Yamaha TMAX XP500F 2015, Service Manual, Page: 48 / 478

TIGHTENING TORQUES
2-15
TIP
Cylinder head nut
1. Tighten the nuts to 10 Nm (1.0 m·kgf, 7.2 ft·lbf).
2. Tighten the nuts to 20 Nm (2.0 m·kgf, 14 ft·lbf).
3. Tighten the nuts further to reach the specified angle 120°.
TIP
Cylinder head stud bolt
The tightening torque is for reference only. Install the cylinder head stud bolt so that it protrudes 150.2–
152.2 mm (5.91–5.99 in) from the crankcase.
TIP
Connecting rod nut
Tighten the connecting rod nuts to 16 Nm (1.6 m·kgf, 12 ft·lbf), and then tighten them further to reach
the specified angle 90°.
TIP
Generator rotor nut
Tighten the generator rotor nuts to 65 Nm (6.5 m·kgf, 47 ft·lbf), and then tighten them further to reach
the specified angle 120°.
Cylinder head tightening sequence:
Secondary sheave nut M18 1 90 Nm (9.0 m·kgf, 65 ft·lbf)
YAMAHA
GREASE
“H” (Poly-
urea
Grease®)
Secondary sheave spring seat nut M36 1 90 Nm (9.0 m·kgf, 65 ft·lbf)
V-belt case bearing retainer screw M6 1 11 Nm (1.1 m·kgf, 8.0 ft·lbf)
Secondary shaft bearing retainer
bolt
M6 2 12 Nm (1.2 m·kgf, 8.7 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)
Starter motor bolt M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
O
2
sensor
M18 1 45 Nm (4.5 m·kgf, 33 ft·lbf)
Coolant temperature sensor M12 1 18 Nm (1.8 m·kgf, 13 ft·lbf)
Item
Thread
size
Q’ty Tightening torque Remarks
LT
LT
LT
LT