Yamaha YP125R Service Manual

TIGHTENING TORQUES (YP250R)
2-66
EAS20350
CHASSIS TIGHTENING TORQUES
Item
Thread
size
Q’ty Tightening torque Remarks
Engine bracket nut M12 2 59 Nm (5.9 m·kgf, 43 ft·lbf)
Engine bracket rod nut M10 2 64 Nm (6.4 m·kgf, 46 ft·lbf)
Engine mounting nut M10 1 43 Nm (4.3 m·kgf, 31 ft·lbf)
Radiator bolt M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Filler neck bolt M6 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Coolant reservoir bolt M6 2 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Radiator bracket nut M6 4 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Fuel tank bolt M6 3 14 Nm (1.4 m·kgf, 10 ft·lbf)
Fuel tank bracket bolt M6 4 13 Nm (1.3 m·kgf, 9.4 ft·lbf)
Seat nut M6 4 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Seat hinge and storage box nut M6 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Seat hinge spring guide bolt M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Storage box bolt M6 2 11 Nm (1.1 m·kgf, 8.0 ft·lbf)
Grab bar bolt M8 4 23 Nm (2.3 m·kgf, 17 ft·lbf)
Center panel bolt M6 6 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Rear panel bolt M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Mudguard bolt M6 3 11 Nm (1.1 m·kgf, 8.0 ft·lbf)
Rear fender bolt M6 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Front cowling assembly bolt M6 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Battery box bolt M6 1 11 Nm (1.1 m·kgf, 8.0 ft·lbf)
Battery holder bolt M6 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Battery bracket bolt M8 4 30 Nm (3.0 m·kgf, 22 ft·lbf)
Windshield bracket bolt M6 2 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Windshield bracket bolt M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Bottom cover bolt M6 2 11 Nm (1.1 m·kgf, 8.0 ft·lbf)
Storage compartment bolt M6 1 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Footrest board bolt M6 6 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Sidestand nut M10 1 56 Nm (5.6 m·kgf, 40 ft·lbf)
Sidestand switch nut M5 2 8 Nm (0.8 m·kgf, 5.8 ft·lbf)
Front fender bolt M6 4 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Front wheel axle M14 1 70 Nm (7.0 m·kgf, 50 ft·lbf)
Front wheel axle pinch bolt M8 1 23 Nm (2.3 m·kgf, 17 ft·lbf)
Front brake disc bolt M6 5 12 Nm (1.2 m·kgf, 8.7 ft·lbf)
Rear wheel axle nut M14 1 135 Nm (13.5 m·kgf, 98 ft·lbf)
Rear brake disc bolt M8 4 23 Nm (2.3 m·kgf, 17 ft·lbf)
Front brake caliper bolt M8 2 40 Nm (4.0 m·kgf, 29 ft·lbf)
Front brake hose union bolt M10 2 23 Nm (2.3 m·kgf, 17 ft·lbf)
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Yamaha YP125R Specifications

General

Engine Type	Liquid-cooled, 4-stroke, SOHC, 4-valve
Bore x Stroke	52.4 mm x 57.9 mm
Fuel System	Fuel Injection
Ignition System	TCI
Transmission	V-Belt Automatic
Front Suspension	Telescopic fork
Rear Suspension	Unit Swing
Front Brake	Hydraulic single disc, Ø267 mm
Starter System	Electric
Rear Tyre	140/70-14M/C 62P (Tubeless)