Service manual
9-22
SPEC
TIGHTENING TORQUE
NOTE:
*1: Tighten the cylinder head bolts to 25 Nm (2.5 m · kg, 18 ft · lb) in the proper tightening sequence, loosen
and retighten the cylinder head bolts to 25 Nm (2.5 m · kg, 18 ft · lb) in the proper tightening sequence,
and then tighten the cylinder head bolts further to reach the specified angle 175 ~ 185° in the proper tight-
ening sequence.
*2: Tighten the crankcase bolts to 15 Nm (1.5 m · kg, 11 ft · lb) in the proper tightening sequence, loosen and
retighten the crankcase bolts to 15 Nm (1.5 m · kg, 11 ft · lb) in the proper tightening sequence, and then
tighten the crankcase bolts further to reach the specified angle 65 ~ 70° in the proper tightening
sequence.
*3: Tighten the connecting rod nuts to 20 Nm (2.0 m · kg, 14 ft · lb), and then tighten the connecting rod nuts
further to reach the specified angle 120 ~ 130°.
Bearing retainer 10 1.0 7.2
Apply LOCTITE
®
Right balancer weight 50 5.0 36
Connecting rod and cap See NOTE.*3
A.C. magneto rotor 130 13.0 94 Apply the engine oil.
A.C. magneto rotor cover bolt (M6
×
1.0)
×
7 12 1.2 8.7
A.C. magneto rotor cover bolt (M6
×
1.0)
×
6 12 1.2 8.7 Apply LOCTITE
®
Starter clutch 12 1.2 8.7 Apply LOCTITE
®
Stator coil 10 1.0 7.2 Apply LOCTITE
®
Pickup coil 7 0.7 5.1 Apply LOCTITE
®
A.C. magneto lead holder 10 1.0 7.2 Apply LOCTITE
®
Starter motor 12 1.2 8.7
Fuel pump 7 0.7 5.1
Fuel tank 10 1.0 7.2
Starter motor lead 7 0.7 5.1
Throttle cable locknut 6 0.6 4.3
Rectifier/regulator 7 0.7 5.1
Frame ground lead (rectifier/regulator) 7 0.7 5.1
Engine ground lead (water jacket joint) 10 1.0 7.2
Frame rear cross member (front) 25 2.5 18
Frame rear cross member (rear) 30 3.0 22
Parts to be tightened
Tightening torque
Remarks
Nm m · kg ft · lb