1985-1995 Polaris ATV and Light Utility Hauler Service Manual, Page 292Get this manual
ENGINES Magnum Engine Disassemblyllnspection Automatic Compression ReleaseRemovall Inspection
NOTE: The automatic compression release mechanism can be inspected and serviced without removing the camshaft from the cylinder headThe actuator ball in the camshaft is not replaceableReplace the camshaft as an assembly if the actuator ball is worn or damaged
1Check release lever shaft for smooth operation throughout the entire range of rotationThe spring should hold the shaft weight against the stop pinIn this position, the actuator ball will be held outward in the compression release mode2Remove release lever shaft and return spring3Inspect shaft for wear or galling4Inspect lobe on end of release lever shaft and actuator ball for wear and replace if necessary