ENGINE
3.68
CAM CHAIN/CAMSHAFT INSTALLATION
Install the cam chain over the crankshaft.
CAUTION: Serious engine damage may re-
sult if the camshaft is not properly timed to
the crankshaft.
IMPORTANT CAMSHAFT TIMING NOTE:Inorderto
timethecamshafttothecrankshaft,thepistonmustbe
precisely located at Top Dead Center (TDC).
CAMSHAFT TIMING
1. ApplyPolarisPremiumStarter Drivegrease tothe
camshaft main journals and cam lobes. Lubricate
automatic compression release mechanism with
clean engine oil. (To install the compression
release mechanism, refer to page 3.23).
2. Install the camshaft with the lobes facing
downward and the sprocket alignment pin facing
upward.
3. Disconnectthewirefromthecamchainandrotate
the engine to align the single
(TDC ) timing mark
(Top Dead Center) on the flywheel with the notch
in the timing inspection window . Be sure to use
thesingle TDC mark wheninstalling the cam. Do
not use the advance marks. See Ill. on next page.
Single (TDC)
Mark Aligned
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