'61HN252' by American Honda Motor Co. - Page 173 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
Measure each follower bore I.D.
SERVICE LIMIT: 22.54 mm (0.887 in)
Subtract each follower O.D. from the corresponding
bore I.D. to obtain the rocker arm-to-shaft clearance.
SERVICE LIMIT: 0.07 mm (0.003 in)
VALVE SPRING
Measure the valve spring free length.
SERVICE LIMITS: Inner: 37.8 mm (1.49 in)
Outer: 49.0 mm (1.93 in)
VALVE/VALVE GUIDE
Check that the valve moves smoothly in the guide.
Check the valve for bending, burning or abnormal
wear.
Measure each valve stem O.D. and record it.
SERVICE LIMITS: IN: 5.45 mm (0.215 in)
EX: 5.43 mm (0.214 in)
Ream the valve guide to remove any carbon build-
Always rotate the
REAMER
up before measuring the guide.
reamer clockwise.
TOOL:
Valve guide reamer, 5.5 mm
07984-2000001 or
07984-200000D
(U.S.A. only)
Measure each valve guide I.D. and record it.
SERVICE LIMITS: IN/EX: 5.53 mm (0.218 in)
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