Yamaha Raptor 660 Complete Big Bore + Stroker Rebuild Kit – 102mm | Stage 3 | Titanium Studs

Yamaha Raptor 660 Complete Big Bore + Stroker Rebuild Kit – 102mm | Stage 3 | Titanium Studs

Regular price$1,999.99
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Built to dominate. All-in-one performance rebuild kit for your 660.
This full engine rebuild kit fits all 2001–2005 Yamaha Raptor 660 models and features a 102mm big bore cylinder, 4mm stroker crank, and top-tier internals like a Stage 3 Hotcam, Kibblewhite valve train, and titanium stud kit. Whether you're racing or building a serious weekend warrior, this kit gives you pro-level power and reliability in one package.

From forged pistons to high-temp seals and a Cometic MLS big bore gasket, every component is designed to handle extreme power, heat, and abuse — while offering a complete solution from crank to valve cover.


✅ What’s Included:

  • 102mm Big Bore Cylinder (aftermarket)

  • JE or CP Forged Stroker Piston

  • High-Temp Piston Rings

  • Chrome Wristpin + Circlips

  • Hotrods 4mm Stroker Crankshaft with Rod (Assembled)

  • Main Bearings (1 pre-installed on crank)

  • Transmission Bearings

  • Shift Cam Bearing

  • Water Pump Bearing

  • Clutch Arm Needle Bearings

  • Counter Balancer Bearings

  • Stage 3 Hotcam

  • Kibblewhite Valve Spring Kit

  • Kibblewhite Black Diamond Stainless Valves

  • Rocker Arms & Shafts

  • Titanium Head Stud Kit

  • Complete Gasket Set

  • Cometic MLS Big Bore Head Gasket

  • Engine Seal Kit

  • Valve Stem Seals

  • Water Pump Mechanical Seal

  • Talon Clutch Kit

  • Cam Chain

  • NGK Spark Plug


🔧 Fitment:

Fits all 2001–2005 Yamaha Raptor 660 models.


🛡️ Warranty Information:

We stand behind all parts we sell.
Key Terms:

  • General Warranty: Covers manufacturer defects only. Installation-related issues are not covered.

  • STUD WARRANTY: If a stud fails during use (not installation), a new full stud kit will be sent.

⚠️ This is not a DIY kit. Installation must be done by a qualified mechanic. Any warranty claim requires physical return of the part(s) for inspection. No exceptions.

We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.

We don't do backorder! If your items has already sold you will be notified immediately and you money refunded on the spot.

Sold items are removed daily.

If you see it on this website, it is 100% in stock unless it just sold before you clicked buy.

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