2001 Arctic Cat ATVs factory service and repair manual, Page 421Get this manual
Fuel System
Problem: Starting impaired Condition 1Starter jet obstructed 2Starter tube obstructed 3Starter body carburetor leaking air 4Starter plunger not operating properly Problem: Idling or low speed impaired Condition 1Pilot jet pilot air jet obstructed loose 2Pilot outlet bypass obstructed 3Pilot screw setting incorrect 4Starter plunger not fully closed 5Float height incorrect Problem: Medium or high speed impaired Condition 1High RPM "cut out" against RPM limiter 2Main jet main air jet obstructed 3Needle jet obstructed 4Throttle valve not operating properly 5Filter obstructed 6Float height incorrect 7Starter plunger not fully closed Problem: Overflow and fuel level fluctuations Condition 1Needle valve worn damaged 2Needle valve spring broken 3Float not working properly 4Needle valve dirty 5Fuel level too high too low Remedy 1Replace needle valve 2Replace spring 3Adjust float height replace float 4Clean needle valve 5Adjust float height Remedy 1Shift into higher gear decrease speed 2Clean main jet air jet 3Clean needle jet 4Check throttle valve operation 5Clean filter 6Adjust float height 7Close plunger Remedy 1Clean tighten jet(s) 2Clean outlet bypass 3Adjust pilot screw 4Adjust plunger 5Adjust float height Remedy 1Clean jet 2Clean tube 3Tighten adjust replace gasket 4Check adjust plunger