Description

Rebuild the Foundation of Your XPEDITION Engine

If your Polaris XPEDITION engine has developed bottom-end damage, replacing worn rotating components during one teardown is the best way to restore long-term reliability. This Complete Bottom End Rebuild Kit includes the major components commonly replaced during a bottom-end rebuild, helping you complete the job with confidence while saving time sourcing individual parts.

Designed for 2024-2026 Polaris XPEDITION NorthStar ADV and XP models, this kit is an excellent choice when your cylinder, piston, and cylinder head remain serviceable but the crankshaft assembly and related components require replacement.

What This Kit Includes

• Crankshaft
• Connecting Rods
• Valve Cover Gasket
• Cam Chain
• Oil Pump Chain
• Water Pump Mechanical Seal/Oil Seal
• Complete Gasket Kit
• Oil Seal Set
• Engine Bearing Set

Before You Order

This Complete Bottom End Rebuild Kit is designed specifically for 2024-2026 Polaris XPEDITION NorthStar models equipped with the factory HVAC system.

Compatible models include:

• 2024-2026 Polaris XPEDITION NorthStar ADV
• 2024-2026 Polaris XPEDITION NorthStar ADV5
• 2024-2026 Polaris XPEDITION NorthStar XP
• 2024-2026 Polaris XPEDITION NorthStar XP5

Important: This kit does not fit 2024 XPEDITION Ultimate ADV or Ultimate XP models. Those models use a different crankshaft configuration. If you’re unsure which XPEDITION model you own, Contact REV6 before ordering and our team will help verify the correct rebuild kit.

When Is a Bottom End Rebuild the Right Choice?

A bottom-end rebuild is recommended when the crankshaft, connecting rods, bearings, or timing components show excessive wear or have failed, while the cylinder, piston, and cylinder head remain within service specifications. Replacing these components together helps restore engine reliability and reduces the likelihood of future failures.

• New crankshaft and connecting rods.
• Premium engine bearings and oil seals.
• Replacement cam chain and oil pump chain.
• Complete gasket coverage for reassembly.
• Designed for complete bottom-end engine repairs.

Complete Your XPEDITION Engine Build

If your rebuild also requires a new piston kit, upgrade to the XPEDITION Engine Rebuild Kit.

If your cylinder also needs replacement, compare the XPEDITION Complete Engine Rebuild Kit.

If your cylinder head requires new valves as well, choose the XPEDITION Master Engine Rebuild Kit for the highest level of engine coverage.

You can also browse the complete Polaris XPEDITION Parts Catalog for additional ProStar 1000 engine components.

Why Buy from REV6?

REV6 has more than 35 years of experience rebuilding and supplying premium powersports engine components. Every rebuild kit includes a 1-year warranty and ships nationwide from our Utah facility. Review our Warranty Policy, explore REV6 Financing, or Contact REV6 if you need assistance selecting the correct rebuild kit for your XPEDITION.