2016 Polaris 600 Switchback Assault 144 Owners Manual - Page 127

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 Harsh drive clutch engagement Probable Cause Solution Drive clutch binding Driven clutch malfunction Drive belt worn or too narrow Excessive belt/ sheave clearance Wrong belt for application Clutch alignment out of spec Engine mount broken or loose Clutch jammed Track jammed • SEE YOUR DEALER. • SEE YOUR DEALER. • Replace the drive belt. • SEE YOUR DEALER. • Replace the drive belt. • SEE YOUR DEALER. • Inspect and replace. SEE YOUR DEALER. • Check for twisted belt or broken spring. 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. • SEE YOUR DEALER. • SEE YOUR DEALER. • Inspect and replace as needed. • Inspect and adjust (or replace). • SEE YOUR DEALER. • Inspect and replace as needed. • SEE YOUR DEALER. • SEE YOUR DEALER. • Use 87-91 octane fuel (or higher). Drive belt turns over Machine fails to move Noise in drive system Poor low RPM performance Chaincase sprocket or chain jammed or broken Broken drive clutch components Bearing failure/ chaincase, jackshaft, or front Drive belt surface flat spots Drive chain loose Drive chain worn, sprocket teeth broken Worn drive belt Excessive belt/ sheave clearance Sticky clutch Poor fuel quality 125