CRANKSHAFT
5-58
EAS2DM1082
CHECKING THE OIL STRAINERS
1. Check:
• Oil strainers
Damage → Replace.
Contaminants → Clean with solvent.
EAS2DM1083
INSTALLING THE CRANKSHAFT
1. Lubricate:
• Oil seals
• Bearings
• Oil pump drive gear
2. Install:
• Oil seal “1”
(to the left crankcase)
3. Install:
• Bearing
(to the right crankcase)
4. Install:
• Crankshaft assembly “1”
• Install the crankshaft assembly with the crank-
shaft installer pot “2”, crankshaft installer bolt
“3”, adapter “4”, and fork seal driver attachment
“5”.
• The fork seal driver attachment should only
contact the inner race of the bearing.
ECA13970
To avoid scratching the crankshaft and to
ease the installation procedure, lubricate the
oil seal lips with lithium-soap-based grease
and each bearing with engine oil.
Hold the connecting rod at top dead center
(TDC) with one hand while turning the nut of the
crankshaft installer bolt with the other. Turn the
crankshaft installer bolt until the crankshaft as-
sembly bottoms against the bearing.
5. Install:
• Oil pump drive gear “1”
Install the oil pump drive gear with the crankshaft
installer pot “2”, crankshaft installer bolt “3”, and
adapter “4”.
Recommended lubricant
Oil seal
Lithium-soap-based grease
Bearing, oil pump drive gear
Engine oil
Oil seal installed depth
0–0.5 mm (0–0.020 in)
a. Oil seal installed depth
Crankshaft installer pot
90890-01274
Installing pot
YU-90058
Crankshaft installer bolt
90890-01275
Bolt
YU-90060
Adapter (M14)
90890-01478
Adapter #6
YM-90066
Fork seal driver attachment
90890-01186
Replacement 27 mm
YM-A9409-1
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