Tracker Off-Road 500S Service Manual page 50

NOTE: The manufacturer recommends the use of

new gaskets, lock nuts, and seals, and lubricating all
internal components when servicing the engine/trans-
mission.
1. Remove the cap screws securing the two tappet cov-
ers. Remove the two tappet covers. Account for the
O-rings.
FI603
 NOTE: Keep the mounting hardware with the cov-
ers for assembly purposes.
2. Remove the cylinder head cover cap screws. Note
the rubber washers on the four top-side cap screws;
remove the cylinder head cover. Note the orientation
of the cylinder head plug and remove it. Note the
location of the two alignment pins.
FI606A
MD1354A
3. Remove the cap screw from the tension adjuster;
then using a flat-blade screwdriver, relax the cam
chain tension by rotating the adjuster screw clock-
wise until it locks.
48
FI607A
FI608
4. Bend the washer tabs and remove the two cap screws
securing the sprocket to the camshaft.
FI612
5. Using an awl, rotate the C-ring in its groove until it is
out of the cylinder head; then remove the C-ring.
FI613
 NOTE: Care should be taken not to drop the C-ring
down into the crankcase.