4. DISASSEMBLING AND SERVICING
Timing gear will be damaged in gear worn, gear face peeling off, and gear teeth broken. The
engagement clearance is bigger due to gear wearing, the noise is bigger.
If the timing gear is damaged, please replace with new one.
Please replace the gear with a new set to ensure the engaging
face completely engage in.
b) Reassembly：
Oil seal：
Apply grease to new oil seal around.
Install the oil seal into the crankcase
cover with special tools.
RETAINER
ASSEMBLER
LAP
OIL SEAL
（25×40×7）
After installing, apply special grease to the oil seal.
c) Check：
Camshaft handle inside diameter
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