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Yamaha YXZ1000R / Textron Wildcat XX CRANKSHAFTS
BC crankshafts are designed with the Yamaha Sidewinder oil pump drive gear for added oil pressure. This feature requires a Sidewinder oil pump, or simply the smaller diameter Sidewinder drive sprocket that can be bolted to the YXZ pump. These cranks fit all Yamaha Genesis 3 cylinder / 4 stroke applications, including the Yamaha Nytro, Yamaha Vector and Yamaha Viper snowmobile platforms, plus some Yamaha Wavrunner applications. BC crankshafts are made from the finest, aerospace grade 4340 steel billet material. CNC machined on state of the art, 5 axis Mazak Integrex 300-IV CNC machines to exacting tolerances (.0001"). Every crankshaft features large radius journals that add rigidity for high horsepower, high boost, high rpm applications. Gun drilled, CNC ground oil holes feature a smooth surface for extra oiling, tear dropped for added oil scoop, cBME drilled for priority main feeding to the rods and micro polished to a mirror finish for optimum bearing lubricity. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights are designed for reduced windage through the crankcase creating less oil resistance for better rpm potential.

Part # Description # Stroke Crank Pin Main Buy Now Status
BC5950 CRANKSHAFT - Yamaha YXZ1000R / Textron XX (Stock Stroke), 4340 Billet 66.2mm 38.00mm 37.00mm In-Stock
BC5951 CRANKSHAFT - Yamaha YXZ1000R / Textron XX (+4.8mm Stroke), 4340 Billet 71mm 38.00mm 37.00mm In-Stock
Note: Requires Sidewinder oil pump sprocket for operation (#8KJ-13355-00-00).
YAMAHA SIDEWINDER OIL PUMP DRIVE GEAR
All BC Yamaha YXZ crankshafts are manufactured with the Yamaha Sidewinder oil pump gear which requires installing the smaller diameter Sidewinder oil pump drive gear on your existing oil pump.
Part # Description # Buy Kit Status
BC8805 Yamaha Sidewinder oil pump drive gear (#8KJ-13355-00) EMAIL
619.749.9018 ph
619.749.9128 fx
Some products listed are not legal for sale or use on emission controlled motor vehicles, RPM ranges vary on application.Warranty Information Copyright © Brian Crower Inc. All rights reserved..
WARNING: This product can expose you to chemicals, including Chromium (hexavalent compounds), lead and lead compounds, which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.p65warnings.ca.gov