Yamaha 2009 YZF-R1Y, Service Manual

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TIGHTENING TORQUES
2-16
EAS20340
ENGINE TIGHTENING TORQUES
Item
Thread
size
Q’ty Tightening torque Remarks
Spark plugs M10 4 13 Nm (1.3 m·kgf, 9.4 ft·lbf)
Cylinder head nut M10 2 See TIP.
Cylinder head nut M10 8 See TIP.
Cylinder head bolt M6 2 12 Nm (1.2 m·kgf, 8.7 ft·lbf)
Camshaft cap bolt M6 20 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Cylinder head cover bolt M6 6 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Cylinder head stud bolt (exhaust
pipe)
M8 8 15 Nm (1.5 m·kgf, 11 ft·lbf)
Read valve cover bolt (air induc-
tion system)
M6 4 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Camshaft sprocket bolt M7 4 24 Nm (2.4 m·kgf, 17 ft·lbf)
Throttle body joint bolt M6 7 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Oil checking bolt M6 1 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Connecting rod bolt M8 8 See TIP.
Generator rotor bolt M12 1 70 Nm (7.0 m·kgf, 50 ft·lbf)
Pickup rotor bolt M10 1 60 Nm (6.0 m·kgf, 43 ft·lbf)
Timing chain tensioner bolt M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Water pump outlet pipe bolt M6 1 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Radiator inlet pipe bolt M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Water pump inlet pipe bolt (water
pump side)
M6 1 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Water pump inlet pipe bolt (front
side)
M6 1 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Water hose clamp — 6 2 Nm (0.2 m·kgf, 1.4 ft·lbf)
Oil/water pump driven sprocket
bolt
M6 1 15 Nm (1.5 m·kgf, 11 ft·lbf)
Oil/water pump assembly bolt M6 2 12 Nm (1.2 m·kgf, 8.7 ft·lbf)
Thermostat housing cover nut M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Thermostat inlet pipe bolt M6 1 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Oil cooler union bolt M20 1 63 Nm (6.3 m·kgf, 45 ft·lbf)
Engine oil drain bolt M14 1 43 Nm (4.3 m·kgf, 31 ft·lbf)
Oil pipe bolt M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Oil strainer bolt M6 3 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Oil/water pump assembly drive
chain guide bolt
M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Oil delivery pipe 1 bolt M6 1 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Oil delivery pipe 2 bolt M6 1 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Oil filter union bolt M20 1 80 Nm (8.0 m·kgf, 58 ft·lbf)
Oil filter cartridge M20 1 17 Nm (1.7 m·kgf, 12 ft·lbf)
Oil pan bolt M6 13 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Relief valve assembly bolt M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Throttle cable adjusting bolt M6 2 5 Nm (0.5 m·kgf, 3.6 ft·lbf)
E
E
E
LT
LT
M
E
E
LT
LT
LT
LT
LT
E
LT
LT
LT
LT
LT
LS
LT