🔧 Yamaha Raptor 700 Big Bore Engine Rebuild Kit – 105.5mm Cylinder & Crank

Give your Raptor the power upgrade it deserves 🏁 This complete 105.5mm big bore engine rebuild kit delivers maximum performance and reliability using only high-quality parts. No head or case mods required—just bolt it on and go.

✅ What’s Included:

• BPR 105.5mm big bore cylinder

• Wiseco, JE, or CP forged 105.5mm piston (based on availability)

• Nitrite-coated piston rings

• Chrome wristpin + circlips

• Hotrods OEM-replacement crankshaft assembly with rod

• Crank bearings (one pre-installed)

• Complete gasket kit

• Cometic MLS big bore head gasket

• Full engine seal kit

• Viton valve stem seals

• Water pump mechanical seal + bearing

• Heavy-duty timing chain

📦 Fitment:

Fits all Yamaha Raptor 700 and Raptor 700R models from 2006–2024, including:

• Special Edition, 50th Anniversary, Team Yamaha, and GYTR editions

• EFI and non-EFI models

• 55 total model variations covered

🛡️ Warranty Info:

Includes 1-year limited warranty*.
Important: This is not a DIY kit. Professional installation by an experienced engine builder is required. Improper install or tuning voids warranty. Alpha Cub cylinders and titanium studs are covered under specific terms—see full policy for details. All warranty claims require the return of the part for inspection.