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Cylinder Head
Problem
The cylinder
Carbon accumulation on piston and in
compression is
cylinder head (combustion chamber) is
higher than the
suspected due to damaged valve stem
usable range
or piston oil rings.
Incorrect cylinder head gasket
thickness.
Damaged auto-decompressor spring or
decompressor do not move smoothly.
The cylinder
Exhaust gas leakage around cylinder
compression is
head.
lower than the
Incorrect seating surface of valve.
usable range
Valve clearance is too narrow.
Piston/cylinder clearance is too wide.
Piston seizure.
Bad condition of piston ring and/or
piston ring grooves.
Auto-decompressor do not move
smoothly.

Cylinder Head Removal

Remove:
Ignition Coil (see Ignition Coil Removal in the Electrical
System chapter)
Camshaft (see Camshaft Removal)
Exhaust Pipe (see Muffler Removal)
Clamp Screw [A]
Water Hose [B]
Remove:
Upper Engine Bracket Bolts [A]
Upper Engine Mounting Bolts [B]
Upper Engine Brackets [C]
Diagnosis
ENGINE TOP END 5-21
Remedy (Action)
Remove the carbon deposits and replace
damaged parts if necessary.
Replace the gasket with a standard one.
Replace the spring or auto
-decompressor.
Replace the damaged gasket and
inspect cylinder head warp.
Repair seating surface if possible.
Adjust the valve clearance.
Replace the piston and/or cylinder
Inspect the cylinder and piston; repair or
replace them if necessary.
Replace the piston and/or the piston
rings.
Replace the auto-decompressor.

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   Also See for Kawasaki KX450F

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  • park tea un Oct 06, 2015 09:34:
    경기도 파주시 JJ모터