Wiseco Crankshaft Kit - Yamaha YFM660F Grizzly/YXR660F Rhino (2002-2008) - Complete Bottom End Rebuild
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Wiseco Crankshaft Kit - Yamaha 660 Grizzly & Rhino - Complete Bottom End
Premium Wiseco complete crankshaft kit for Yamaha YFM660F Grizzly 4x4 utility ATV and YXR660F Rhino 660 UTV. Factory assembled and precision trued to OEM specifications!
Kit Includes
- Crankshaft Assembly (Factory Assembled & Trued)
- Bottom End Gasket Kit
- Main Bearings
Key Features
- Factory Assembled - Precision trued to OEM specifications
- Double-Forged Connecting Rods - Superior dimensional consistency through improved grain flow
- Shot-Peened - Eliminates residual stresses, smoothly blends rod forging surfaces
- Corrosion-Resistant Surface Treatment
- Optimized Crank Pin Bearing Clearance - Maximum performance
- Precision Honed - Ultra round bearing surface
- Double-Drilled Small Ends - Extra piston pin lubrication and cooling
- Precision Engineered Oiling Slots - Maximum rod strength and bearing life
Specifications
- Material: Steel
- Stroke Length: 84.00 mm
- Displacement: 660cc
- Weight: 19.02 lbs
Fitment
- Yamaha YFM660F Grizzly 4x4: 2002-2006
- Yamaha YFM660FG Grizzly 4x4: 2007-2008
- Yamaha YFM660FA Grizzly 4x4: 2007-2008
- Yamaha YXR660F Rhino 660: 2004-2007
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.
