal operation Loss of engine power means the loss of steering control Also without engine power the bo...

Page 25: ... start Turn the main switch to ON Electric start NOTE It is not necessary to use the choke when starting a warm engine If the choke is left in the START start position while the engine is running the engine will run poorly or stall https www boat manuals com ...

Page 26: ...on CAUTION When the engine is cold it needs to be warmed up If the engine does not start on the first try repeat the procedure If the engine fails to start after 4 or 5 tries open the throttle a small amount between 1 8 and 1 4 and try again NOTE Never turn the main switch to START start while the engine is running Do not keep the starter motor turning for more than 5 seconds If the starter motor ...

Page 27: ...s the engine will stall In the temperatures of 5 or less leave the choke knob pulled out fully for approximately 30 seconds after starting 2 Check for steady flow of water from the cooling water pilot hole CAUTION If water is not flowing out of the hole at all times while the engine is running stop the engine and check whether the cooling water inlet on the lower case or the cooling water pilot ho...

Page 28: ...rst close the throttle so that the engine idles or runs at low speeds 2 7 1 Forward 1 Place the throttle grip in the fully closed position 2 Move the gear shift lever quickly and firmly from neutral to forward Pull up the neutral interlock rigger and move the remote control lever quickly and firmly from neutral to forward Remote control https www boat manuals com ...

Page 29: ...oss of control and an accident 1 Place the throttle trip in the fully closed position 2 Move the gear shift lever quickly and firmly from neutral to reverse Check that the tilt lock lever is in the lock position Pull up the neutral interlock rigger and move the remote control lever quickly and firmly from neutral to reverse Remote control https www boat manuals com ...

Page 30: ...eed and clockwise to decrease speed 3 Throttle indicator The throttle indicator is on the throttle grip The fuel consumption curve on the throttle indicator shows the relative amount of fuel consumed for each throttle position Choose the setting that offers the best performance and fuel economy for the desired operation 1 Throttle indicator 1 https www boat manuals com ...

Page 31: ...ence To increase resistance turn the adjuster clockwise To decrease resistance turn the adjuster counterclockwise When constant speed is desired tighten the adjuster to maintain the desired throttle setting WARNING Do not over tighten the friction adjuster If there is too much resistance it could be difficult to move throttle lever or grip which could result in an accident https www boat manuals c...

Page 32: ...igh speed is not recommended 1 Push and hold the engine stop button until the engine comes to a complete stop NOTE If the outboard motor is equipped with an engine stop switch lanyard the engine can also be stopped by pulling the lanyard and removing the lock plate from the engine stop switch 2 Tighten the air vent screw on the fuel tank cap https www boat manuals com ...

Page 33: ...utboard motor trim angle 1 Stop the engine 2 Remove the trim rod from the clamp bracket while slightly tilting the outboard motor up 3 Reposition the rod in the desired hole Make test runs with the trim set to different angles to find the position that works best for your boat and operating conditions https www boat manuals com ...

Page 34: ...rmal bow leaning up the water resistance is reduced and the boat may have a greater stability and efficiency Too much trim out puts the bow of the boat too high in the water It will increase the air and water resistance of the boat body and reduce the efficiency of the outboard Excessive bow up can also cause the boat to hop in the water which could throw the operator and passengers over board Bow...

Page 35: ...corrosion WARNING Be sure all people are clear of the outboard motor when tilting up and down also be careful not to pinch any body parts between the drive unit and engine bracket NOTE Do not tilt up the engine by pushing the tiller handle because this could break the handle The outboard motor cannot be tilted when in reverse 2 10 1 Tilting up 1 Place the gear shift lever in neutral if equipped ht...

Page 36: ...ing friction adjuster by turning it clockwise to prevent the motor from turning freely 3 Disconnect the fuel line from the outboard motor 4 Place the tilt lock lever if equipped in the up position https www boat manuals com ...

Page 37: ...0 2 Tilting down 1 Slightly tilt the outboard motor up 2 Slowly tilt the outboard motor down while place the tilt lock lever in the down position 3 Loose the steering friction adjuster by turning it Counterclockwise and adjust the steering friction according to operator preference https www boat manuals com ...

Page 38: ...lting up the outboard motor Return the outboard motor to its normal position as soon as the boat is back in deeper water CAUTION The cooling water inlet on the lower unit should be not above the surface of the water when setting up for and cruising in shallow water Otherwise severe damage from overheating can result For tilting procedure see section 2 10 2 11 2 Cruising in salt water After operati...

Page 39: ...uch oil Refer to section 2 3 2 If the oil level is proper and the warning device does not switch off consult your dealer If the water temperature rises too high when engine speed is over 2200r min and lasts for over 20 seconds the water temperature warning indicator will light or blink The engine is in protection status and engine speed will be limited until the water temperature returns to the no...

Page 40: ...cessary for you to ensure its performance WARNING Be sure to turn off the engine when you perform maintenance unless otherwise specified If you or the owner is not familiar with machine servicing this work should be done by your dealer or other qualified mechanic CAUTION If replacement parts are necessary use only original parts or parts of the same type and of equivalent strength and materials ht...

Page 41: ...32 3 1 Greasing https www boat manuals com ...

Page 42: ... spark plug measure the electrode gap with a wire thickness gauge adjust the gap to specification if necessary When fitting the plug always clean the gasket surface and use a new gasket Wipe off any dirt from the threads and screw in the spark plug to the correct torque 3 3 Checking the fuel system 1 Check the fuel lines for leaks crack or malfunction If a problem is found your dealer or other qua...

Page 43: ...repaired by a qualified mechanic 2 Check the fuel filter periodically If foreign matter is found in the filter clean it 3 3 1 Cleaning the fuel filter 1 Remove the nut holding the fuel filter assembly if equipped 2 Unscrew the filter cup catching any spilled fuel in a rag https www boat manuals com ...

Page 44: ... Firmly screw the cup onto the filter housing 5 Attach the filter assembly to the bracket so that the fuel hoses are attached to the filter assembly Run the engine and check the filter and lines for leaks 3 4 Inspecting idling speed A diagnostic tachometer should be used for this procedure Results may vary depending on whether testing is conducted with the flushing attachment in a test water tank ...

Page 45: ...void burns Be sure the outboard motor is securely fastened to the transom or a stable stand CAUTION Change the engine oil after the first 10 hours of operation and every 100 hours or at 6 month intervals thereafter Otherwise the engine will wear quickly Change the engine oil when the oil is still warm 1 Put the outboard motor in an upright position not tilted 2 Prepare a suitable container that ho...

Page 46: ...Start the engine and make sure that there are no oil leaks 6 Turn off the engine and wait 3 minutes Recheck the oil level using the dipstick to be sure the level falls between the upper and lower marks CAUTION The oil should be changed more often when the engine is operated under adverse conditions such as extended trolling https www boat manuals com ...

Page 47: ...er WARNING Before inspecting removing or installing the propeller always take actions to ensure the engine will not accidentally starts such as removing the spark plug caps from the spark plugs placing the shift control in neutral and removing the lanyard from the engine stop switch etc Serious accident could occur if the engine starts when you are nearby Do not use your hand to hold the propeller...

Page 48: ...eller nut washer and spacer if equipped 3 Remove the propeller and thrust washer 3 8 2 Installing the propeller CAUTION Be sure to install the thrust washer before instating the propeller otherwise the lower case and propeller boss could be damaged Be sure to use a new cotter pin and bend the ends over securely Otherwise the propeller could come off during operation and be lost 1 Apply a marine gr...

Page 49: ...lt support lever or knob is locked Serious injury could occur if the motor falls 1 Tilt the outboard motor so that the gear oil drain screw is at the lowest point possible 2 Place a suitable container under the gear case 3 Remove gear oil drain screw 1 Gear oil drain screw 2 Oil level plug CAUTION Change the gear oil after the first 10 hours of operation and every 100 hours or at 6 month intervals...

Page 50: ...drain screw If necessary change the seal spacer 3 10 Cleaning fuel tank WARNING Keep away from sparks cigarettes flames or other sources of ignition when cleaning the fuel tank Cleaning the fuel tank in a well ventilated open air 1 Empty the fuel tank into an approved container 2 Pour a small amount of suitable solvent into the tank Install the cap and shake the tank Drain the solvent completely 3...

Page 51: ...onsult your dealer for replacement of external anodes CAUTION Do not paint anodes as this would render them ineffective and can cause more rapid engine corrosion 3 12 Checking top cowling Check the fitting of the top cowling by pushing it with both hands If it is loose have it repaired by your dealer https www boat manuals com ...

Page 52: ... ups which you may carry out by yourself The symbol indicates work to be carried out by your dealer Item Operations Initial Every 10 hours 1 month 50 hours 3 months 100 hours 6 months 200 hours 1 year Anode s external Check replacement Anode s internal Check replacement Cooling water passages Cleaning Cowling clamp Check Fuel filter disposable Check cleaning Fuel system Check Fuel tank portable ta...

Page 53: ...ttle pick up timing Check adjustment Water pump Check Engine oil Check replacement Oil filter Change Spark plug s Cleaning adjustment replacement Timing belt Check replacement Valve clearance Check adjustment NOTE When operating in salt water turbid or muddy water the engine should be flushed with clean water after every use https www boat manuals com ...

Page 54: ...motor could shake loose from the tilt support and fall WARNING Never get under the lower unit while it is tilted even if a motor support bar is used When transporting or storing the outboard motor while removed from a boat keep the outboard motor in the attitude shown CAUTION Place a towel or something similar under the outboard motor to protect it from damage Do not place the outboard motor on it...

Page 55: ...engine oil completely Do not place the outboard motor on its side before the cooling water has drained from it completely Store the outboard motor in a dry well ventilated place not in direct sunlight 1 Wash the outboard motor body using fresh water 2 Disconnect the fuel line and tighten the air vent screw 3 Remove the engine top cowling and silencer cover 4 Install the outboard motor on the test ...

Page 56: ...the engine quickly spray Fogging Oil into the carburetor or the fogging hole of the silencer cover if equipped 9 If Fogging Oil is not available run the engine at a speed higher than idle until the fuel in the fuel system has run out and the engine stops Remove the spark plug s Pour a teaspoonful of clean engine oil into each cylinder Rotate the flywheel several times by hand Replace the spark plu...

Page 57: ...emove the water pipe connector from the water pipe plug 1 Water pipe plug 2 Water pipe connector 2 Connect the water pipe connector to a rubber hose connecting to clean fresh water and turn on the tap 3 Flush the fresh water through the cooling passage for about 15 minutes Turn off the water and remove the water pipe connector 4 Install the water pipe connector onto the water pipe plug after flush...

Page 58: ...control system and all components for damage 3 Whether damage is found or not return to the nearest harbor slowly and carefully 4 Have a dealer inspect the outboard motor before operating it again 5 2 Starter will not operate If the starter mechanism does not operate the engine can be started with an emergency starter rope WARNING Use this procedure only in an emergency and only to return to port ...

Page 59: ...nning Do not touch the ignition coil spark plug wire spark plug cap or other electrical components when starting or operating the motor Procedure is as follows 1 Remove the top cowling 2 Remove the start in gear protection cable and the choke cable 2 1 Belt covers 2 Start in gear protection cable 3 Remove the starter cover after removing the three bolts Disconnect the leads for the warning indicat...

Page 60: ...ted end of the emergency starter rope into the notch in the flywheel rotor and wind the rope several turns around the flywheel clockwise 6 Pull the rope slowly until resistance is felt 7 Give a strong pull straight out to crank and start the engine Repeat it necessary https www boat manuals com ...

Page 61: ...nward to allow any mud or contaminants to drain 3 Drain the fuel from the carburetor fuel filter and fuel line Drain the engine oil completely 4 Fill the sump with fresh engine oil 5 Feed engine fogging oil or engine oil through the carburetor s and spark plug holes while starting the engine 6 Take the outboard motor to a PARSUN dealer as soon as possible CAUTION Do not attempt to run the outboard...

Page 62: ...ced by your dealer Spark plug s fouled or of incorrect type Inspect spark plug s Clean or replace with recommended type Spark plug cap s fitted incorrectly Check and re fit cap s Ignition wiring damaged or poorly connected Check wires for wear or breaks Tighten all loose connections Replace worn or broken wires Ignition parts are faulty Have serviced by your dealer Engine stop switch lanyard is no...

Page 63: ...ll loose connections Replace worn or broken wires Specified engine oil is not being used Check and replace oil as specified Thermostat is faulty or clogged Have serviced by your dealer Carburetor adjustments are incorrect Have serviced by your dealer Carburetor is clogged Have serviced by your dealer Fuel pump is damaged Have serviced by your dealer Air vent screw on fuel tank is closed Open air v...

Page 64: ...re fouled or incorrect type Inspect spark plug s Clean or replace with recommended type Fuel system is obstructed Check for pinched or kinked fuel line or other obstructions in fuel system Fuel filter is clogged Clean or replace with recommended type Fuel is contaminated or stale Fill tank with clean fresh fuel Spark plug gap is incorrect Inspect and adjust as specified Ignition wiring is damaged ...

Page 65: ...correct Connect correctly Specified spark plug s are not being used Check and replace spark plug s as specified Engine vibrates excessively Propeller is damaged Repair or replace propeller Propeller shaft is damaged Have serviced by your dealer Weeds or other foreign matter are tangled on propeller Remove and clean propeller Motor mounting bolt is loose Tighten bolt Steering pivot is loose Tighten...

Page 66: ...2 5 2 3 4 11 8 7 1 C D I unit 2 Charge coil 3 Magneto coil 4 Lighting coil 5 Impulse coil 6 Solenoid valve 7 Ignition coil 8 Spark plug 9 Temperature switch 10 Oil pressure switch 11 Engine stop switch 12 Warning lamp https www boat manuals com ...

Page 67: ...58 F15A F20ABW 7 9 10 8 6 12 14 15 1 19 5 2 3 4 23 C 22 21 11 13 20 16 17 18 https www boat manuals com ...

Page 68: ...y 12 Ignition coil 13 Spark plug 14 Temperature switch 15 Oil pressure switch 16 Neutral switch 17 Engine start switch 18 Engine stop switch 19 Warning lamp 20 Trim tilt motor For electric tilt model 21 Wiring terminal For electric tilt model 22 Trim tilt relay For electric tilt model 23 Trim tilt switch For electric tilt model https www boat manuals com ...

Page 69: ...60 F15A F20AFW 7 9 10 8 6 12 14 15 1 16 5 4 20 C C 19 18 17 11 13 2 2 3 https www boat manuals com ...

Page 70: ...otor 10 Starter relay 11 Battery 12 Ignition coil 13 Spark plug 14 Temperature switch 15 Oil pressure switch 16 Warning lamp 17 Trim tilt motor For electric tilt model 18 Wiring terminal For electric tilt model 19 Trim tilt relay For electric tilt model 20 Trim tilt switch For electric tilt model https www boat manuals com ...

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