Filter
Top Products
ENGINE TOP END 5-31
Cylinder Head
Cylinder Head Cleaning
•
Remove the cylinder head (see Cylinder Head Removal).
•
Scrape the carbon out of the combustion chamber and
exhaust port with a suitable tool.
•
Wash the head with a high-flash point solvent.
•
Blow out any particles which may obstruct the oil passage
in the cylinder head using compressed air.
Cylinder Head Warp
•
Clean the cylinder head (see Cylinder Head Cleaning).
•
Lay a straightedge across the lower surface of the cylinder
head.
•
Use a thickness gauge [A] to measure the space between
the straightedge [B] and the head at several locations.
Cylinder Head Warp
Service Limit: 0.05 mm (0.002 in.)
If the cylinder head is warped more than the service limit,
replace it.
If the cylinder head is warped less than the service limit,
repair the head by lapping the lower surface with emery
paper secured to a surface plate (first No. 200, then No.
400).