TABLE OF CONTENTS
LOCATION OF IMPORTANT
LABELS ............................................1-1
SAFETY INFORMATION .................. 2-1
DESCRIPTION .................................. 3-1
Left view .......................................... 3-1
Right view ........................................ 3-2
Controls and instruments ................3-3
INSTRUMENT AND CONTROL
FUNCTIONS ....................................... 4-1
Handlebar switch ............................ 4-1
Speed limiter and power reduction plate ............................................4-1
Front brake lever ............................ 4-2
Rear brake lever ............................. 4-3
Fuel tank cap .................................. 4-3
Fuel ................................................ 4-3
Fuel tank breather hose ................. 4-5
2-stroke engine oil ..........................4-6
Fuel cock ........................................ 4-6
Starter (choke) lever ....................... 4-7
Kickstarter ......................................4-7
Seat ................................................ 4-7
Cable lock (for Europe) .................. 4-8 FOR YOUR SAFETY –
PRE-OPERATION CHECKS
............. 5-1
OPERATION AND IMPORTANT
RIDING POINTS ................................ 6-1
Starting and warming up a cold engine .............................. 6-1
Starting a warm engine .................. 6-1
Starting off ..................................... 6-2
Acceleration and deceleration ....... 6-2
Braking ........................................... 6-2
Engine break-in .............................. 6-3
Parking ........................................... 6-4
PERIODIC MAINTENANCE AND
ADJUSTMENT ................................... 7-1
Owner’s tool kit .............................. 7-2
Periodic maintenance chart for
the emission control system ....... 7-3
General maintenance and
lubrication chart .......................... 7-4
Checking the spark plug ................ 7-6
Removing the power reduction plate ............................................ 7-7
Transmission oil ............................. 7-8
Middle and final gear cases ........... 7-9
Cleaning the air filter element ........ 7-9
Cleaning the spark arrester ......... 7-10
Adjusting the carburetor ............... 7-11
Adjusting the engine idling speed ........................................ 7-11 Checking the throttle grip free
play ........................................... 7-12
Tires ............................................. 7-12
Panel wheels ................................ 7-14
Adjusting the front and rear brake lever free play .......... 7-14
Checking the front and rear brake shoes ....................... 7-15
Checking and lubricating the cables ................................. 7-16
Checking and lubricating
the throttle grip and cable ......... 7-16
Adjusting the Autolube pump ....... 7-16
Lubricating the front and rear brake levers ....................... 7-17
Checking and lubricating the centerstand ......................... 7-17
Checking the front fork ................. 7-17
Checking the steering .................. 7-18
Checking the wheel bearings ....... 7-18
Front wheel .................................. 7-19
Rear wheel ................................... 7-20
Troubleshooting ........................... 7-23
Troubleshooting chart .................. 7-24
MOTORCYCLE CARE AND
STORAGE .......................................... 8-1
Matte color caution ......................... 8-1
Care ............................................... 8-1
Storage ........................................... 8-3
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DESCRIPTION
3-1
3
EAU10410
Left view
1
2
3
45
6
1. Spark plug (page 7-6)
2. Fuel cock (page 4-6)
3. Throttle stop screw (page 7-11)
4. Air filter element (page 7-9)
5. Kickstarter (page 4-7)
6. Centerstand (page 7-17)
U5PG8BE0.book Page 1 Wednesday, June 27, 2012 2:53 PM
PERIODIC MAINTENANCE AND ADJUSTMENT
7-5
7
TIPThe air filter needs more frequent service if you are riding in unusually wet or dusty areas.10
*Transmission oil
Check for oil leakage .Correct if necessary.Change.
11
*Front and rear brake
lever pivot
Apply lithium-soap-based grease 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 cables
Apply Yamaha chain and cable lube or engine oil
10W-30 lightly.
15
*Throttle grip
Check operation.Check throttle grip free play, and adjust if
necessary.Apply Yamaha chain and cable lube or engine oil
10W-30 lightly.
NO. ITEM CHECK OR MAINTENANCE JOB
INITIAL
THEREAFTER
EVERY
1
month 3
months 6
months 6
months 12
months
8* Chassis fastenersCorrect if necessary.
A
9* utolube pumpCheck operation.Correct if necessary. Check all chassis fitting and fasteners.
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PERIODIC MAINTENANCE AND ADJUSTMENT
7-9
7
EAU41711
Middle and final gear cases The middle and final gear cases must
be checked for grease leakage before
each ride. If any leakage is found, have
a Yamaha dealer check and repair the
motorcycle. In addition, have a
Yamaha dealer check and lubricate the middle and final gears at the intervals
specified in the periodic maintenance
and lubrication chart.
EAU40903
Cleaning the air filter element The air filter element should be cleaned
at the intervals specified in the periodic
maintenance and lubrication chart.
Clean or, if necessary, replace the air
filter element more frequently if you are
riding in unusually wet or dusty areas. 1. Remove the seat. (See page 4-7.)
2. Remove the air filter case cover by removing the screw.
3. Pull the sponge material out, clean it with solvent, and then squeeze
the remaining solvent out. 4. Apply oil of the recommended type
to the entire surface of the sponge
material, and then squeeze the ex-
cess oil out.
TIPThe sponge material should be wet but
not dripping.
1. Air filter case cover
2. Screw
2
1
1. Sponge material
1
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PERIODIC MAINTENANCE AND ADJUSTMENT
7-10
7
5. Insert the sponge material into the
air filter case. NOTICE: Make sure
that the sponge material is prop-
erly seated in the air filter case.
The engine should never be op-
erated without the sponge mate-
rial installed, otherwise the
piston(s) and/or cylinder(s) may
become excessively worn.
[ECA15621]
6. Install the air filter case cover by in- stalling the screw.
7. Install the seat.
EAU41221
Cleaning the spark arrester The spark arrester should be 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 when
cleaning the exhaust system.
1. Remove the tailpipe by removing the screw, and then pulling it out of
the muffler. 2. Tap the tailpipe lightly, and then
use a wire brush to remove any
carbon deposits from the spark ar-
rester portion of the tailpipe and in-
side of the tailpipe housing.
3. Insert the tailpipe into the muffler, and then install and tighten the
screw.
TIPMake sure to align the screw hole when
inserting the tailpipe.
Recommended oil:Yamaha foam air filter oil or other
quality foam air filter oil
1. Tailpipe
2. Screw
3. Muffler1
2
3
1. Spark arrester
1
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SPECIFICATIONS
9-1
9
Dimensions:Overall length:1245 mm (49.0 in)
Overall width:
575 mm (22.6 in)
Overall height: 715 mm (28.1 in)
Seat height: 485 mm (19.1 in)
Wheelbase:
855 mm (33.7 in)
Ground clearance: 105 mm (4.13 in)
Minimum turning radius: 1300 mm (51.2 in)Weight:Curb weight:39 kg (86 lb)
Technical permissible mass (Maximum load +
curb weight): 64 kg (141 lb)Noise and vibration level:Noise level (77/311/EEC):
PW50 75.1 dB(A)@2750 r/min
(AUT)(BEL)(CHE)(DEU)(DNK)(ESP)
(FIN)(FRA)(GBR)(GRC)(IRL)(ITA)(NLD)
(NOR)(POL)(PRT)(SVN)(SWE)
Vibration on seat (EN1032, ISO5008): PW50 Will not exceed 0.5 m/s²
(AUT)(BEL)(CHE)(DEU)(DNK)(ESP)
(FIN)(FRA)(GBR)(GRC)(IRL)(ITA)(NLD)
(NOR)(POL)(PRT)(SVN)(SWE) Vibration on handlebar (EN1032, ISO5008):
PW50 Will not exceed 2.5 m/s²
(AUT)(BEL)(CHE)(DEU)(DNK)(ESP)
(FIN)(FRA)(GBR)(GRC)(IRL)(ITA)(NLD)
(NOR)(POL)(PRT)(SVN)(SWE)
Engine:Engine type:
Air cooled 2-stroke
Cylinder arrangement: Single cylinder
Displacement: 49 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 2S or 2-stroke engine oil
(JASO FC grade) or (ISO EG-C or EG-D
grade)
Engine oil quantity: Quantity:
0.30 L (0.32 US qt, 0.26 Imp.qt)Transmission oil:Type:YAMALUBE 4 (10W-40) or SAE 10W-40
Oil change quantity:
0.30 L (0.32 US qt, 0.26 Imp.qt)
Air filter:Air filter element:Wet elementFuel:Recommended fuel:PW50 Regular unleaded gasoline only
PW50D Unleaded gasoline only
PW50D1 Regular unleaded gasoline only
Fuel tank capacity:
2.0 L (0.53 US gal, 0.44 Imp.gal)Carburetor:Type × quantity:
VM12SC x 1Spark plug(s):Manufacturer/model: PW50 NGK/BP4HS (ZAF)
PW50 NGK/BPR4HS
(AUT)(BEL)(CHE)(DEU)(DNK)(ESP)
(FIN)(FRA)(GBR)(GRC)(IRL)(ITA)(NLD)
(NOR)(POL)(PRT)(SVN)(SWE)
PW50D NGK/BPR4HS
PW50D1 NGK/BPR4HS
Manufacturer/model: PW50 DENSO/W14FP-L (ZAF)
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)Clutch:Clutch type:Wet, centrifugal automaticTransmission:Primary reduction ratio:1.909 (63/33)
Final drive: Shaft
U5PG8BE0.book Page 1 Wednesday, June 27, 2012 2:53 PM
INDEX
AAcceleration and deceleration ................ 6-2
Air filter element, cleaning ...................... 7-9
Autolube pump, adjusting ..................... 7-16BBrake lever, front .................................... 4-2
Brake lever, rear ..................................... 4-3
Brake levers, lubricating ....................... 7-17
Brake shoes, checking ......................... 7-15
Braking ................................................... 6-2CCable lock (for Europe)........................... 4-8
Cables, checking and lubricating .......... 7-16
Carburetor, adjusting ............................ 7-11
Care ........................................................ 8-1
Centerstand, checking and lubricating ..................... 7-17EEngine break-in ...................................... 6-3
Engine idling speed .............................. 7-11
Engine oil ................................................ 4-6
Engine, starting a warm .......................... 6-1
Engine stop switch.................................. 4-1FFront and rear brake lever free play, adjusting ............................................. 7-14
Front fork, checking .............................. 7-17
Fuel......................................................... 4-3
Fuel cock ................................................ 4-6
Fuel tank breather hose.......................... 4-5
Fuel tank cap .......................................... 4-3HHandlebar switch .................................... 4-1
IIdentification numbers ........................... 10-1KKickstarter ............................................... 4-7LLabels, location .......................................1-1MMaintenance and lubrication, periodic..... 7-4
Maintenance, emission control system ... 7-3
Matte color, caution .................................8-1
Middle and final gear cases .................... 7-9
Model label ............................................ 10-1PParking ....................................................6-4
Part locations .......................................... 3-1
Power reduction plate, removing............. 7-7SSafety information ...................................2-1
Seat ......................................................... 4-7
Spark arrester, cleaning ........................ 7-10
Spark plug, checking ...............................7-6
Specifications .......................................... 9-1
Speed limiter and
power reduction plate............................ 4-1
Starter (choke) lever................................ 4-7
Starting and warming up a cold engine ... 6-1
Starting off ............................................... 6-2
Steering, checking.................................7-18
Storage....................................................8-3TThrottle grip and cable,
checking and lubricating ..................... 7-16
Throttle grip free play, checking ............7-12
Tires ......................................................7-12 Tool kit .................................................... 7-2
Transmission oil ...................................... 7-8
Troubleshooting .................................... 7-23
Troubleshooting chart ........................... 7-24
VVehicle Emission Control Information
label (For Canada).............................. 10-2
Vehicle identification number ................ 10-1WWheel bearings, checking..................... 7-18
Wheel (front) ......................................... 7-19
Wheel (rear) .......................................... 7-20
Wheels .................................................. 7-14
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