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The main damage of timing gear is the wear of gear tooth, tooth face peeling or
roughness, gear deflection, gear tooth breakage, etc. Due to the wear of gear teeth, the greater
the meshing gap, the greater the noise.
If gear face of timing tooth is bruised or damaged or rupture angle, it shall be replaced with a
new one for any case.
When replacing new parts, it is better to replace the whole part to
ensure that there is a more consistent meshing surface.
b) Assembly:
Oil seal:
Apply lubricating oil around new oil
seal.
Assemble oil seal into crankcase
cover by special tool.
After assembling, apply special
lubricating oil to the oil seal.
c) Inspect:
ID of camshaft handle
Standard
Maintenance limit
15 mm
15.2 mm
Outer seat ring
replacer
Grinder
Oil seal: (35x52x7)
Crankcase
cover
Crankcase assembly
Oil seal (It shall not be reused)
