2012 Polaris 550 IQ LXT Owners Manual - Page 103

TROUBLESHOOTING Engine Troubleshooting Unless you have experience and training in two-cycle engine repair, see your dealer if technical problems arise. Problem Erratic engine operating RPM during acceleration or load variations Probable Cause Solution Drive clutch binding • Disassemble drive clutch to inspect shift weights for wear and free operation. SEE YOUR DEALER. • Clean and polish stationary shaft hub. • Replace ramp buttons and rollers. SEE YOUR DEALER. • Inspect movable sheaves for excessive bushing clearance and replace if necessary. SEE YOUR DEALER. • Replace the drive belt. • SEE YOUR DEALER. Driven clutch malfunction Harsh drive clutch engagement Drive belt worn or too narrow Excessive belt/ sheave clearance Drive belt turns over Wrong belt for appli- • Replace the drive belt. cation Clutch alignment out of spec Engine mount broken or loose • Adjust alignment offset. SEE YOUR DEALER. • Inspect and adjust or replace. SEE YOUR DEALER. • Check for twisted belt, broken spring, sticking weights, lubrication. SEE YOUR DEALER. • Foreign object may be caught or the rail slide melted to the track clips due to lack of lubrication. • Track may be iced up or frozen to the ground. • Chain is loose or broken or chain tightener is loose. SEE YOUR DEALER. • Shift to forward or restart the engine to clear the misfire mode. Machine fails to move Clutch jammed Track jammed Chaincase sprocket or chain jammed or broken Engine stutters in reverse Misfire mode has activated to prevent engine overheat 99