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PERIODIC MAINTENANCE AND ADJUSTMENT

 

6-22

 

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2

3

4

5

6

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8

9

 

sorber by installing the mounting
bolt.

6. While applying the rear brake,

tighten the axle nut to the specified
torque.

7. Tighten the rear arm nuts and rear

shock absorber mounting bolt to
the specified torques.

8. Install the exhaust chamber and

then install the exhaust manifold
bolts.

9. Install the washers and exhaust

chamber bolt.

10. Tighten the exhaust manifold bolts

and exhaust chamber bolt to the
specified torques.

11. Install the muffler by sliding the

spring clamp up to its original posi-
tion, and then installing the wash-
ers and muffler bolt.

TIP

 

Make sure that the spring clamp is po-
sitioned with the projection side facing

 

inward.

12. Tighten the muffler bolt to the

specified torque.

13. Adjust the brake lever free play.

(See page 6-14.)

14. Install the seat.

 

Tightening torques:

 

Axle nut:

60 Nm (6.0 m·kgf, 43.4 ft·lbf)

Rear arm nut:

28.5 Nm (2.9 m·kgf, 20.6 ft·lbf)

Rear shock absorber mounting bolt:

22.5 Nm (2.3 m·kgf, 16.3 ft·lbf)

 

Tightening torques:

 

Exhaust manifold bolt:

8.5 Nm (0.9 m·kgf, 6.1 ft·lbf)

Exhaust chamber bolt:

17.5 Nm (1.8 m·kgf, 12.7 ft·lbf)

 

1. Exhaust chamber
2. Spring clamp
3. Muffler

 

Tightening torque:

 

Muffler bolt:

17.5 Nm (1.8 m·kgf, 12.7 ft·lbf)

1

2

3

Summary of Contents for PW50 2008

Page 1: ...IENUNGSANLEITUNG Read this manual carefully before operating this vehicle Il convient de lire attentivement ce manuel avant la pre mi re utilisation du v hicule Bitte lesen Sie diese Bedienungsanleitu...

Page 2: ...2008 4 1 4 1 E F G PRINTED ON RECYCLED PAPER AUF RECYCLINGPAPIER GEDRUCKT IMPRIM SUR PAPIER RECYCL YAMAHA MOTOR CO LTD PRINTED IN JAPAN 2008 4 1 4 1 E F G PRINTED ON RECYCLED PAPER AUF RECYCLINGPAPIE...

Page 3: ...5PG 28199 88 E0 PW50 Y OWNER S MANUAL Read this manual carefully before operating this vehicle...

Page 4: ...and to the other relevant Directives of EEC 89 336 EEC or 2004 108 EC Title and or number and date of issue of the other Directives of EEC If applicable To effect correct application of the essential...

Page 5: ...ined within this manual Yamaha continually seeks advancements in product design and quality Therefore while this manual contains the most cur rent product information available at the time of printing...

Page 6: ...crease maximum speed as the beginner becomes more familiar with operating the motorcycle Parents should decide when to adjust the motorcycle for more power as their youngster s riding skills improve O...

Page 7: ...ersonal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death A WARNING indicates a hazardous situation which if not avoided could result in death or seriou...

Page 8: ...AU10200 PW50 Y OWNER S MANUAL 2008 by Yamaha Motor Co Ltd 1st edition March 2008 All rights reserved Any reprinting or unauthorized use without the written permission of Yamaha Motor Co Ltd is express...

Page 9: ...ntenance and lubrication chart 6 3 Checking the spark plug 6 5 Removing the power reduction plate 6 6 Transmission oil 6 7 Middle and final gear cases 6 8 Cleaning the air filter element 6 8 Cleaning...

Page 10: ...s roads or highways even a dirt or gravel one Off road use on public lands may be illegal Please check local regulations before riding This motorcycle is designed to car ry the operator only No passen...

Page 11: ...nd feet The engine or exhaust sys tem become very hot during or af ter operation and can cause burns Avoid Carbon Monoxide Poisoning All engine exhaust contains carbon monoxide a deadly gas Breathing...

Page 12: ...ts and acces sories or offer other modifications for Yamaha vehicles Yamaha is not in a position to test the products that these aftermarket companies produce Therefore Yamaha can neither en dorse nor...

Page 13: ...the opera tor and may limit control ability therefore such accessories are not recommended Use caution when adding electri cal accessories If electrical acces sories exceed the capacity of the motorcy...

Page 14: ...2 1 1 2 3 4 5 6 7 8 9 DESCRIPTION EAU10410 Left view 1 2 3 4 5 1 Fuel cock page 3 6 2 Throttle stop screw page 6 10 3 Air filter element page 6 8 4 Kickstarter page 3 7 5 Centerstand page 6 17...

Page 15: ...DESCRIPTION 2 2 2 3 4 5 6 7 8 9 EAU10420 Right view 3 1 2 4 1 Spark arrester page 6 9 2 Seat page 3 7 3 Transmission oil filler cap page 6 7 4 2 stroke engine oil tank page 3 5...

Page 16: ...rols and instruments 1 2 7 3 4 5 6 1 Rear brake lever page 3 3 2 Starter choke lever page 3 6 3 2 stroke engine oil tank cap page 3 5 4 Right handlebar switch page 3 1 5 Front brake lever page 3 2 6 T...

Page 17: ...tion EAU41041 Speed limiter and power reduction plate Your motorcycle was delivered with an adjustable speed limiter and a power reduction plate The speed limiter keeps the throttle from fully opening...

Page 18: ...u could lose control have an accident or be injured Do not turn the adjusting screw out more than 7 mm 0 28 in before con sulting a Yamaha dealer Always make sure the throttle cable free play is adjus...

Page 19: ...e tank WARNING EWA10881 Gasoline and gasoline vapors are extremely flammable To avoid fires and explosions and to reduce the risk of injury when refueling follow these instructions 1 Before refueling...

Page 20: ...ne has been de signed to use regular unleaded gaso line with a pump octane number R M 2 of 86 or higher or a research octane number of 91 or higher If knocking or pinging occurs use a gasoline of a di...

Page 21: ...ose Before operating the motorcycle Check the fuel tank breather hose connection Check the fuel tank breather hose for cracks or damage and replace it if damaged Make sure that the fuel tank breather...

Page 22: ...when the engine is not running O on With the lever in this position fuel flows to the carburetor Normal riding is done with the lever in this position EAU13590 Starter choke lever Starting a cold engi...

Page 23: ...920 Seat To remove the seat 1 Remove the mudguard by remov ing the bolts and washers 2 Pull the seat off To install the seat 1 Insert the projection on the front of the seat into the seat holder as sh...

Page 24: ...procedures and schedules described in the Owner s Manual WARNING EWA11151 Failure to inspect or maintain the vehicle properly increases the possibility of an accident or equipment damage Do not operat...

Page 25: ...f necessary 6 14 6 15 Rear brake Check operation Lubricate cable if necessary Check lever free play Adjust if necessary 6 14 6 15 Throttle grip Make sure that operation is smooth Check cable free play...

Page 26: ...SAFETY PRE OPERATION CHECKS 4 3 1 2 3 4 5 6 7 8 9 Chassis fasteners Make sure that all nuts bolts and screws are properly tightened Tighten if necessary Engine stop switch Check operation 3 1 ITEM CHE...

Page 27: ...ear brake start the engine by pushing the kickstarter lever down 5 After starting the engine move the starter choke back halfway NOTICE For maximum engine life always warm the engine up before startin...

Page 28: ...deceleration The speed can be adjusted by opening and closing the throttle To increase the speed turn the throttle grip in direction a To reduce the speed turn the throt tle grip in direction b EAU410...

Page 29: ...ition that might result in engine overheating must be avoided However momentary full throttle operation under load i e two to three seconds maximum does not harm the engine Each full throttle accelera...

Page 30: ...ING EWA10311 Since the engine and exhaust system can become very hot park in a place where pedestri ans or children are not likely to touch them and be burned Do not park on a slope or on soft ground...

Page 31: ...NG EWA15121 Turn off the engine when performing maintenance unless otherwise specified A running engine has moving parts that can catch on body parts or clothing and electrical parts that can cause sh...

Page 32: ...kills NO ITEM CHECK OR MAINTENANCE JOB INITIAL THEREAFTER EVERY 1 month 3 months 6 months 6 months 12 months 1 Fuel line Check fuel hoses for cracks or damage Replace if necessary 2 Spark plug Check c...

Page 33: ...eck runout and for damage Replace if necessary 4 Tires Check tread depth and for damage Replace if necessary Check air pressure Correct if necessary 5 Wheel bearings Check bearings for smooth operatio...

Page 34: ...rease lightly 12 Centerstand pivot Check operation Apply lithium soap based grease lightly 13 Shock absorber assemblies Check operation and for oil leakage Replace if necessary 14 Control cable Apply...

Page 35: ...ck that the porcelain insulator around the center electrode of the spark plug is a medium to light tan the ideal color when the vehicle is ridden normally TIP If the spark plug shows a distinctly dif...

Page 36: ...he power reduction plate To obtain full engine performance ca pability removing the power reduction plate is required 1 Remove the exhaust manifold by removing the bolts WARNING Always let the exhaust...

Page 37: ...amount of the recommended transmission oil and then install and tighten the oil filler cap NOTICE ECA10452 In order to prevent clutch slip page since the transmission oil also lubricates the clutch do...

Page 38: ...air filter element The air filter element should be cleaned at the intervals specified in the periodic maintenance and lubrication chart Clean the air filter element more fre quently if you are ridin...

Page 39: ...e cleaned at the intervals specified in the periodic maintenance and lubrication chart WARNING EWA10980 Always let the exhaust system cool prior to touching exhaust components Do not start the engine...

Page 40: ...ory Changing these settings without sufficient technical knowl edge may result in poor perfor mance of or damage to the engine EAU21362 Adjusting the engine idling speed The engine idling speed must b...

Page 41: ...safe operation of your motorcy cle note the following points regarding the specified tires Tire air pressure The tire air pressure should be checked and if necessary adjusted before each ride WARNING...

Page 42: ...approved for this model by Yamaha Motor Co Ltd WARNING EWA14390 Have a Yamaha dealer replace excessively worn tires Operat ing the motorcycle with exces sively worn tires decreases riding stability an...

Page 43: ...uld be checked for cracks bends warpage or damage before each ride If any damage is found have a Yamaha dealer replace the wheel Do not attempt even the smallest repair to the wheel A deformed or crac...

Page 44: ...lever free play turn the adjusting nut at the brake shoe plate in direction a To decrease the brake lever free play turn the adjusting nut in direction b Front Rear WARNING EWA10650 If proper adjustm...

Page 45: ...aler replace the brake shoes as a set TIP Be sure to measure the brake lining at the thinnest portion EAU41842 Checking and lubricating the cables The operation of all control cables and the condition...

Page 46: ...e chart EAU23120 Adjusting the Autolube pump The Autolube pump is a vital and so phisticated component of the engine which must be adjusted by a Yamaha dealer at the intervals specified in the periodi...

Page 47: ...ndition and operation of the front fork must be checked as follows at the intervals specified in the periodic main tenance and lubrication chart To check the condition Check the inner tubes for scratc...

Page 48: ...ee play can be felt have a Yamaha dealer check or repair the steering EAU23290 Checking the wheel bearings The front and rear wheel bearings must be checked at the intervals specified in the periodic...

Page 49: ...fork leg 3 Insert the wheel axle from the right side 4 Install the washer and axle nut and then tighten the axle nut to the specified torque 5 Connect the brake cable at the wheel hub and then install...

Page 50: ...y support the vehicle so there is no danger of it falling over 1 Place the motorcycle on the cen terstand 2 Remove the seat See page 3 7 3 Remove the muffler bolt and washers WARNING Always let the ex...

Page 51: ...y removing the nuts and washers 10 Pull the wheel to the right to sepa rate it from the final gear case and then remove the wheel EAU41521 To install the rear wheel 1 Apply a light coating of lithi um...

Page 52: ...ing the spring clamp up to its original posi tion and then installing the wash ers and muffler bolt TIP Make sure that the spring clamp is po sitioned with the projection side facing inward 12 Tighten...

Page 53: ...However should your motorcycle require any repair take it to a Yamaha dealer whose skilled technicians have the necessary tools experience and know how to service the motorcycle properly Use only genu...

Page 54: ...s no compression Check the ignition Have a Yamaha dealer check the vehicle Remove the spark plug and check the electrodes 3 Ignition Wet Dry Wipe off with a dry cloth and correct the spark plug gap or...

Page 55: ...e Before cleaning 1 Cover the muffler outlet with a plastic bag after the engine has cooled down 2 Make sure that all caps and covers as well as all electrical couplers and connectors including the sp...

Page 56: ...leaning After riding in the rain or near the sea Since sea salt is extremely corrosive carry out the following steps after each ride in the rain or near the sea 1 Clean the motorcycle with cold wa ter...

Page 57: ...stored Long term Before storing your motorcycle for sev eral months 1 Follow all the instructions in the Care section of this chapter 2 For motorcycles equipped with a fuel cock that has an S stop po...

Page 58: ...the pivoting points of all levers and pedals as well as of the center stand 7 Check and if necessary correct the tire air pressure and then lift the motorcycle so that both of its wheels are off the...

Page 59: ...splacement 49 0 cm3 Bore stroke 40 0 39 2 mm 1 57 1 54 in Compression ratio 6 00 1 Starting system Kickstarter Lubrication system Separate lubrication Yamaha autolube Engine oil Type YAMALUBE 2 or 2 s...

Page 60: ...l IRC KNOBBY Loading Maximum rider weight 25 0 kg 55 lb Total weight of rider cargo and accessories Tire air pressure measured on cold tires Front 100 kPa 1 00 kgf cm2 15 psi Rear 100 kPa 1 00 kgf cm2...

Page 61: ...ion number The vehicle identification number is stamped into the steering head pipe Record this number in the space pro vided TIP The vehicle identification number is used to identify your motorcycle...

Page 62: ...K Kickstarter 3 7 M Maintenance and lubrication periodic 6 3 Maintenance emission control system 6 2 Matte color caution 7 1 Middle and final gear cases 6 8 Model label 9 1 P Parking 5 4 Part locatio...

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Page 66: ...YAMAHA MOTOR CO LTD PRINTED ON RECYCLED PAPER PRINTED IN JAPAN 2008 4 1 4 1 E...

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