Yamaha YP250 Service Manual page 34

TIGHTENING TORQUES
CHASSIS
Part to be tightened
Frame and engine bracket
Engine bracket, compression rod and engine
Compression rod and frame
Sidestand (bolt and frame)
Sidestand (bolt and nut)
Rear footrest bracket
Swingarm
Rear shock absorber and frame
Rear shock absorber and engine
Steering ring nut
Handle holder and steering shaft
Handle upper holder and lower holder
Brake hose and master cylinder
Fuel tank
(font)
(rear)
Fuel cock
Fuel sender
Filter
Roll over valve
Box
Handle seat
Sheet lock assembly
Plastic parts & cover
Cowling stay
Side cover 1
Cowling body
Footrest board
Headlight assembly
Tail light assembly
Front wheel axle and nut
Rear wheel axle and nut
Rear brake cam lever
Rear pivot pin
Front brake caliper and front fork
Brake disc and hub
Brake hose and caliper
Brake caliper and bleed screw
Windscreen
MAINTENANCE SPECIFICATIONS
Thread size
M12
M10
M10
M10
M10
M 6
M 8
M10
M 8
M25
M20
M 8
M10
M 6
M 6
M 6
M 5
M 6
M 5
M 6
M 6
M 6
M 5
M 8
M 6
M 6
M 6
M 6
M 6
M14
M14
M 6
M10
M10
M 8
M10
M 7
M 5
2-12
SPEC
Tightening
torque
Nm mSkg
1.25 59 5.9
1.25 32 3.2
1.25 64 6.4
1.25 40 4.0
1.25 40 4.0
1.0 7 0.7
1.25 23 2.3
1.25 40 4.0
1.25 19 1.9
1.0 22 2.2
1.5 139 13.9
1.25 23 2.3
1.25 26 2.6
1.0 10 1.0
1.0 7 0.7
1.0 7 0.7
0.8 3 0.3
1.0 7 0.7
0.8 4 0.4
1.0 7 0.7
1.0 10 1.0
1.0 7 0.7
1.0 2 0.2
1.25 16 1.6
1.0 7 0.7
1.0 7 0.7
1.0 7 0.7
1.0 7 0.7
1.0 7 0.7
1.5 70 7.0
1.5 135 13.5
1.0 10 1.0
1.25 32 3.2
1.25 49 4.9
1.25 23 2.3
1.25 26 2.6
1.0 6 0.6
1.0 0.4 0.04
Remarks
See "NOTE"