Cleaning
1. Clean top surfaces of pistons and cylinder block.(a) Turn the crankshaft, and bring each piston to Top Dead Center (TDC). Using a gasket scraper, remove all the carbon from the piston top surface.
(b) Using a gasket scraper, remove all the gasket material from the cylinder block surface.
(c) Using compressed air, blow carbon and oil from the bolt holes.
WARNING: Protect your eyes when using high-compressed air.
2. Clean cylinder head.
A. Remove gasket material.
Using a gasket scraper, remove all the gasket material from the cylinder block contact surface.
CAUTION: Be careful not to scratch the cylinder block contact surface.
B. Clean combustion chambers.
Using a wire brush, remove all the carbon from the combustion chambers.
CAUTION: Be careful not to scratch the cylinder block contact surface.
C. Clean valve guide bushings.
Using a valve guide bushing brush and solvent, clean all the guide bushings.
D. Clean cylinder head.
Using a soft brush and solvent, thoroughly clean the cylinder head.