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SPEC
TIGHTENING TORQUES
NOTE:
*1:Tighten the cylinder head bolts to 25 Nm (2.5 m • kg) in the proper tightening sequence, loosen
and retighten the cylinder head bolts to 25 Nm (2.5 m • kg) in the proper tightening sequence,
and then tighten the cylinder head bolts further to reach the specified angle 180° in the proper
tightening sequence.
*2:Tighten the crankcase bolts to 20 Nm (2.0 m • kg) in the proper tightening sequence, loosen and
retighten the crankcase bolts to 20 Nm (2.0 m • kg) in the proper tightening sequence, and then
tighten the crankcase bolts further to reach the specified angle 120° in the proper tightening
sequence.
*3:Tighten the connecting rod nuts to 20 Nm (2.0 m • kg), and then tighten the connecting rod nuts
further to reach the specified angle 120°.
Thermostat assembly Torx screw M6 1 10 1.0
Thermostat housing cover Bolt M6 2 10 1.0
Water pump Bolt M6 3 12 1.2
Water pump housing cover Bolt M6 1 10 1.0
Coolant drain bolt — M6 1 10 1.0
Muffler joint Bolt M8 2 20 2.0
Muffler Bolt M10 2 25 2.5
Exhaust pipe Nut M8 8 20 2.0
Exhaust pipe Bolt M8 2 17 1.7
Exhaust check bolt — M6 4 10 1.0
O
2
sensor — M18 1 45 4.5
Starter motor Bolt M6 2 10 1.0
Part to be tightened Part name
Thread
size
Q’ty
Tightening
torque
Remarks
Nm m·kgf