2015 YAMAHA WR 250F wheel

TIGHTENING TORQUES
2-15
Air filter guide holder screw
M5 8 2.5 Nm (0.25 m·kgf, 1.8 ft·lbf)
Air filter case cap screw
M5 1 2.5 Nm (0.25 m·kgf, 1.8 ft·lbf)
Starter knob/Idle screw
M12 1 2.1 Nm (0.21 m·kgf, 1.5 ft·lbf)
Throttle cable nut (pull)
M10 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Throttle cable nut (return)
M10 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Clutch cable adjuster and locknut
M6 1 4.0 Nm (0.40 m·kgf, 2.9 ft·lbf)
Clutch cable locknut (engine side)
M8 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Exhaust pipe nut
M8 2 See TIP.
Exhaust pipe protector screw
M6 4 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Exhaust pipe bracket bolt
M8 1 20 Nm (2.0 m·kgf, 14 ft·lbf)
Frame and silencer bolt (front) M8 1 30 Nm (3.0 m·kgf, 22 ft·lbf)
Frame and silencer bolt (rear) M8 1 30 Nm (3.0 m·kgf, 22 ft·lbf)
Exhaust pipe clamp bolt
M8 2 12 Nm (1.2 m·kgf, 8.7 ft·lbf)
Spark arrester bolt
M5 4 9 Nm (0.9 m·kgf, 6.5 ft·lbf)
Muffler cap bolt
M5 6 5 Nm (0.5 m·kgf, 3.6 ft·lbf)
Oil nozzle bolt
M5 1 5 Nm (0.5 m·kgf, 3.6 ft·lbf)
Engine oil drain bolt
M10 1 20 Nm (2.0 m·kgf, 14 ft·lbf)
Crankcase bolt
M6 12 12 Nm (1.2 m·kgf, 8.7 ft·lbf)
Clutch cable holder bolt
M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Crankshaft end accessing screw
M36 1 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Timing mark accessing screw
M14 1 6 Nm (0.6 m·kgf, 4.3 ft·lbf)
Drive chain sprocket cover bolt
M6 2 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Crankcase bearing cover plate
screwM6 6 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Crankcase bearing cover plate
screw (crankshaft)M8 4 22 Nm (2.2 m·kgf, 16 ft·lbf)
Oil passage squeeze nozzle
M8 1 3.0 Nm (0.30 m·kgf, 2.2 ft·lbf)
Clutch cover bolt
M6 7 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Left crankcase cover bolt
M6 7 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Right crankcase cover bolt
M6 11 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Oil filter element cover bolt
M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Kick shaft ratchet wheel guide bolt
M6 2 12 Nm (1.2 m·kgf, 8.7 ft·lbf)
Kick starter lever bolt
M8 1 33 Nm (3.3 m·kgf, 24 ft·lbf)
Kick starter lever boss screw
M6 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Primary drive gear nut
M16 1 75 Nm (7.5 m·kgf, 54 ft·lbf)
Clutch spring bolt
M6 5 10 Nm (1.0 m·kgf, 7.2 ft·lbf) ITEMThread
sizeQ’ty TIGHTENING TORQUES Remarks
LT
LT
LT
LT
LT
LT
LT

TIGHTENING TORQUES
2-17
EAS2GB2069CHASSIS TIGHTENING TORQUES
TIP
- marked portion shall be checked for torque tightening after break-in or before each race.
ITEMThread
sizeQ’ty TIGHTENING TORQUES Remarks
Outer tube and upper bracket bolt M8 4 21 Nm (2.1 m·kgf, 15 ft·lbf)
Outer tube and lower bracket bolt M8 4 21 Nm (2.1 m·kgf, 15 ft·lbf)
Upper bracket and steering stem nut M24 1 145 Nm (14.5 m·kgf, 105 ft·lbf)
Upper handlebar holder bolt M8 4 28 Nm (2.8 m·kgf, 20 ft·lbf)
Lower handlebar holder nut M10 2 40 Nm (4.0 m·kgf, 29 ft·lbf)
Engine stop switch screw M3 1 0.5 Nm (0.05 m·kgf, 0.36 ft·lbf)
Start switch screw M4 1 0.5 Nm (0.05 m·kgf, 0.36 ft·lbf)
Lower ring nut M28 1 See TIP.
Outer tube and damper assembly M51 2 30 Nm (3.0 m·kgf, 22 ft·lbf)
Inner tube and adjuster M22 2 55 Nm (5.5 m·kgf, 40 ft·lbf)
Damper assembly and base valve M42 2 28 Nm (2.8 m·kgf, 20 ft·lbf)
Damper assembly adjuster M12 2 29 Nm (2.9 m·kgf, 21 ft·lbf)
Bleed screw (front fork) and base
valveM5 2 1.3 Nm (0.13 m·kgf, 0.94 ft·lbf)
Front fork protector bolt M6 6 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Front fork protector and brake hose
holder nutM6 2 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Throttle grip cap screw M5 2 3.8 Nm (0.38 m·kgf, 2.8 ft·lbf)
Clutch lever holder bolt M6 2 3.8 Nm (0.38 m·kgf, 2.8 ft·lbf)
Clutch lever nut M6 1 4.0 Nm (0.40 m·kgf, 2.9 ft·lbf)
Front brake master cylinder holder
boltM6 2 9 Nm (0.9 m·kgf, 6.5 ft·lbf)
Front brake master cylinder reser-
voir cap screwM4 2 1.5 Nm (0.15 m·kgf, 1.1 ft·lbf)
Front brake lever pivot bolt M6 1 6 Nm (0.6 m·kgf, 4.3 ft·lbf)
Front brake lever pivot nut M6 1 6 Nm (0.6 m·kgf, 4.3 ft·lbf)
Front brake lever position locknut M6 1 5 Nm (0.5 m·kgf, 3.6 ft·lbf)
Front brake hose holder and lower
bracket boltM6 1 9 Nm (0.9 m·kgf, 6.5 ft·lbf)
Front brake hose union bolt M10 2 30 Nm (3.0 m·kgf, 22 ft·lbf)
Front brake caliper bolt M8 2 23 Nm (2.3 m·kgf, 17 ft·lbf)
Front brake pad pin M10 1 17 Nm (1.7 m·kgf, 12 ft·lbf)
Front brake pad pin plug M10 1 2.5 Nm (0.25 m·kgf, 1.8 ft·lbf)
Front brake caliper bleed screw M8 1 6 Nm (0.6 m·kgf, 4.3 ft·lbf)
Front wheel axle nut M16 1 90 Nm (9.0 m·kgf, 65 ft·lbf)
Front wheel axle pinch bolt M8 4 21 Nm (2.1 m·kgf, 15 ft·lbf)
LT

TIGHTENING TORQUES
2-18
Front brake disc bolt M6 6 12 Nm (1.2 m·kgf, 8.7 ft·lbf)
Rear brake disc bolt M6 6 14 Nm (1.4 m·kgf, 10 ft·lbf)
Footrest bracket bolt M10 4 55 Nm (5.5 m·kgf, 40 ft·lbf)
Sidestand bolt M10 1 25 Nm (2.5 m·kgf, 18 ft·lbf)
Rear brake pedal bolt M8 1 26 Nm (2.6 m·kgf, 19 ft·lbf)
Rear brake pedal position locknut M6 1 6 Nm (0.6 m·kgf, 4.3 ft·lbf)
Rear brake master cylinder bolt M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Rear brake master cylinder reservoir
cap boltM4 2 1.5 Nm (0.15 m·kgf, 1.1 ft·lbf)
Rear brake hose union bolt M10 2 30 Nm (3.0 m·kgf, 22 ft·lbf)
Rear brake caliper bleed screw M8 1 6 Nm (0.6 m·kgf, 4.3 ft·lbf)
Rear brake pad pin M10 1 17 Nm (1.7 m·kgf, 12 ft·lbf)
Rear brake pad pin plug M10 1 2.5 Nm (0.25 m·kgf, 1.8 ft·lbf)
Rear wheel axle nut M22 1 125 Nm (12.5 m·kgf, 90 ft·lbf)
Drive chain puller adjust bolt and
locknutM8 2 21 Nm (2.1 m·kgf, 15 ft·lbf)
Rear wheel sprocket nut M8 6 50 Nm (5.0 m·kgf, 36 ft·lbf)
Nipple (spoke) — 72 2.5 Nm (0.25 m·kgf, 1.8 ft·lbf)
Rear brake disc cover bolt M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Rear brake caliper protector bolt M6 2 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Engine mounting bolt (upper side) M10 2 45 Nm (4.5 m·kgf, 33 ft·lbf)
Engine mounting bolt (front side) M10 1 55 Nm (5.5 m·kgf, 40 ft·lbf)
Engine mounting bolt (lower side) M10 1 53 Nm (5.3 m·kgf, 38 ft·lbf)
Engine bracket bolt (upper side) M8 4 34 Nm (3.4 m·kgf, 25 ft·lbf)
Engine bracket bolt (front side) M8 4 34 Nm (3.4 m·kgf, 25 ft·lbf)
Rear frame and frame bolt M8 4 38 Nm (3.8 m·kgf, 27 ft·lbf)
Engine guard bolt M6 3 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Pivot shaft and nut M16 1 85 Nm (8.5 m·kgf, 61 ft·lbf)
Rear shock absorber assembly up-
per boltM10 1 56 Nm (5.6 m·kgf, 41 ft·lbf)
Rear shock absorber assembly low-
er boltM10 1 53 Nm (5.3 m·kgf, 38 ft·lbf)
Rear shock absorber locknut M60 1 30 Nm (3.0 m·kgf, 22 ft·lbf)
Relay arm bolt (swingarm side) M14 1 70 Nm (7.0 m·kgf, 51 ft·lbf)
Connecting arm bolt (relay arm side) M14 1 80 Nm (8.0 m·kgf, 58 ft·lbf)
Connecting arm bolt (frame side) M14 1 80 Nm (8.0 m·kgf, 58 ft·lbf)
Swingarm and brake hose holder
screwM5 4 3.5 Nm (0.35 m·kgf, 2.5 ft·lbf)
Drive chain tensioner bolt (upper
side)M8 1 16 Nm (1.6 m·kgf, 12 ft·lbf) ITEMThread
sizeQ’ty TIGHTENING TORQUES RemarksLT
LT
LT

LUBRICATION POINTS AND LUBRICANT TYPES
2-21
EAS2GB2070
LUBRICATION POINTS AND LUBRICANT TYPES
EAS2GB2071ENGINE
Lubrication point Lubricant types
Oil seal lips
Bearing
O-ring
Cylinder head bolt threads, seats, washers
Valve stems
Valve stem ends
Valve lifter outer surface
Camshaft lobe and journal
Valve lifter top surface
Crankshaft journal
Crankshaft big end thrust surfaces
Piston outer surface
Piston pin outer surface
Balancer shaft journal (left)
Decompression system moving parts
Water pump impeller shaft
Oil pump rotors (inner and outer)
Oil passage gasket
Oil pump shaft
Kick gear and ratchet wheel
Kick shaft
Kick idle gear inner surface
Ratchet wheel and ratchet wheel guide contacting portion
Primary drive gear nut threads and contacting surface
Primary driven gear inner surface and end surface
Clutch push rod washer
Clutch push rod 1 outer surface
Clutch push rod 1 thrust surface
Clutch push rod 2 outer surface
Push lever shaft outer surface
Transmission gear inner surface (wheel and pinion) and collar
Transmission gears (shift fork groove)
Shift cam grooves
Shift fork and shift fork guide outer surface
Shift shaft
Shift lever assembly moving parts
Damper assembly shaft, thrust surfaces, washers
LS
E
LS
M
M
M
E
M
M
M
E
E
E
M
E
E
E
LS
E
M
E
E
M
E
E
E
E
E
E
E
M
E
E
E
E
E
E

LUBRICATION POINTS AND LUBRICANT TYPES
2-22
EAS2GB2072CHASSISStarter idle gear inner surface, thrust surfaces
Starter clutch drive gear inner surface, thrust surfaces
Cylinder head cover gasketThree bond
No.1215®
Crankcase mating surfaceThree bond
No.1215®
Stator assembly lead grommetThree bond
No.1215®
Lubrication point Lubricant types
Upper bearings (steering head)
Upper bearings and bearing race cover (steering head)
Lower bearings and oil seal lip (steering head)
Steering stem threads and nut contacting surface
Pivot shaft bearing
Swingarm pivot portion (collar side surface and thrust bearing)
Swingarm pivot portion (collar outer surface)
Swingarm pivot portion (oil seal lip)
Pivot shaft outer surface
Relay arm bearing and oil seal lip
Relay arm thrust washer surface (both sides)
Relay arm collar outer surface and bolt outer surface
Relay arm bolt threads (swingarm side)
Connecting arm bearing and oil seal lip
Connecting arm collar outer surface and bolt outer surface
Rear shock absorber assembly collar outer surface and dust seal lip (upper
side)
Rear shock absorber assembly bearing and dust seal lip (lower side)
Brake pedal pivot portion (O-ring and bolt outer surface)
Front wheel oil seal lip
Front wheel axle outer surface
Speed sensor oil seal lip
Rear wheel oil seal lip
Rear wheel axle outer surface
Sidestand pivot portion and collar outer surface
Brake lever contacting portion (front brake master cylinder)
Front brake lever bolt outer surface
Clutch lever sliding surface and bolt outer surface
Clutch lever adjuster rubber lip
Clutch cable end (clutch lever side)Lubrication point Lubricant types
E
E
LS
LS
LS
LS
M
M
M
M
M
M
M
M
M
M
M
M
M
LS
LS
LS
LS
LS
LS
LS
S
S
LS
LS
LS

ADJUSTING THE REAR SHOCK ABSORBER ASSEMBLY ................... 3-33
CHECKING THE TIRES ........................................................................... 3-35
CHECKING AND TIGHTENING THE SPOKES ....................................... 3-35
CHECKING THE WHEELS ...................................................................... 3-36
CHECKING THE WHEEL BEARINGS ..................................................... 3-36
CHECKING AND ADJUSTING THE STEERING HEAD .......................... 3-36
CHECKING AND LUBRICATING THE CABLES ..................................... 3-37
LUBRICATING THE LEVERS .................................................................. 3-37
LUBRICATING THE PEDAL .................................................................... 3-37
LUBRICATING THE DRIVE CHAIN ......................................................... 3-38
LUBRICATING THE SIDESTAND............................................................ 3-38
CHECKING THE CHASSIS FASTENERS ............................................... 3-38
ELECTRICAL SYSTEM.................................................................................. 3-39
CHECKING THE SPARK PLUG .............................................................. 3-39
CHECKING THE IGNITION TIMING ........................................................ 3-39
CHECKING AND CHARGING THE BATTERY ........................................ 3-40
REPLACING THE HEADLIGHT BULB..................................................... 3-40

PERIODIC MAINTENANCE
3-2
EAS2GB2079GENERAL MAINTENANCE AND LUBRICATION CHART
NO. ITEM CHECKS AND MAINTENANCE JOBSINITIALODOMETER READ-
INGS
600 mi
(1000
km) or 1
month1800 mi
(3000
km) or 3
months3000 mi
(5000
km) or 6
months
1Clutch• Check operation.
• Adjust or replace cable.
2*Cooling sys-
tem• Check hoses for cracks of damage.
• Replace if necessary.
• Replace with ethylene glycol anti-
freeze coolant every 1 year.Every 1 year
3*Spark arrest-
er• Clean.
4*Front brake• Check operation, fluid level, and for flu-
id leakage.
• Replace brake pads if necessary.
• Replace brake fluid every 1 year. Every 1 year
5*Rear brake• Check operation, fluid level, and for flu-
id leakage.
• Replace brake pads if necessary.
• Replace brake fluid every 1 year. Every 1 year
6*Brake hoses• Check for cracks or damage.
• Replace. Every 4 years
7*Wheels• Check runout, spoke tightness and for
damage.
• Tighten spokes if necessary.
8*Tires• Check tread depth and for damage.
• Replace if necessary.
• Check air pressure.
• Correct if necessary.
9*Wheel bear-
ings• Check bearings for smooth operation.
• Replace if necessary.
10*Swingarm
pivot bear-
ings• Check bearing assemblies for loose-
ness.
• Moderately repack with lithium-soap-
based grease.
11Drive chain• Check chain slack/alignment and con-
dition.
• Adjust and lubricate chain with a spe-
cial O-ring chain lubricant thoroughly.Every ride
12*Steering
bearings• Check bearing assemblies for loose-
ness.
• Moderately repack with lithium-soap-
based grease every 1200 mi (2000 km)
or 12 months (whichever comes first).

PERIODIC MAINTENANCE
3-8
SWINGARM
Inspect, lube and
retightenMolybdenum disulfide grease
RELAY ARM, CON-
NECTING ROD
Inspect, lube and
retightenMolybdenum disulfide grease
SIDESTAND
Lubricate Lithium-soap-based grease
STEERING HEAD
Inspect free play
and retighten
Clean and lube Lithium-soap-based grease
Replace bearing
TIRE, WHEELS
Inspect air pres-
sure, wheel run-
out, tire wear and
spoke looseness
Retighten sprocket
bolt
Inspect bearings
Replace bearings
Lubricate Lithium-soap-based grease
THROTTLE, CON-
TROL CABLE
Check routing and
connection
LubricateYamaha cable lube or SAE
10W-30 motor oil ITEMAfter
break-
inEvery
raceEvery
third
(or
500
km)Every
fifth
(or
1,000
km)As re-
quiredRemarks