Description

The Polaris RMK 600 is a dependable snowmobile, but when the internal parts begin to wear, performance drops fast. You’ll notice weaker pull, slower cold starts, and higher operating temperatures. Because of that, this Master Engine Rebuild Kit supplies the critical hard parts needed to bring your 600 Cleanfire engine back to strong, reliable running on the snow.

This master kit includes new Nikasil-plated cylinders, a direct-replacement crankshaft, matched piston kits with rings and circlips, needle cage bearings, a full gasket kit, and the correct water pump mechanical seal. As a result, this parts kit helps restore compression, sharpens throttle response, and reduces the chance of top-end failure. If you want to review other rebuild options, our engine rebuild kit guide offers helpful comparisons.

Every component is built to handle deep-snow riding and cold conditions. In fact, RMK riders know these engines perform best once the worn internal parts are refreshed. For quick answers on installation or model fitment, our FAQ page can help.

Every parts kit includes our 1-year, no-questions-asked warranty. You can review full coverage details in the warranty policy. If you’re new to ordering powersports parts online, the Help Center explains shipping steps and rebuild prep. You can also reach our team through the contact page, and for more snowmobile insight, our blog offers helpful articles.

THIS KIT INCLUDES

• (2) New Nikasil Plated Cylinders — Replaces OEM #: 3021718
• (1) Direct Replacement Crankshaft — Replaces OEM #: 2203580 (these cranks are spec’d and rebuilt to-order. this may increase lead time on your order.)
• (2) Piston Kits (rings, circlips, wrist pins) — Replaces OEM
• (2) Needle Cage Bearings — Replaces OEM
• (1) Complete Gasket Kit (includes oil seals)
• (1) Water Pump Mechanical Seal — Replaces OEM

FITMENT

• 2008, 2010–2011 Polaris RMK 600
• 2009 Polaris RMK Shift 600
• 2011 Polaris Shift 600

Order your rebuild kit now. This Master Rebuild Kit is built for riders who expect dependable mountain performance and parts that hold up. Veterans and active servicemembers can also ask about the discounts we proudly offer.