2000 Arctic Cat ATV Factory Service Manual, Page 28Get this manual

2000 Arctic Cat ATV Factory Service Manual, Page 28

(Valve Adjuster Procedure) To check and adjust valvetappet clearance, use the following procedureNOTE: On the 250300 cc,
tappet adjuster screw4While holding the valve adjuster dial in place, use the valve adjuster handle and loosen the jam nut;
then rotate the tappet adjuster screw clockwise until friction is felt5Align the valve adjuster handle with one of the marks
on the valve adjuster dial6While holding the valve adjuster handle in place, rotate the valve adjuster dial counterclockwise
until proper valvetappet clearance is attainedNOTE: Refer to the appropriate Specifications for the proper valvetappet clearanceN
OTth valve adjust di counterclockwise will open the valvetappet clearance by 0.05 mm (0.002 in per mark Testing Engine Compression
To test engine compression, use the following procedure1Remove the high tension lead from the spark plug2Using compressed
air, blow any debris from around the spark plug ! WARNING Always wear safety glasses when using compressed air 7While holding