by feeling gauge. If clearance is excessive replace the
crankshaft assembly.
Connecting rod clearance limit:
0.5 mm
6. Inspect chain for worn or missing rollers or damage.
Replace if worn excessively or as part of any crankshaft repair.
CRANKCASE INSPECTION
NOTE: Removal and installation of new seals is
recommended anytime the crankcase is
disassembled.
1. Inspect both the crankshaft and the crankcase diameter
where bearing is installed location. Replace crankshaft if it is
out of specification.
CRANKCASE OIL STRAINER INSPECTION
1. Remove drain plug.
2. Remove oil strainer and visually inspect for any rips, tears
or obstructions in screen.
3. Replace oil strainer if it fails visual inspection.
BEARING / SEAL INSTALLATION
NOTE: To ease crankcase-bearing installation, warm
the crankcase until hot to the touch. Placing the
bearing in a freezer prior to installation will assist the
assembly process.
1. Install the bearing so the numbers are visible.
2. Drive or press the new bearing into the crankcase, using the
proper driver.
CAUTION
Press only on outer race of bearing to prevent
bearing damage.
3. Install new seals with the lip facing in.
CAUTION
Press only on outer diameter to prevent damage.
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General