SECTION 4. DISASSEMBLY AND SERVICE
4-4-2 Cylinder Head / Valves
a. DISASSEMBLY/ REASSEMBLY
M8×60(4)
Loosen and tighten the bolts in a
crisscross pattern.
Torque:32-35 N·m
REASSEMBLY:
Before installation, remove carbon
deposits from the combustion chamber
and inspect the valve seats’ tightness.
Measure the compression of the
cylinder head after reassembly.
Connect one end to cylinder
head cover, the other end to
breather
vertical-up vent.
adjust or replace deformed
or non-completely-sealed
valves.
Assembly: the dirty
ones are required to
be cleaned timely.
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