TIGHTENING TORQUES (YP125R)
2-16
EAS37P1122
ENGINE TIGHTENING TORQUES
Item
Thread
size
Q’ty Tightening torque Remarks
Exhaust pipe nut M8 2 20 Nm (2.0 m·kgf, 14 ft·lbf)
Muffler bolt M10 3 53 Nm (5.3 m·kgf, 38 ft·lbf)
Muffler joint bolt M8 1 14 Nm (1.4 m·kgf, 10 ft·lbf)
O
2
sensor
M18 1 45 Nm (4.5 m·kgf, 32 ft·lbf)
Oil check bolt M6 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Cylinder head cover bolt M6 5 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Cylinder head nut M8 4 22 Nm (2.2 m·kgf, 16 ft·lbf)
Cylinder head bolt M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Cylinder head stud bolt M8 4 13 Nm (1.3 m·kgf, 9.4 ft·lbf)
Exhaust pipe stud bolt M8 2 15 Nm (1.5 m·kgf, 11 ft·lbf)
Timing chain tensioner bolt M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Yamaha
bond No.
1215®
Spark plug M10 1 13 Nm (1.3 m·kgf, 9.4 ft·lbf)
Coolant temperature sensor M12 1 18 Nm (1.8 m·kgf, 13 ft·lbf)
Camshaft sprocket bolt M8 1 30 Nm (3.0 m·kgf, 22 ft·lbf)
Camshaft retainer bolt M6 2 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Valve clearance adjusting screw
locknut
M5 4 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Coolant drain bolt (cylinder) M6 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
V-belt case cover bolt M6 2 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
V-belt case bolt M6 8 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
V-belt case air duct bolt M6 3 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Primary sheave nut M12 1 55 Nm (5.5 m·kgf, 40 ft·lbf)
Secondary sheave nut M14 1 60 Nm (6.0 m·kgf, 43 ft·lbf)
Clutch carrier nut M36 1 90 Nm (9.0 m·kgf, 65 ft·lbf)
Timing mark accessing plug M16 1 8 Nm (0.8 m·kgf, 5.8 ft·lbf)
Generator cover bolt M6 9 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Stator coil bolt M6 3 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Crankshaft position sensor bolt M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Generator rotor nut M14 1 80 Nm (8.0 m·kgf, 58 ft·lbf)
Starter clutch assembly bolt M6 3 13 Nm (1.3 m·kgf, 9.4 ft·lbf)
Starter motor bolt M6 2 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Oil pump plate bolt M6 2 12 Nm (1.2 m·kgf, 8.7 ft·lbf)
Oil pump assembly screw M5 2 4 Nm (0.4 m·kgf, 2.9 ft·lbf)
Transmission case cover bolt M8 6 16 Nm (1.6 m·kgf, 11 ft·lbf)
Oil filter element cover bolt M6 3 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Oil strainer cover M35 1 32 Nm (3.2 m·kgf, 23 ft·lbf)
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