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ENGINE
Check and repair
Cylinder head
1. Clean
Carbon deposit
(Eliminate from combustion chamber)
Don't use sharp tool to avoid damaging or scoring
spark plug thread and valve seat.
4. Reshape surface
Cylinder head
Reshape surface steps:
Place a piece of wet sandpaper of 400 600# onto a
platform, and use it to grind the cylinder head by fig-
ure eight.
Skewness: less than 0.03mm
2. Check
Cylinder head
Scratches or damage
Replace
3. Measurement
Cylinder skew
Check whether the 6 directions of the junction surface
of the cylinder head is skew or not.
Move the cylinder head several times to avoid grinding
some side excessively
Note
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Note
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