'61HN252' by American Honda Motor Co. - Page 172 of 540
http://services.honda.com/ServiceManual/SVC_MNL/61HN253/61HN2...
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3/9/2008 10:50 PM
[2005-2008] [TRX500 FA/FGA]
CYLINDER HEAD/VALVE/CAMSHAFT
Remove the following:
Mark all parts so
VALVE
they can be placed
spring retainer
back in their original
inner and outer valve springs
SPRING SEAT
locations.
valve
stem seal
OUTER SPRING
valve spring seat
COTTERS
STEM SEAL
RETAINER
INNER SPRING
INSPECTION
CYLINDER HEAD
Remove the carbon deposits from the combustion
COMBUSTION CHAMBER
chamber, being careful not to damage the gasket
surface.
Check the spark plug hole and valve areas for
cracks.
Check the cylinder head for warpage with a straight
edge and feeler gauge.
SERVICE LIMIT: 0.10 mm (0.004 in)
CAM FOLLOWER
Check the cam follower and follower bore in the cyl-
inder head for scoring, scratches or damage.
Measure each follower O.D.
SERVICE LIMIT: 22.46 mm (0.884 in)
8-10