Cleaning; Parts Inspection - BRP BOMBARDIER DS250 2006 Shop Manual

TYPICAL — LOCATE VALVE SPRING COMPRESSOR
CLAMP IN CENTER OF THE VALVE
vmr2006-073-017_a
1. Valve cotter
CAUTION: To avoid changing spring character-
istics, do not compress too much. Compress
spring about the length of valve cotter.
Carefully remove clamp then pull out valves.
Valve Stem Seal
Remove valve stem seals with valve stem seal
pliers (Snap-on YA 8230).
vmr2006-073
Subsection 08 (CYLINDER HEAD)
vmr2006-073-018_a

CLEANING

Clean gasket residues off the contact surfaces.
CAUTION: Pay attention not to damage con-
tact surface of the gasket. It is better to moist-
en the gasket residue for easy scraping. Take
care so that no residue falls into crankcase or
oil/coolant passages.
Clean carbon deposits in combustion chamber.
Clean residues and foreign materials on cylinder
head matching surfaces.

PARTS INSPECTION

Reed Valve
Remove reed valve from valve cover.
Section 03 ENGINE
75