Yamaha YFM250XL(C) Service Manual page 40

Tightening torques
Part to be tightened
Front panel wheel and brake drum
Front brake drum and steering
knuckle
Front brake cam lever and cam
shaft
Steering knuckle and front shock
absorber
2
Front shock absorber and frame
Steering knuckle and Tie-rod end
Tie-rod and locknut
Steering shaft and tie-rod end
Steering shaft (lower) and frame
Steering shaft holder and frame
Steering shaft and upper handle-
bar holder
Front lower arm and frame
Front lower arm and steering
knuckle
Engine stay and frame (upper)
Engine mounting (upper)
Engine mounting (front)
Engine mounting (rear-upper)
Engine mounting (rear-lower)
Front fender and frame
Front fender and fender stay
Front bumper and frame
Front carrier and front bumper
Front carrier and frame
Rear fender and frame
Rear fender and plate (footrest)
Rear carrier and frame
Rear fender and rear bumper
Footrest and frame
Footrest plate and frame
Footrest plate and footrest
Rear panel wheel and wheel hub
Rear axle and nut
Rear brake cam lever and cam
shaft
Rear brake shoe plate and rear
axle housing
Pivot shaft (left)
Pivot shaft (right)
MAINTENANCE SPECIFICATIONS
Parts
Thread size Q'ty
name
M10 × 1.25
Nut
M14 × 1.5
Nut
M6 × 1.0
Bolt
M12 × 1.25
Nut
M35 × 1.5
Nut
M12 × 1.25
Nut
M10 × 1.25
Nut
M12 × 1.25
Nut
M10 × 1.25
Nut
M8 × 1.25
Bolt
M8 × 1.25
Bolt
M10 × 1.25
Nut
M10 × 1.25
Nut
M8 × 1.25
Bolt
M8 × 1.25
Nut
M8 × 1.25
Nut
M8 × 1.25
Nut
M8 × 1.25
Nut
M6 × 1.25
Bolt
M6 × 1.0
Nut
M8 × 1.25
Bolt
M6 × 1.0
Nut
M8 × 1.25
Bolt
M6 × 1.0
Bolt
M6 × 1.0
Bolt
M6 × 1.0
Bolt
M8 × 1.25
Bolt
M6 × 1.0
Nut
M10 × 1.25
Bolt
M8 × 1.25
Bolt
M8 × 1.25
Nut
M10 × 1.25
Nut
M16 × 1.5
Nut
M6 × 1.0
Bolt
M8 × 1.25
Bolt
M22 × 1.5
–
M22 × 1.5
–
2 - 16
SPEC
Tightening torque
Nm m·kg ft·lb
8 55 5.5 40
2 70 7.0 50
2 9 0.9 6.5
4 78 7.8 56
2 55 5.5 40
2 25 2.5 18
4 30 3.0 22
2 25 2.5 18
1 30 3.0 22
2 23 2.3 17
4 20 2.0 14
4 45 4.5 32
2 25 2.5 18
2 33 3.3 24
1 33 3.3 24
1 48 4.8 35
1 33 3.3 24
1 33 3.3 24
2 7 0.7 5.1
2 7 0.7 5.1
4 16 1.6 12
2 11 1.1 8.0
2 34 3.4 25
2 7 0.7 5.1
2 7 0.7 5.1
2 9 0.9 6.5
2 34 3.4 25
2 7 0.7 5.1
4 65 6.5 47
2 30 3.0 22
4 30 3.0 22
8 55 5.5 40
2 150 15 110
1 9 0.9 6.5
4 28 2.8 20
1 130 13 94
1 6 0.6 4.3
Remarks
Use lock washer
LT