Kawasaki STX-15F service manual Cylinder Head Removal

ENGINE TOP END 6-21

Cylinder Head

The following table should be consulted if the obtainable compression reading is not within the us- able range.

Problem	Diagnosis	Remedy (Action)
Cylinder	Carbon accumulation on piston and in	Remove the carbon deposits
compression is	combustion chamber possibly due to	and replace damaged parts if
higher than usable	damaged valve stem oil seal and/or	necessary.
range	damaged piston oil rings (This may be
	indicated by white exhaust smoke).
	incorrect cylinder head gasket thickness.	Replace the gasket with a
		standard part.
Cylinder	Gas leakage around cylinder head	Replace damaged gasket and
compression is		check cylinder head warp.
lower than usable
	Bad condition of valve seating	Repair if necessary.
range
	incorrect valve clearance	Adjust the valve clearance.
	incorrect piston/cylinder clearance	Replace the piston and/or cylinder
	Piston seizure	Inspect the cylinder and
		replace/repair the cylinder
		and/or piston as necessary.
	Bad condition of piston ring and/or piston	Replace the piston and/or the
	ring grooves	piston rings.

Cylinder Head Removal

•Remove:

Engine (see Engine Removal/Installation chapter) Cylinder Head Cover (see Cylinder Head Cover Re- moval)

•Unscrew the crankshaft sensor cover bolts [A] and re- move the crankshaft sensor cover [B].

○Drain the engine oil by one liter.

•Turn the crankshaft clockwise and set the crankshaft at #1, 4 piston TDC.

TDC Mark [A] for #1, 4 pistons

Timing Mark [B] (Crankcase halves mating surface)

•Remove:Camshaft Chain Tensioner (see Camshaft Chain Ten- sioner Removal)

Camshafts (see Camshaft Removal)