Description

The Polaris RMK 600 is a serious snowmobile when the engine is fresh, but once the top-end parts begin to wear out, the performance fades quickly. You’ll feel less pull, the cold start takes longer, and engine temps climb higher. That’s why this Complete Engine Rebuild Kit gives you the key parts needed to bring your 600 Cleanfire twin back to strong, consistent trail performance.

This package includes new Nikasil-plated cylinders, matched piston kits with rings and circlips, needle cage bearings, a complete gasket kit with oil seals, and the correct water pump mechanical seal. As a result, this parts kit helps restore compression, sharpen throttle response, and reduce the chance of future top-end failures. If you’re reviewing your options, many riders also consider our RMK 600 Master Engine Rebuild Kit as an alternative.

Each component is built for real snow and tough conditions. Experienced RMK riders know these engines perform best when worn internal parts are replaced with upgraded components. For fitment or rebuild questions, our FAQ page is your quick go-to.

Every parts kit we ship includes our 1-year, no-questions-asked warranty. You can view full policy details in the warranty policy section. If you’re new to ordering snowmobile parts online, our Help Center guides you through shipping and rebuild prep. For direct support, you can reach out via our contact page, and for more engine-performance tips our blog is full of helpful info.

THIS KIT INCLUDES

• (2) New Nikasil Plated Cylinders — Replaces OEM #: 3021718
• (2) Piston Kits (rings, circlips, wrist pins) — Replaces OEM #: 2204122, 2203899
• (2) Needle Cage Bearings — Replaces OEM #: 3514365
• (1) Complete Gasket Kit (includes oil seals)
• (1) Water Pump Mechanical Seal — Replaces OEM #: 3610067

FITMENT

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

Order your rebuild kit now and bring your Polaris RMK 600 back to high-level performance. Veterans and active servicemembers can also ask about the discounts we proudly offer.