5-52
Power Unit
4st 9.9/15/20 2008
16. Wipe off excess Loctite 518 from lower mating surface of
crankcase.
14. Install crank case to cylinder block.
15. Tighten crank case bolts M8 in two steps to specified torque
in the order shown. Then, tighten M6 bolts in two steps to
specified torque.
Crank Case Bolts (M8) to ：
First Tightening Torque : 10 N · m (7 lb · ft) [1.0 kgf · m]
Second Tightening Torque : 23.5 N · m (17 lb · ft) [2.4 kgf · m]
Crank Case Bolts (M6) to ：
First Tightening Torque : 6 N · m (4 lb · ft) [0.6 kgf · m]
Second Tightening Torque : 11.5 N · m (8.5 lb · ft) [1.2 kgf · m]
10
5
41
11. Install bearing half to crank case.
13. Apply sealing agent to mating surface of crank case (one
side).
· Be sure that individual bearings are installed
to their original locations.
· Install bearings with their projection fit into
crank case groove.
· Degrease mating surfaces of cylinder and
crank case.
· Be careful not to allow sealing agent to
adhere to bearing.
· Apply Loctite 518 to mating surface of one of
crank case halves, taking care not to apply
the agent excessively.
12. Apply 4 stroke engine oil to bearings.
E_MFS20C_ch05_090105.qxd 09.1.20 5:25 PM ページ 52
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