ADLY MOTO
7-4
CYLINDER HEAD, VALVE
damaged?
x
Check the cam surface to see if it’s wear out
or
Working limit:
Replace if IN. cam under 35.57 mm
EX. cam under 35.58 mm
x
Check the camshaft bearings to see if it’s
wear out or loose. If it’s loose or damaged then
change whole set of camshaft
x
Check the rock arm and shaft
x
Check rock arm inside diameter
Working Limit:
Replace if over 12.04mm
x
Check the rock arm shaft outside diameter.
Working Limit:
Replace if under 11.92mm
Note
Κ
ϡ
ʳ
If the sliding face of rock arm wear out
then check the cam surface of the cam shaft
x
Check the gap between rock arm and shaft.
Working Limit:
Replace if over 0.07 mm
Remove valves
Use valve spring holder tool to remove the
spring holder, cotter, spring, valve, and seal.
Note
Κ
ϡ
ʳ
Valve spring must use special tool to
disassembly.
ϡ
ʳ
Parts removed have to place in certain
order, assembly in opposite order.
Valve spring holder tool
Κ
TLH3-03
special