New Piston Kit 101Mm Compatible With Yamaha Grizzly 660 Hunter 2002-2006 Raptor 660 2001-2005 Rhino

CROSS REFERENCE PART NUMBERS:
• Yamaha 3YF-11638-00-00
• Yamaha 2C6-11638-00-00
• Pro-X 01.2660.100

ITEM SPECIFICATIONS:
• Component: Piston Kit (1mm Oversize)
• Piston Size: 101mm (1mm Oversize)
• Bore x Stroke: 100.0mm x 84mm (Standard)
• Displacement: 660cc (Single-Cylinder)
• Compression Ratio: 9.1:1
• Kit Contents: Piston, Rings, Wrist Pin, Circlips
• Material: Forged Aluminum Alloy Piston
• Engine: Liquid-Cooled 4-Stroke 5-Valve SOHC
• Model Years: 2001-2007 (Yamaha Grizzly/Raptor/Rhino 660)

COMPATIBLE MODELS:
Yamaha 660cc ATVs:
• Grizzly 660 (2002-2006) — Hunter, LE, SE, Ducks, Wetland Editions
• Raptor 660 (2001-2005) — LE, SE Editions
Yamaha 660cc UTVs:
• Rhino 660 (2004-2007) — Hunter, SE, Ducks, Exploring Editions

PRODUCT DETAILS:
This 1mm oversize piston kit is designed for the Yamaha 660cc liquid-cooled 4-stroke 5-valve SOHC single-cylinder engine used across the Grizzly 660, Raptor 660, and Rhino 660 model families. The 101mm oversize piston provides optimal piston-to-wall clearance for proper ring seal and compression in cylinders bored 1mm over the standard 100mm bore. Each kit includes forged aluminum alloy piston, precision-fitted piston rings, hardened wrist pin, and retaining circlips for the Yamaha 660cc engine. Manufactured using premium forged aluminum alloy and precision machined on CNC equipment for consistent dimensions and reliable performance in demanding ATV and UTV applications.

PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.

WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov