BPRATV 102mm Big Bore Cylinder Top End Rebuild Wiseco Piston Yamaha Grizzly 660
BPRATV 102mm Big Bore Cylinder Top End Rebuild Wiseco Piston Yamaha Grizzly 660
C7798,4811M10200,4966M10200,5KM-11310-00-00,80-82600,80-82600,YF-11181-00-00,810852,191070043070,3YF-11351-00-00,3YF-11181-00-00,2C6-11603-00-00,93450-24028-00,3YF-11631-00-X0,3YF-11633-01-00,90201-102G9-00,90105-10649-00,90105-09648-00,C7798-EST,DPR-8EA90-00-00,3YF-11310-01-00,261528,261527,272149,M1016B,8507D200<
Unlock the full power of your Yamaha 660 with this top-of-the-line Big Bore Top End Kit.
Squeeze every last ounce of power from your Yamaha 660 with this premium 686cc top end kit. The large 102mm +2mm bore size and top tier piston kit deliver a serious boost in horsepower and torque, This kit is engineered to handle the demands of high-performance riding, ensuring your Yamaha 660 can tackle the toughest terrain with confidence.
Fits Yamaha Raptor 660 / Rhino 660 / Grizzly 660 - All Years and Models
Drop In & Bolt On Ready. No case modification required.
The Best Parts In The Industry, At The BEST Price!
BPRATV Cylinder / Wiseco Piston / Cometic Gaskets
Kit Includes:
- BPRATV 102mm +2mm Big Bore Cylinder (1 year warranty)*
- Wiseco 102mm Big Bore Forged Piston Kit (includes OEM spec piston rings, wristpin, and circlips)
- Cometic Top End Gasket Kit with 102mm Big Bore MLS Head Gasket
1 year warranty for your peace of mind*
PROFESSIONAL INSTALLATION REQUIRED
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NOTICE REGARDING PHOTOS: Product photos used in our listings are for example only to show the high quality of our components. You will receive the correct quantity, size, and fitment of bearings, titanium fasteners, nuts, and bolts for the specific kit listed.
BEARING NOTICE: In some cases, you may receive SEALED bearings. If your application requires an OPEN bearing, the seals can easily be removed.
EMISSIONS & RACE USE ONLY: This product is exempt from emission standards and requirements of 40 C.F.R. § 1051 as provided by 40 C.F.R. § 1051.620, and California law [e.g., vehicle code §§ 27156 and 38391]. Sold ONLY for use with EPA-certified, purpose-built, nonroad vehicles used solely for closed course, nonroad competition/racing. Installation may void vehicle manufacturers' warranty and/or may be illegal in some locations.
WARRANTY & LIABILITY: © BPRATV LLC 1-year limited warranty from manufacturer for material/workmanship defects.* Due to the nature of high performance and racing, components are sold without express/implied warranty of merchantability or fitness for a specific purpose. BPRATV LLC shall not be liable for specific, incidental, or consequential damages (loss of property, equipment, profits, or revenue) resulting from sale, installation, or use of these parts. This product is NOT DIY; we strongly recommend work be done by a qualified, experienced mechanic.
RETURNS: Returns accepted within 30 days for items 100% complete, brand new, and in original packaging. Items installed or prepped (lubricated/sealed) are ineligible. For warranty consideration, parts MUST be sent back for physical inspection. No exceptions. We do not warranty based on photos, emails, or third-party assessments.
SPECIALTY WARRANTIES: Cub Cylinders: Lifetime warranty for original owner via BPRATV/Millennium Technologies inspection; covers cylinder only. Titanium Fasteners: Failure during use results in replacement only. Neither warranty covers improper tuning, installation, maintenance, or misuse.
INTERCHANGEABLE PARTS: We may substitute parts of equal quality from different manufacturers to prevent backorder delays. Prices and listings subject to change without notice.
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