Yamaha YZF-R25 Service Manual page 47

Item
Gear position switch screw
Oil filter cartridge
Oil filter cartridge union bolt
Crankcase breather cover bolt
Speed sensor bolt
Connecting rod nut
Shift fork guide bar retainer bolt
Shift drum segment screw
Radiator bolt
Radiator fan cover bolt
Coolant reservoir cover bolt
Radiator outlet hose clamp screw
Radiator inlet hose clamp screw
Thermostat cover bolt
Water pump housing bolt
Coolant drain bolt
Impeller shaft retaining plate bolt
Throttle body joint bolt
ISC (idle speed control) valve plate
screw
Fuel rail bolt
Throttle body joint clamp screw
Throttle cable bracket bolt
Reed valve cover bolt
Reed valve assembly screw
TIP
Cylinder head bolt
Tighten the cylinder head bolts "1"–"8" in the proper tightening sequence as follows:
1. Lubricate the cylinder head bolts "1"–"6" threads and mating surface with molybdenum disulfide
grease.
2. Tighten the cylinder head bolts "1"–"6" to 10 Nm (1.0 m·kgf, 7.2 ft·lbf).
3. Tighten the cylinder head bolts "1"–"6" to 30 Nm (3.0 m·kgf, 22 ft·lbf).
4. Loosen and retighten the cylinder head bolts "1"–"6" to 12 Nm (1.2 m·kgf, 8.7 ft·lbf) in the proper
tightening sequence, and then tighten them further to reach the specified angle 115–125° in the
proper tightening sequence.
5. Tighten the cylinder head bolts "7" and "8" to 10 Nm (1.0 m·kgf, 7.2 ft·lbf).
Thread
Q'ty
size
M5 2 3.5 Nm (0.35 m·kgf, 2.5 ft·lbf)
M20 1
M20 1
M6 8
M6 1
M6 4
M6 2
M6 1
M6 2
M6 3
M5 2 1.5 Nm (0.15 m·kgf, 1.1 ft·lbf)
M5 1 2.0 Nm (0.20 m·kgf, 1.4 ft·lbf)
M5 1 2.0 Nm (0.20 m·kgf, 1.4 ft·lbf)
M6 2
M6 3
M6 1
M6 2
M6 3
M6 1
M5 2 3.5 Nm (0.35 m·kgf, 2.5 ft·lbf)
M5 2 2.5 Nm (0.25 m·kgf, 1.8 ft·lbf)
M5 2
M6 2
M3 4 1.0 Nm (0.10 m·kgf, 0.72 ft·lbf)
2-14
TIGHTENING TORQUES
Tightening torque
17 Nm (1.7 m·kgf, 12 ft·lbf)
70 Nm (7.0 m·kgf, 51 ft·lbf)
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
See TIP.
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
12 Nm (1.2 m·kgf, 8.7 ft·lbf)
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
8 Nm (0.8 m·kgf, 5.8 ft·lbf)
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
5 Nm (0.5 m·kgf, 3.6 ft·lbf)
5 Nm (0.5 m·kgf, 3.6 ft·lbf)
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Remarks
LT
E
M
LT
LT
LT
LT