C7798,4811M10200,4966M10200,5KM-11310-00-00,80-82600,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

Yamaha 660 102mm Nikasil Big Bore 686cc Top End Kit No Sleeve Needed

Product Overview

Upgrade your Yamaha Raptor, Rhino, or Grizzly 660 with BPRATVs 102mm +2mm Nikasil Big Bore Top End Kit. This drop-in-ready solution requires no case modifications and delivers enhanced performance, durability, and cooling efficiency.

Whats Included

• 102mm +2mm Big Bore Cylinder Nikasil-plated for superior heat dissipation and wear resistance
• Forged Piston Kit Wiseco, Wossner, CP Carrillo, or JE for unmatched strength and performance**
• Nitrite-Coated Piston Rings Enhanced sealing and longevity
• Chrome Wrist Pin & Circlips Durable and reliable components
• Cometic Top End Gasket Kit Includes 102mm Big Bore MLS Head Gasket for a perfect seal
• Talon Titanium Cylinder Head Stud Kit LIFETIME WARRANTY for maximum clamping force
• Heavy-Duty Cam Timing Chain Ensures precise valve timing
• Black Billet Cam Chain Tensioner Maintains optimal chain tension
• Chain Tensioner Gasket Ensures leak-free operation

Compatibility

Fits all Yamaha Raptor 660, Rhino 660, and Grizzly 660 models and years. No exceptions.

Benefits

• Increased Displacement Boosts engine capacity to 686cc for enhanced power
• Improved Cooling Nikasil plating dissipates heat more effectively
• Enhanced Durability Harder than steel, Nikasil ensures long-lasting performance
• Cost-Effective Maintenance Cylinder can be re-plated without boring or re-sleeving
• Easy Installation Bolt-on kit with no machining required

FAQs

• Is this kit compatible with stock crankshafts? Yes, it works with any stock stroke factory or aftermarket crankshaft.
• Do I need to modify my engine cases? No, this is a drop-in-ready kit requiring no case modifications.
• Can the cylinder be re-plated? Yes, the Nikasil cylinder can be re-plated repeatedly without boring or re-sleeving.
• What type of fuel is recommended? The piston is compatible with pump or race gas.
• Is a warranty included? Yes, a 1-year warranty applies to the complete kit.

Why Buy from ?

– The Best Parts. The Best Performance. The Best Price.
BRAPPPPPPPPPP!

We are an authorized distributor, and all parts are brand new in original packaging with the manufacturer’s warranty.

Upgrade your Yamaha 660 today with this premium Big Bore Top End Kit experience the difference!

LLC

C7798,4811M10200,4966M10200,5KM-11310-00-00,80-82600,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