Description
Rebuild Your 1998–2018 Polaris FAN 550 Engine with REV6
The Polaris FAN 550 has powered countless snowmobiles for riders who depend on reliable winter performance. If your engine has suffered from low compression, internal wear, or mechanical damage, our Build Core engine rebuild service restores your original engine so you can get back on the snow with confidence.
Every rebuild starts with your rebuildable engine core. Once it arrives at REV6, our technicians inspect every major component, perform the required machine work, rebuild the engine to specification, and complete a final quality inspection before returning it to you.
Service Overview
- Service: Build Core Engine Rebuild
- Fits: Polaris FAN 550 (1998–2018)
- Core Required: Yes
- Warranty: 1-Year No-Fault Warranty Included
- Optional Coverage: Upgrade to our 2-Year No-Fault Warranty
- Financing: Available
- Shipping: Nationwide with tracking information provided
Engine Rebuild Includes
- Complete engine teardown, cleaning, and inspection
- Engine cases cleaned, inspected, and prepared for assembly
- Crankshaft inspected and rebuilt as needed
- Cylinders inspected, machined, or replaced as required
- New moly-coated piston kits with rings, wrist pins, and circlips
- New seals and gaskets installed throughout the engine
- Bottom-end components inspected for wear
- Engine assembled to specification
- Final quality inspection before shipment
Build Core Information
This service requires your rebuildable Polaris FAN 550 engine core. Once your order is placed, our team will explain the shipping process, answer your questions, and help you prepare your engine for shipment to REV6.
Every engine is inspected individually before rebuilding begins. If damaged or unusable components are found outside the standard rebuild process, we’ll contact you with recommendations and obtain approval before completing any additional work.
Warranty & Financing
Your rebuilt Polaris FAN 550 engine includes our 1-Year No-Fault Warranty. Riders who want additional protection can also upgrade to our optional 2-Year No-Fault Warranty.
Learn more by visiting our Warranty Policy. Flexible payment options are available through our Financing page.
Looking for Polaris Snowmobile Parts?
If you’re rebuilding your own engine, browse our Polaris snowmobile parts catalog for replacement parts and rebuild kits. You can also compare available options using our Engine Rebuild Kit Guide.
Prepare for Your Next Ride
Place your order when you’re ready, send us your rebuildable Polaris FAN 550 engine core, and we’ll handle the inspection, rebuilding, and final quality checks before returning your engine ready for installation.
Eligible veterans and active-duty military personnel can receive exclusive REV6 discounts. Ask our team about available military savings before placing your order.













