Part to be tightened
Thermostat assembly
Thermostat housing cover
Water pump
Water pump housing cover
Coolant drain bolt
Muffler joint
Muffler
Exhaust pipe
Exhaust pipe
Exhaust check bolt
O
sensor
2
Starter motor
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°.
TIGHTENING TORQUES
Thread
Part name
size
Torx screw
M6
Bolt
M6
Bolt
M6
Bolt
M6
—
M6
Bolt
M8
Bolt
M10
Nut
M8
Bolt
M8
—
M6
—
M18
Bolt
M6
2 - 21
SPEC
Tightening
torque
Q'ty
Nm
m·kgf
1
10
1.0
2
10
1.0
3
12
1.2
1
10
1.0
1
10
1.0
2
20
2.0
2
25
2.5
8
20
2.0
2
17
1.7
4
10
1.0
1
45
4.5
2
10
1.0
Remarks