Yamaha YZ125N1 Motorcycle User Manual


 
2-10
SPEC
MAINTENANCE SPECIFICATIONS
Part to be tightened Thread size Q'ty
Tightening torque
Nm m•kg ft•lb
Rear brake master cylinder and frame M 6 × 1.0 2 10 1.0 7.2
Rear brake reservoir tank and frame M 6 × 1.0 1 7 0.7 5.1
Rear brake hose union bolt (caliper) M10 × 1.25 1 30 3.0 22
Rear brake hose union bolt (master cylinder) M10 × 1.25 1 30 3.0 22
Rear wheel axle and nut M20 × 1.5 1 125 12.5 90
Nipple (spoke) 72 3 0.3 2.2
Driven sprocket and wheel hub M 8 × 1.25 6 42 4.2 30
Disc cover and rear brake caliper M 6 × 1.0 2 7 0.7 5.1
Protector and rear brake caliper M 6 × 1.0 2 7 0.7 5.1
Engine mounting:
Engine and frame (front) M10 × 1.25 1 69 6.9 50
Engine and frame (lower) M10 × 1.25 1 69 6.9 50
Engine bracket and frame M 8 × 1.25 2 34 3.4 24
Engine bracket and engine M 8 × 1.25 1 34 3.4 24
Pivot shaft and nut M16 × 1.5 1 85 8.5 61
Relay arm and swingarm M14 × 1.5 1 80 8.0 58
Relay arm and connecting rod M14 × 1.5 1 80 8.0 58
Connecting rod and frame M14 × 1.5 1 80 8.0 58
Rear shock absorber and frame M10 × 1.25 1 56 5.6 40
Rear shock absorber and relay arm M10 × 1.25 1 53 5.3 38
Rear frame and frame M 8 × 1.25 3 29 2.9 21
Swingarm and brake hose holder M 5 × –4 4 0.42.9
Chain tensioner mounting M 8 × 1.25 2 19 1.9 13
Chain support and swingarm M 6 × 1.0 3 7 0.7 5.1
Seal guard and swingarm M 5 × 0.8 4 5 0.5 3.6
Fuel tank mounting M 6 × 1.0 2 10 1.0 7.2
Fuel tank and fuel cock M 6 × 1.0 2 7 0.7 5.1
Fuel tank and seat set bracket M 6 × 1.0 1 7 0.7 5.1
Fuel tank and hooking screw (fitting band) M 6 × 1.0 1 7 0.7 5.1
Fuel tank and fuel tank bracket M 6 × 1.0 4 7 0.7 5.1
Air scoop mounting M 6 × 1.0 8 3 0.3 2.2
Front fender mounting M 6 × 1.0 4 7 0.7 5.1
Rear fender mounting M 6 × 1.0 4 7 0.7 5.1
Side cover mounting M 6 × 1.0 4 7 0.7 5.1
Seat mounting M 6 × 1.0 2 7 0.7 5.1
Number plate M 6 × 1.0 1 7 0.7 5.1
NOTE:
- marked portion shall be checked for torque tightening after break-in or before each race.
5MV-9-10-2 6/12/00 7:23 PM Page 2-10