CHAPTER 3B ENGINE 50cc/80cc
ATV SERVICE MANUAL09.0
Check the clearance of the journal of the big end of
the connecting rod in X—Y directions
Max. service allowance:
Replace, when it goes beyond 0.05mm
Measure the run out of the crankshaft
Max service allowance:
Replace, when it goes beyond 0.10mm
Check if there is any abnormal noise and
looseness, when the crankshaft bearing revolves.
Replace totally, if any abnormal noise/looseness is
detected.
3.6.4 Assembling the crankcase
Use the following tools to install the oil seal of the
crankcase.
Bearing outer race driver
Bearing outer race 32x35mm
CHAPTER 3B ENGINE
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