1D-47 Power Unit Mechanical:
Crankshaft to cylinder
Install crankshaft main bearings (1) in cylinder and
crankcase.
Apply molybdenum oil solution to bearings.
CAUTION
• Assemble each bearing to its original
position.
• Assemble main bearing half containing oil
groove / hole to cylinder block.
Assemble the main bearing half without oil
groove to crankcase.
• Do not apply molybdenum oil solution
between crank bearing holder and crank
main bearing.
NOTE
Align bearing tab “A” with notch in cylinder
and crankcase.
Thrust bearing
Apply molybdenum oil solution to the thrust bearing and
install in cylinder block overlapping both sides of the
No.4 main journal.
Oil groove on the thrust bearing must face towards crank
webs.
Crankshaft
CAUTION
Do not reuse seal removed. Be sure to use
new seal.
NOTE
Install upper oil seal with its spring / lipped
side facing inward.
1) Apply engine oil to upper oil seal lip.
Install upper oil seal (1) to crankshaft.
2) Apply molybdenum oil solution to crank pin and
crankshaft main journal and install crankshaft in
cylinder.
NOTE
When installing crankshaft to cylinder, be
sure to fit tab of seal in groove of cylinder.
1. Oil hole 2. Oil groove
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1. Thrust bearing 2. Oil groove
1
2
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