transmission YAMAHA PW80 2011 User Guide

Page 45 of 74

PERIODIC MAINTENANCE AND ADJUSTMENT
7-8
7
EAU49890
Transmission oil The transmission oil level should be
checked before each ride. In addition,
the transmission oil must be changed at
the intervals specified in the periodic
maintenance and lubrication chart.
To check the transmission oil level
1. Place the vehicle on a level sur-
face and hold it in an upright posi-
tion.TIPMake sure that the vehicle is positioned
straight up when checking the oil level.
A slight tilt to the side can result in a
false reading.2. Wait a few minutes until the oil set-
tles, remove the oil filler cap, wipe
the dipstick clean, insert it back
into the oil filler hole (without
screwing it in), and then remove it
again to check the oil level.TIPThe transmission oil should be be-
tween the tip of the dipstick and maxi-
mum level mark.
3. If the oil does not reach the tip of
the dipstick, add sufficient oil of the
recommended type to raise it to
the correct level.
4. Insert the dipstick into the oil filler
hole, and then tighten the oil filler
cap.
To change the transmission oil
1. Place an oil pan under the trans-
mission to collect the used oil.
2. Remove the oil filler cap, the trans-
mission oil drain bolt and its gasket
to drain the oil from the transmis-
sion.3. Install the transmission oil drain
bolt and its new gasket, and then
tighten the bolt to the specified
torque.
4. Refill with the specified amount of
the recommended transmission
oil, and then install and tighten the
oil filler cap.1. Transmission oil filler cap
2. Dipstick
3. Maximum level mark
4. Tip of the dipstick
2
3
41
1
1. Transmission oil drain bolt
2. Gasket
Tightening torque:
Transmission oil drain bolt:
20 Nm (2.0 m·kgf, 14 ft·lbf)
Recommended transmission oil:
See page 9-1.
Oil change quantity:
0.65 L (0.69 US qt, 0.57 Imp.qt)
12
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Page 46 of 74

PERIODIC MAINTENANCE AND ADJUSTMENT
7-9
7
NOTICE
ECA10452

In order to prevent clutch slip-
page (since the transmission oil
also lubricates the clutch), do
not mix any chemical additives.
Do not use oils with a diesel
specification of “CD” or oils of a
higher quality than specified. In
addition, do not use oils labeled
“ENERGY CONSERVING II” or
higher.

Make sure that no foreign mate-
rial enters the transmission.
5. Start the engine, and then let it idle
for several minutes while checking
the transmission for oil leakage. If
oil is leaking, immediately turn the
engine off and check for the cause.
EAU41163
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 air filter case cover by
removing the screws.
2. Pull the air filter element out.3. Remove the sponge material from
the air filter case cover, clean it
with solvent, and then squeeze the
remaining solvent out.1. Air filter case cover
2. Screw
2
2
1
1. Sponge material
2. Air filter case cover
1
2
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Page 54 of 74

PERIODIC MAINTENANCE AND ADJUSTMENT
7-17
7Rear
If the lining thickness of a brake shoe is
less than 1.5 mm (0.06 in), have a
Yamaha dealer replace the brake
shoes as a set.
TIPBe sure to measure the brake lining at
the thinnest portion.
EAU22760
Drive chain slack The drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU22773
To check the drive chain slack
1. Place the motorcycle on the side-
stand.TIPWhen checking and adjusting the drive
chain slack, there should be no weight
on the motorcycle.2. Shift the transmission into the neu-
tral position.
3. Move the rear wheel by pushing
the motorcycle to locate the tight-
est portion of the drive chain, and
then measure the drive chain slack
as shown.4. If the drive chain slack is incorrect,
adjust it as follows.
EAU40112
To adjust the drive chain slack
1. Loosen the brake pedal free play
adjusting nut, axle nut, and locknut
at each end of the swingarm.
Drive chain slack:
40.0–53.0 mm (1.57–2.09 in)
1. Drive chain slack
1
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Page 70 of 74

SPECIFICATIONS
9-1
9
Dimensions:Overall length:
1540 mm (60.6 in)
Overall width:
640 mm (25.2 in)
Overall height:
880 mm (34.6 in)
Seat height:
635 mm (25.0 in)
Wheelbase:
1055 mm (41.5 in)
Ground clearance:
185 mm (7.28 in)
Minimum turning radius:
1700 mm (66.9 in)Weight:With oil and fuel:
61 kg (134 lb)Noise and vibration level:Noise level (77/311/EEC):
PW80 79.3 dB(A)@2750 r/min
Vibration on seat (EN1032, ISO5008):
PW80 Will not exceed 0.5 m/s²
Vibration on handlebar (EN1032, ISO5008):
PW80 Will not exceed 2.5 m/s²Engine:Engine type:
Air cooled 2-stroke
Cylinder arrangement:
Forward-inclined single cylinder
Displacement:
79 cm³
Bore × stroke:
47.0 × 45.6 mm (1.85 × 1.80 in)Compression ratio:
6.60 :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:
0.75 L (0.79 US qt, 0.66 Imp.qt)Transmission oil:Type:
YAMALUBE 4 (10W-40) or SAE 10W-40
Oil change quantity:
0.65 L (0.69 US qt, 0.57 Imp.qt)Air filter:Air filter element:
Wet elementFuel:Recommended fuel:
PW80 Regular unleaded gasoline only
PW80A Unleaded gasoline only
Fuel tank capacity:
4.9 L (1.29 US gal, 1.08 Imp.gal)
Fuel reserve amount:
1.0 L (0.26 US gal, 0.22 Imp.gal)Carburetor:Type × quantity:
VM15SC x 1
Spark plug(s):Manufacturer/model:
NGK/BPR6HS
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)Clutch:Clutch type:
Wet, multiple-disc automaticTransmission:Primary reduction system:
Helical gear
Primary reduction ratio:
66/21 (3.143)
Secondary reduction system:
Chain drive
Secondary reduction ratio:
32/15 (2.133)
Transmission type:
Constant mesh 3-speed
Operation:
Left foot operation
Gear ratio:
1st:
39/12 (3.250)
2nd:
29/16 (1.812)
3rd:
22/17 (1.294)Chassis:Frame type:
Steel tube backbone
Caster angle:
26.00 °
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Page 73 of 74

INDEX
AAir filter element, cleaning ...................... 7-9
Autolube pump, adjusting ..................... 7-20BBrake lever ............................................. 4-2
Brake lever, checking and lubricating ... 7-20
Brake lever free play, adjusting ............ 7-14
Brake pedal ............................................ 4-2
Brake pedal, checking and
lubricating ........................................... 7-20
Brake pedal free play, adjusting ........... 7-15
Brake shoes, checking ......................... 7-16CCables, checking and lubricating .......... 7-19
Carburetor, adjusting ............................ 7-11
Care ........................................................ 8-1DDrive chain, cleaning and lubricating .... 7-19
Drive chain slack .................................. 7-17EEngine break-in ...................................... 6-3
Engine idling speed .............................. 7-11
Engine oil ................................................ 4-4
Engine, starting a warm .......................... 6-2
Engine stop switch.................................. 4-1FFront fork, checking .............................. 7-21
Fuel......................................................... 4-3
Fuel cock ................................................ 4-5
Fuel tank breather hose.......................... 4-4
Fuel tank cap .......................................... 4-2GGeneral maintenance and lubrication
chart ..................................................... 7-3
HHandlebar switch..................................... 4-1IIdentification numbers ........................... 10-1KKickstarter ............................................... 4-6LLabels, location .......................................1-1MMaintenance, emission control system ... 7-2
Matte color, caution .................................8-1
Model label ............................................ 10-1PParking ....................................................6-4
Part locations .......................................... 3-1
Power reduction plate ............................. 4-1
Power reduction plate, removing............. 7-7SSafety information ...................................2-1
Seat ......................................................... 4-7
Shifting ....................................................6-2
Shift pedal ............................................... 4-1
Shift pedal, checking ............................. 7-16
Shock absorber assembly ....................... 4-7
Sidestand ................................................ 4-8
Sidestand, checking and lubricating...... 7-21
Spark arrester, cleaning ........................ 7-10
Spark plug, checking ...............................7-6
Specifications .......................................... 9-1
Starter (choke) lever................................ 4-6
Starting and warming up a cold engine ... 6-1
Steering, checking.................................7-22
Storage....................................................8-3
Supporting the motorcycle .................... 7-22
TThrottle cable free play, adjusting ......... 7-12
Throttle grip and cable, checking and
lubricating ........................................... 7-19
Tires ...................................................... 7-13
Tool kit .................................................... 7-1
Transmission oil ...................................... 7-8
Troubleshooting .................................... 7-27
Troubleshooting chart ........................... 7-28VVehicle identification number ................ 10-1WWheel bearings, checking..................... 7-22
Wheel (front) ......................................... 7-23
Wheel (rear) .......................................... 7-25
Wheels .................................................. 7-14
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