Content Source: 2019 850 PRO-RMK / SKS 155 Owner’s Manual (9928946 R01) > Troubleshooting Chapter

IMPORTANT

The Owner's Manual for this vehicle contains warnings, instructions and other information you must read and fully understand before safely riding or performing maintenance on this vehicle.Always follow the warnings and instructions in Owner's Manual.

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Drive System Troubleshooting

Problem

Probable Cause

Solution

Machine fails to move

Clutch jammed

Check for twisted belt or broken spring. Your POLARIS dealer can assist.

Track jammed
  • 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.

Chaincase sprocket or chain jammed or broken

Chain is loose or broken or chain tightener is loose. Your POLARIS dealer can assist.

Sheared teeth on QUICKDRIVE belt

Replace QUICKDRIVE belt.

Broken QUICKDRIVE belt

Replace QUICKDRIVE belt.

Ratcheting or jerky drive-away from slow speed

Sheared teeth on QUICKDRIVE belt

Replace QUICKDRIVE belt.

Drive belt surface flat spots

Inspect and replace as needed.

Noise in drive system

Broken drive clutch components

Your POLARIS dealer can assist..

Bearing failure/ chaincase, jackshaft, or front drive shaft

Your POLARIS dealer can assist..

Drive belt surface flat spots

Inspect and replace as needed.

Drive chain loose or worn, sprocket teeth broken
  • Inspect and adjust, or replace.
  • Your POLARIS dealer can assist..

Sheared teeth on QUICKDRIVE belt

Replace QUICKDRIVE belt.

Harsh drive clutch engagement

Worn or narrow belt

Replace the drive belt.

Excessive belt/sheave clearance

Your POLARIS dealer can assist.

Drive belt turns over

Wrong belt

Replace the drive belt.

Clutch alignment out of spec

Your POLARIS dealer can assist.

Engine mount broken or loose

Inspect and replace. Your POLARIS dealer can assist..

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