Description
Polaris Ranger & Sportsman 700 Crankshaft
The crankshaft is the foundation of your engine’s rotating assembly. If the journals are worn, damaged, or no longer within specification, installing new bearings alone won’t restore proper oil clearance. Replacing the crankshaft during an engine rebuild helps protect the rest of your investment.
Whether you’re rebuilding after a bearing failure or refreshing a high-hour engine, starting with a properly matched crankshaft helps establish the clearances needed for dependable operation.
What This Kit Includes
- Crankshaft
When Should You Replace the Crankshaft?
Crankshaft damage is commonly found after bearing failures, oil starvation, overheating, or excessive engine hours. If the journals cannot be polished or machined back to specification, replacement is the best way to ensure proper bearing fit and oil pressure during assembly.
- Direct replacement crankshaft.
- Designed for complete engine rebuilds.
- Supports proper bearing clearance.
- Helps restore smooth engine operation.
Compatible Polaris Models
- 2003-2012 Polaris Ranger 700
- 2003-2012 Polaris Sportsman 700
If you’re unsure whether your crankshaft can be reused, Contact REV6. Our team can help you determine the best repair option before you begin your rebuild.
Complete Your Polaris Ranger & Sportsman 700 Bottom-End Rebuild
Replacing the crankshaft? Pair it with the Polaris Ranger & Sportsman 700 Complete Bottom End Rebuild Kit for bearings, seals, and gaskets.
If your piston and camshaft also need replacement, step up to the Polaris Ranger & Sportsman 700 Engine Rebuild Kit.
Need a complete overhaul with a new cylinder and valve train components? Compare the Polaris Ranger & Sportsman 700 Master Engine Rebuild Kit.
Browse the Polaris Sportsman 700 Parts Catalog for additional engine components and rebuild kits.
Build the Engine on a Solid Foundation
The crankshaft supports every rotation your engine makes. Installing a replacement crankshaft when the original is worn helps establish proper oil clearances, protects new bearings, and gives your rebuild the best chance for a long service life. Every REV6 crankshaft includes a 1-year warranty.













