Yamaha YZ125 Owner's Manual

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TIGHTENING TORQUES2-9EAM30204CHASSIS TIGHTENING TORQUESTIP- marked portion shall be checked for torque tightening after break-in or before each race.Oil check bolt M6 1 10 N·m (1.0 kgf·m, 7.4 lb·ft)Oil drain bolt M10 1 20 N·m (2.0 kgf·m, 15 lb·ft)Kickstarter lever M6 1 10 N·m (1.0 kgf·m, 7.4 lb·ft)Clutch cover bolt M6 6 10 N·m (1.0 kgf·m, 7.4 lb·ft)Primary drive gear bolt M8 1 48 N·m (4.8 kgf·m, 35 lb·ft)Clutch boss nut M16 1 80 N·m (8.0 kgf·m, 59 lb·ft) Use a lockwasher.Clutch spring bolt M6 5 10 N·m (1.0 kgf·m, 7.4 lb·ft)Locknut (clutch cable side) M6 1 4.3 N·m (0.43 kgf·m, 3.2 lb·ft)Drive sprocket nut M18 1 75 N·m (7.5 kgf·m, 55 lb·ft) Use a lockwasher.Shift pedal bolt M6 1 12 N·m (1.2 kgf·m, 8.9 lb·ft)Bearing plate cover screw (shiftcam) M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)Shift guide bolt M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)Stopper lever bolt M6 1 10 N·m (1.0 kgf·m, 7.4 lb·ft)Segment M8 1 30 N·m (3.0 kgf·m, 22 lb·ft)Exhaust pipe bolt M6 2 12 N·m (1.2 kgf·m, 8.9 lb·ft) Exhaust pipe stay bolt (front) M6 1 12 N·m (1.2 kgf·m, 8.9 lb·ft) Exhaust pipe stay bolt (rear) M6 1 12 N·m (1.2 kgf·m, 8.9 lb·ft) Silencer bolt M6 1 12 N·m (1.2 kgf·m, 8.9 lb·ft) /Fiber bolt M6 4 10 N·m (1.0 kgf·m, 7.4 lb·ft)Stator coil screw M6 3 7 N·m (0.7 kgf·m, 5.2 lb·ft)CDI magneto rotor nut M12 1 56 N·m (5.6 kgf·m, 41 lb·ft)Ignition coil bolt M6 2 7 N·m (0.7 kgf·m, 5.2 lb·ft)Item Threadsize Q’ty Tightening torques RemarksUpper bracket pinch bolt M8 4 21 N·m (2.1 kgf·m, 15 lb·ft) Lower bracket pinch bolt M8 4 21 N·m (2.1 kgf·m, 15 lb·ft) Steering stem nut M24 1 145 N·m (14.5 kgf·m, 107 lb·ft) Upper handlebar holder bolt M8 4 28 N·m (2.8 kgf·m, 21 lb·ft) Lower handlebar holder nut M12 2 40 N·m (4.0 kgf·m, 30 lb·ft) Steering ring nut M28 1 Refer to TIP. Damper assembly (front fork) M51 2 30 N·m (3.0 kgf·m, 22 lb·ft)Item Threadsize Q’ty Tightening torques RemarksLTLTLTLTLT