Description

Worn bearings, crank journals that have looser tolerance, or oil-seal leaks can make your Polaris RMK 600 snowmobile feel tired. You might notice extra vibration, a rough idle, or even oil leaking from the lower case. That’s why upgrading the bottom end is one of the smartest moves to restore reliable engine performance.

This Complete Bottom End Rebuild Kit supplies the essential parts: a direct-replacement crankshaft, a full gasket kit including oil seals, and the correct water-pump mechanical seal. Altogether, these new components help restore precision alignment, tighten internal seals and prepare the engine for many more miles of demanding snow use. Many riders also review our RMK 600 Top End Rebuild Kit when planning a full rebuild.

If you need help with compatibility or installation, our FAQ section is ready to assist. All of our parts kits come with a 1-year, no-questions-asked warranty—terms available on our warranty policy page. First-time online buyers can visit our Help Center for shipping and preparation guidance. For direct assistance, reach our team through the contact page. For additional snowmobile engine tips, check out our blog.

THIS KIT INCLUDES

• (1) Direct Replacement Crankshaft — Replaces OEM #: 2203580 (these cranks are spec’d and rebuilt to-order. this may increase lead time on your order.)
• (1) Complete Gasket Kit (includes oil seals) — Replaces OEM
• (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 today and get your Polaris RMK 600 back to strong, dependable performance. Veterans and active servicemembers can also ask about the discounts we proudly offer.