Yamaha 2C Owner'S Manual Download

Page: 1 / 54

Read this manual carefully before operating this

outboard motor.

OWNER’S MANUAL

6A1-28199-2R-E0

U6A12RE0.book Page 1 Friday, February 27, 2009 10:26 AM

Summary of Contents for 2C

Page 1: ...Read this manual carefully before operating this outboard motor OWNER S MANUAL 2C 6A1 28199 2R E0 U6A12RE0 book Page 1 Friday February 27 2009 10 26 AM ...

Page 2: ...arefully before operating this outboard motor Keep this manual onboard in a waterproof bag when boating This manual should stay with the outboard motor if it is sold U6A12RE0 book Page 1 Friday February 27 2009 10 26 AM ...

Page 3: ...minor discrepancies between your machine and this manual If there is any question concerning this manual please con sult your Yamaha dealer To ensure long product life Yamaha recom mends that you use the product and perform the specified periodic inspections and mainte nance by correctly following the instructions in the owner s manual Any damage resulting from neglect of these instructions is not...

Page 4: ...dy or acidic water 10 Anti fouling paint 10 Motor disposal requirements 10 Emergency equipment 10 Components 11 Components diagram 11 Fuel tank 11 Fuel tank cap 12 Air vent screw 12 Fuel cock 12 Tiller handle 12 Throttle lever 13 Throttle friction adjuster 13 Engine shut off cord lanyard and clip 13 Engine stop button 13 Choke knob 14 Manual starter handle 14 Steering friction adjuster 14 Trim rod...

Page 5: ... models 31 Storing outboard motor 31 Procedure 32 Lubrication 33 Cleaning the outboard motor 33 Checking painted surface of motor 33 Periodic maintenance 33 Replacement parts 33 Severe operating conditions 33 Maintenance chart 1 34 Maintenance chart 2 35 Greasing 36 Cleaning and adjusting spark plug 37 Inspecting idling speed 37 Checking wiring and connectors 38 Checking propeller 38 Removing prop...

Page 6: ...way under power and leaving peo ple stranded or running over people or ob jects Always attach the engine shut off cord to a secure place on your clothing or your arm or leg while operating Do not remove it to leave the helm while the boat is moving Do not at tach the cord to clothing that could tear loose or route the cord where it could become en tangled preventing it from functioning Do not rout...

Page 7: ... in neutral Stop the engine when a person is in the water near you EMU33751 Passengers Consult your boat manufacturer s instructions for details about appropriate passenger loca tions in your boat and be sure all passengers are positioned properly before accelerating and when operating above an idle speed Standing or sitting in non designated loca tions may result in being thrown either over board...

Page 8: ...ttle and turn in anoth er direction EMU33790 Weather Stay informed about the weather Check weather forecasts before boating Avoid boat ing in hazardous weather EMU33880 Passenger training Make sure at least one other passenger is trained to operate the boat in the event of an emergency EMU33890 Boating safety publications Be informed about boating safety Additional publications and information can...

Page 9: ...board motor serial number in the spaces provided to assist you in ordering spare parts from your Yamaha dealer or for reference in case your outboard motor is sto len EMU25213 C Tick label Engines affixed with this label conform to cer tain portion s of the Australian Radio Com munications Act 1 Outboard motor serial number location 1 C Tick label location ZMU01697 U6A12RE0 book Page 4 Friday Febr...

Page 10: ...anuals supplied with the boat Read all labels on the outboard motor and the boat If you need any additional information contact your Yamaha dealer EMU33831 Warning labels If these labels are damaged or missing contact your Yamaha dealer for replacements 2C ZMU06031 2 1 3 U6A12RE0 book Page 5 Friday February 27 2009 10 26 AM ...

Page 11: ...rew when not in use 2 WARNING EWM01681 Keep hands hair and clothing away from rotating parts while the engine is running Do not touch or remove electrical parts when starting or during operation 3 WARNING EWM01711 Read Owner s Manuals and labels Wear an approved personal flotation de vice PFD Ensure shift control is in neutral before starting engine ZMU05810 1 2 3 U6A12RE0 book Page 6 Friday Febru...

Page 12: ...132 Symbols The following symbols mean as follows Notice Warning Read Owner s Manual Hazard caused by continuous rotation Electrical hazard ZMU05696 ZMU05664 ZMU05665 ZMU05666 U6A12RE0 book Page 7 Friday February 27 2009 10 26 AM ...

Page 13: ...tion system CDI Spark plug NGK BR7HS Spark plug gap 0 6 0 7 mm 0 024 0 028 in Control system Tiller Starting system Manual Starting carburetion system Choke valve Drive unit Gear positions Forward Gear ratio 2 08 27 13 Trim and tilt system Manual tilt Propeller mark A Fuel and oil Recommended fuel Regular unleaded gasoline Fuel tank capacity built in type 1 2 L 0 32 US gal 0 26 Imp gal Recommended...

Page 14: ... range of applications but there may be uses where a different propeller would be more appropri ate Your Yamaha dealer can help you select the right propeller for your boating needs Select a propeller that will allow the engine to reach the middle or upper half of the operating range at full throttle with the maximum boat load Generally chose a larger pitch propeller for a smaller operating load a...

Page 15: ...tall the optional chromium plat ed water pump kit if you use the outboard mo tor in muddy or acidic water conditions However depending on the model it might not be required EMU36330 Anti fouling paint A clean hull improves boat performance The boat bottom should be kept as clean of marine growth as possible If necessary the boat bot tom can be coated with an anti fouling paint approved for your ar...

Page 16: ...functions are as follows 1 Air vent screw 2 Fuel tank cap 3 Top cowling 4 Anti cavitation plate 5 Propeller 6 Cooling water inlet 7 Clamp bracket 8 Clamp screw 9 Tiller handle 10 Fuel cock 11 Manual starter handle 12 Choke knob 13 Engine stop button Engine shut off switch 14 Trim rod 15 Restraint cable attachment 16 Tilt support knob 17 Throttle lever U6A12RE0 book Page 11 Friday February 27 2009 ...

Page 17: ... the engine EMU25881 Close To stop fuel flow to the engine turn the lever or knob to close position Always turn the lever or knob to close position when the engine is not running EMU25891 Open With the lever knob in this position fuel flows to the carburetor Normal running is done with the lever knob in this position EMU25911 Tiller handle To change direction move the tiller handle to the left or ...

Page 18: ...r s clothing or arm or leg Should the operator fall overboard or leave the helm the cord will pull out the clip stopping ignition to the engine This will prevent the boat from running away under power WARNING At tach the engine shut off cord to a secure place on your clothing or your arm or leg while operating Do not attach the cord to clothing that could tear loose Do not route the cord where it ...

Page 19: ...is tance to the steering mechanism and can be set according to operator preference An ad justing screw or bolt is located on the swivel bracket To increase resistance turn the adjuster clockwise To decrease resistance turn the adjuster counterclockwise WARNING EWM00040 Do not overtighten the friction adjuster If there is too much resistance it could be difficult to steer which could result in an a...

Page 20: ...cket NOTICE ECM00660 Do not use the tilt support lever or knob when trailering the boat The outboard mo tor could shake loose from the tilt support and fall If the motor cannot be trailered in the normal running position use an addi tional support device to secure it in the tilt position U6A12RE0 book Page 15 Friday February 27 2009 10 26 AM ...

Page 21: ...on experienced in proper outboard motor mounting should show you how to mount your out board motor The outboard motor should be mounted so that the boat is well balanced Otherwise the boat could be hard to steer For single engine boats mount the outboard motor on the cen terline keel line of the boat EMU26923 Mounting height To run your boat at optimum efficiency the water resistance drag of the b...

Page 22: ...ard motor see page 26 EMU26972 Clamping the outboard motor 1 Place the outboard motor on the transom so that it is positioned as close to the cen ter as possible Tighten the transom clamp screws evenly and securely Oc casionally check the clamp screws for tightness during operation of the out board motor because they could become loose due to engine vibration WARNING Loose clamp screws could allow...

Page 23: ...used they must be of at least the same quality of material and strength and must be tightened se curely After tightening test run the engine and check their tightness EWM00651 U6A12RE0 book Page 18 Friday February 27 2009 10 26 AM ...

Page 24: ...ree quarter throttle approximately 4000 r min Vary engine speed occasionally Run at full throttle for one minute then allow about 10 minutes of operation at three quarter throttle or less to let the engine cool 4 Remaining seven hours Run the engine at any speed However avoid operating at full throttle for more than 5 minutes at a time 5 After the first 10 hours Operate the engine normally Use the...

Page 25: ...lly open position Make sure that it operates smoothly and that it com pletely returns to the fully closed position EMU36481 Engine shut off cord lanyard Inspect the engine shut off cord for damage such as cuts breaks and wear EMU27120 Oil Check to be sure you have plenty of oil for your trip EMU27141 Engine Check the engine and engine mounting Look for loose or damaged fasteners Check the propelle...

Page 26: ... 1 NOTICE ECM00811 Avoid using any oil other than the spec ified type Use a thoroughly blended fuel oil mix ture If the mixture is not thoroughly mixed or if the mixing ratio is incorrect the fol lowing problems could occur Low oil ratio Lack of oil could cause ma jor engine trouble such as piston sei zure High oil ratio Too much oil could cause fouled spark plugs smoky exhaust and heavy carbon de...

Page 27: ...ure there are no swimmers in the water near you When the air vent screw is loosened gasoline vapor will be released Gaso line is highly flammable and its vapors are flammable and explosive Refrain from smoking and keep away from open flames and sparks while loosening the air vent screw This product emits exhaust gases which contain carbon monoxide a colorless odorless gas which could cause brain d...

Page 28: ...e cord dur ing normal operation Loss of engine power means the loss of most steering control Also without engine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward 1 If the engine shut off cord is equipped at tach it to a secure place on your clothing or your arm or leg Then install the clip on the other end of the cord into the engine shut off s...

Page 29: ...fails to start after 4 or 5 tries open the throttle a small amount between 1 8 and 1 4 and try again Also if the engine is warm and fails to start open the throttle a same amount and try to start the engine again If the engine still fails to start see page 42 EMU36510 Checks after starting engine EMU36520 Cooling water Check for a steady flow of water from the cool ing water pilot hole A continuou...

Page 30: ...engine shut off switch EMU27740 Shifting WARNING EWM00180 Before shifting make sure there are no swimmers or obstacles in the water near you NOTICE ECM00220 To change the boat direction or shifting position from forward to reverse or vice versa first close the throttle so that the en gine idles or runs at low speeds EMU27750 Forward When the engine is started the propeller turns and the boat begin...

Page 31: ...board motor WARNING EWM00740 Excessive trim for the operating condi tions either trim up or trim down can cause boat instability and can make steer ing the boat more difficult This increases the possibility of an accident If the boat begins to feel unstable or is hard to steer slow down and or readjust the trim angle The trim angle of the outboard motor helps determine the position of the bow of t...

Page 32: ...rod Use caution when trying a trim position for the first time Increase speed gradu ally and watch for any signs of instability or control problems Improper trim an gle can cause loss of control TIP The outboard motor trim angle can be changed approximately 4 degrees by shifting the trim rod one hole EMU27911 Adjusting boat trim When the boat is on plane a bow up attitude results in less drag grea...

Page 33: ...ing opera tion difficult and dangerous TIP Depending on the type of boat the outboard motor trim angle may have little effect on the trim of the boat when operating EMU27922 Tilting up and down If the engine will be stopped for some time or if the boat is moored in shallows the outboard motor should be tilted up to protect the propel ler and lower casing from damage by collision with obstructions ...

Page 34: ... the top cowling or the carrying handle if equipped with one hand and tilt the outboard motor up fully until the tilt support bar automatically locks 6 Tilt support knob equipped models Hold the rear of the top cowling with one hand fully tilt the outboard motor up and push the tilt support knob into the clamp brack et 7 Tilt support lever equipped models Hold the carrying handle and tilt the engi...

Page 35: ...er operating in salt water flush the cooling water passages with fresh water to prevent them from becoming clogged Also rinse the outside of the outboard motor with fresh wa ter Cruising in muddy turbid or acidic water Yamaha strongly recommends that you use the optional chromium plated water pump kit see page 10 if you use the outboard motor in acidic water or water with a lot of sediment in it s...

Page 36: ...l support device to secure it in the tilt position The outboard motor should be trailered and stored in the normal running position If there is insufficient road clearance in this position then trailer the outboard motor in the tilt posi tion using a motor support device such as a transom saver bar Consult your Yamaha dealer for further details EMU28236 Clamp screw mounting models When transportin...

Page 37: ...gine damage due to rust Perform the flushing and fog ging at the same time WARNING Do not touch or remove electrical parts when starting or during operation Keep hands hair and clothes away from the flywheel and other rotating parts while the engine is running EWM00091 7 Run the engine at a fast idle for a few minutes in neutral position 8 Just prior to turning off the engine quickly spray Fogging...

Page 38: ... mechanical skills tools and supplies If you do not have the proper skills tools or supplies to perform a maintenance procedure have a Yamaha dealer or other qualified mechan ic do the work The procedures involve disassembling the motor and exposing dangerous parts To reduce the risk of injury from moving hot or electrical parts Turn off the engine and keep engine shut off cord lanyard with you wh...

Page 39: ...the engine under adverse conditions such as extended trolling Disassembly or repairs may be necessary depending on the outcome of maintenance checks Expendable or consumable parts and lubricants will lose their effectiveness over time and through normal usage regardless of the warranty period When operating in salt water muddy other turbid cloudy acidic water the engine should be flushed with clea...

Page 40: ...ction or replace ment as necessary Water from the cooling water pilot hole Inspection Throttle link throttle ca ble throttle pick up tim ing Inspection adjustment or replacement as nec essary Thermostat Inspection or replace ment as necessary Water inlet Inspection Main switch stop switch choke switch Inspection or replace ment as necessary Wire harness connec tions wire coupler con nections Inspe...

Page 41: ...Maintenance 36 EMU28941 Greasing Yamaha grease A water resistant grease Yamaha grease D corrosion resistant grease for propeller shaft 2C U6A12RE0 book Page 36 Friday February 27 2009 10 26 AM ...

Page 42: ...d lead to explo sion or fire EWM00561 3 Be sure to use the specified spark plug otherwise the engine may not operate properly Before fitting the spark plug measure the electrode gap with a wire thickness gauge replace it if out of spec ification 4 When fitting the plug wipe off any dirt from the threads and then screw it in to the correct torque TIP If a torque wrench is not available when you are...

Page 43: ...r WARNING EWM01881 You could be seriously injured if the en gine accidentally starts when you are near the propeller Before inspecting remov ing or installing the propeller place the shift control in neutral turn the main switch to off and remove the key and remove the clip from the engine shut off switch Turn off the battery cut off switch if your boat has one Do not use your hand to hold the pro...

Page 44: ...tter pin installed Otherwise the pro peller can come off during operation ECM01890 TIP There is a holder on the steering handle for spare shear and cotter pins Be sure to re place a pin in the holder if one is used EMU29287 Changing gear oil WARNING EWM00800 Be sure the outboard motor is securely fastened to the transom or a stable stand You could be severely injured if the outboard motor falls on...

Page 45: ... of the oil level plug hole insert and tighten the oil level plug 7 Put a new gasket on the gear oil drain screw Insert and tighten the gear oil drain screw EMU29312 Inspecting and replacing anode s Yamaha outboard motors are protected from corrosion by sacrificial anodes Inspect the external anodes periodically Remove scales from the surfaces of the anodes Consult a Yamaha dealer for replacement ...

Page 46: ...Maintenance 41 U6A12RE0 book Page 41 Friday February 27 2009 10 26 AM ...

Page 47: ...hift lever in gear A Shift to neutral Engine will not start starter operates Q Is fuel tank empty A Fill tank with clean fresh fuel Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is fuel filter clogged A Clean or replace filter Q Is starting procedure incorrect A See page 23 Q Has fuel pump malfunctioned A Have serviced by a Yamaha dealer Q Are spark plug s fouled or of incorr...

Page 48: ...screw on fuel tank closed A Open air vent screw Q Is choke knob pulled out A Return to home position Q Is motor angle too high A Return to normal operating position Q Is carburetor clogged A Have serviced by a Yamaha dealer Q Is fuel joint connection incorrect A Connect correctly Q Is throttle valve adjustment incorrect A Have serviced by a Yamaha dealer Q Is battery cable disconnected A Connect s...

Page 49: ...th recommended type Q Are weeds or other foreign matter tangled on gear housing A Remove foreign matter and clean lower unit Q Is fuel system obstructed A Check for pinched or kinked fuel line or oth er obstructions in fuel system Q Is fuel filter clogged A Clean or replace filter Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is spark plug gap incorrect A Inspect and adjust a...

Page 50: ...tor unsafe to operate If the outboard motor hits an object in the wa ter follow the procedure below 1 Stop the engine immediately 2 Inspect the control system and all compo nents for damage Also inspect the boat for damage 3 Whether damage is found or not return to the nearest harbor slowly and careful ly 4 Have a Yamaha dealer inspect the out board motor before operating it again EMU31311 Starter...

Page 51: ...lug wire spark plug cap or other electrical components when starting or operating the motor You could get an electrical shock Do not move the throttle lever above the start position when starting the engine Because the propeller rotates whenever the engine is running the boat could un expectedly start to move which could result in an accident EMU29550 Emergency starting engine 1 Remove the spark p...

Page 52: ...atment of submerged motor If the outboard motor is submerged immedi ately take it to a Yamaha dealer Otherwise some corrosion may begin almost immediate ly NOTICE Do not attempt to run the out board motor until it has been completely inspected ECM00401 U6A12RE0 book Page 47 Friday February 27 2009 10 26 AM ...

Page 53: ...U6A12RE0 book Page 48 Friday February 27 2009 10 26 AM ...

Page 54: ...YAMAHA MOTOR CO LTD Printed on recycled paper Printed in Japan April 2009 0 1 1 CR U6A12RE0 book Page 1 Friday February 27 2009 10 26 AM ...

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