'61HN252' by American Honda Motor Co. - Page 178 of 540
http://services.honda.com/ServiceManual/SVC_MNL/61HN253/61HN2...
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3/9/2008 10:51 PM
[2005-2008] [TRX500 FA/FGA]
CYLINDER HEAD/VALVE/CAMSHAFT
Turn the cam chain tensioner lifter shaft clockwise
fully and secure it with a stopper tool.
TOOL:
Cam chain tensioner stopper 07NMG-MY90101 or
07ZMG-MCAA400
(U.S.A. only)
STOPPER TOOL
Remove the four camshaft holder bolts.
CAMSHAFT ASSEMBLY
BOLTS
Raise the camshaft holder plate so that the dowel
pins fitted in the camshaft holders are removed
from the cylinder.
Remove the cam chain from the cam sprocket, and
suspend the cam chain with a piece of wire to pre-
vent it from falling into the crankcase
Remove the camshaft assembly and holder plate.
HOLDER PLATE
CAM CHAIN
Remove the dowel pins from the camshaft holders.
Do not forcibly
DOWEL PINS
Remove camshaft holder B from the camshaft
remove the dowel
assembly.
pins from the
camshaft holders.
CAMSHAFT HOLDER B
INSPECTION
Check the cam surfaces for scoring, scratches or evi-
dence of insufficient lubrication.
Check the sprocket teeth for wear or damage.
Measure each cam lobe height.
SERVICE LIMITS: IN: 33.790 mm (1.3303 in)
EX: 33.946 mm (1.3365 in)
8-16