Wiseco Piston Kit for 1987-13 Yamaha YFM350 Warrior/Raptor - 83.00mm Cylinder - 4419M08300

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Wiseco Performance Piston KitPart Number: 4419M08300Piston Size: 83.00mm These kits contain everything you need to complete your piston repair, the first time Dedicated forgings us ed for superior strength to weight ratio utilizing aerospace alloy. High Performance ring kit and alloy pin included with each piston kit for extended life and sustained power. Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including Supercross, Motocross, GNCC, Superbike, and more. All Piston Kits are precision crafted and forged in the USA Wiseco leads the performance aftermarket by producing the highest quality forged pistons for Dirt Bikes, ATV's, Snowmobiles, Outboard Marine, and Motorcycles right here in the USA. Wiseco is unique because we forge all of our own pistons in house, and produce all of our own forge tooling right here in the USA. Extreme racing conditions demand the strength and toughness that only forged pistons can offer. Compared to cast pistons, forgings are tougher and more durable, and will stand up to the abuse that high performance motorsport applications require. Most castings are brittle, have no grain structure and tend to fail catastrophically when the material yield strength is exceeded. Forgings have condensed grain that is aligned to the features of the part, which produces higher mechanical properties, and resistance to impact and fatigue. Each forging is designed to optimize the strength-to-weight ratio, and maximize performance. In addition, in-house dyno testing gives Wiseco the ability to develop state-of-the-art technology such as new shapes, coatings, and components, and lead the industry through rigorous R&D.Fits: 2007-14 Yamaha YFM350 Grizzly2005-13 Yamaha YFM350R Raptor2004-06 Yamaha YFM350 Bruin1987-04 Yamaha YFM350 Warrior1999 Yamaha BW350T1999 Yamaha YFM350 Moto 41989-99 Yamaha YFM350WT Big Bear Displacement: 349cc Standard Piston Size: 83.00mm Bore Oversize: STD Stroke: 64.50mm Compression Ratio: 10.25 : 1 Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Wiseco Piston Kit Part Number 4419M08300 Fitment Type Unit Sale Qty Each Style Material Color Size 83.00mm Finish Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston/Cylinder Size 83.00mm Piston Size Added Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration Muffler Size Muffler End/Tip Style Windshield Height Windshield Width Handlebar Diameter Ca ARB Compliance Non CARB Complaint CARB Compliant Product Disclaimer Items Included (1) 83.0mm piston (1) 3268XC ring set (2) CW19 circlips (1) S376 wrist pin Fitments 1988 Yamaha BW350 Big Wheel 1987 Yamaha BW350 Big Wheel 2004 Yamaha YFM350 Raptor 1995 Yamaha YFM350ER Moto 4 1994 Yamaha YFM350ER Moto 4 1993 Yamaha YFM350ER Moto 4 1992 Yamaha YFM350ER Moto 4 1990 Yamaha YFM350ER Moto 4 1989 Yamaha YFM350ER Moto 4 1988 Yamaha YFM350ER Moto 4 1987 Yamaha YFM350ER Moto 4 1999 Yamaha YFM350FH Big Bear 4x4 Hunter Edition 1996 Yamaha YFM350FW Big Bear 4x4 1995 Yamaha YFM350FW Big Bear 4x4 1994 Yamaha YFM350FW Big Bear 4x4 1993 Yamaha YFM350FW Big Bear 4x4 1992 Yamaha YFM350FW Big Bear 4x4 1991 Yamaha YFM350FW Big Bear 4x4 1990 Yamaha YFM350FW Big Bear 4x4 1989 Yamaha YFM350FW Big Bear 4x4 1988 Yamaha YFM350FW Big Bear 4x4 1987 Yamaha YFM350FW Big Bear 4x4 1997 Yamaha YFM350FW Big Bear 4x4 SE 1999 Yamaha YFM350FWB Big Bear 4x4 1998 Yamaha YFM350FWB Big Bear 4x4 1997 Yamaha YFM350FWB Big Bear 4x4 2005 Yamaha YFM350FX Wolverine 4x4 2004 Yamaha YFM350FX Wolverine 4x4 2003 Yamaha YFM350FX Wolverine 4x4 2002 Yamaha YFM350FX Wolverine 4x4 2001 Yamaha YFM350FX Wolverine 4x4 2000 Yamaha YFM350FX Wolverine 4x4 1999 Yamaha YFM350FX Wolverine 4x4 1998 Yamaha YFM350FX Wolverine 4x4 1997 Yamaha YFM350FX Wolverine 4x4 1996 Yamaha YFM350FX Wolverine 4x4 1995 Yamaha YFM350FX Wolverine 4x4 2011 Yamaha YFM350G Grizzly 2010 Yamaha YFM350G Grizzly 2009 Yamaha YFM350G Grizzly 2008 Yamaha YFM350G Grizzly 2007 Yamaha YFM350G Grizzly 2013 Yamaha YFM350R Raptor 2012 Yamaha YFM350R Raptor 2011 Yamaha YFM350R Raptor 2010 Yamaha YFM350R Raptor 2009 Yamaha YFM350R Raptor 2008 Yamaha YFM350R Raptor 2007 Yamaha YFM350R Raptor 2006 Yamaha YFM350R Raptor 2005 Yamaha YFM350R Raptor 2007 Yamaha YFM350RSE Raptor Special Edition 2006 Yamaha YFM350RSE Raptor Special Edition 2005 Yamaha YFM350RSE Raptor Special Edition 2007 Yamaha YFM350RSE2 Raptor Special Edition 2 1999 Yamaha YFM350U Big Bear 2x4 1998 Yamaha YFM350U Big Bear 2x4 1997 Yamaha YFM350U Big Bear 2x4 1996 Yamaha YFM350U Big Bear 2x4 2004 Yamaha YFM350X Warrior 2003 Yamaha YFM350X Warrior 2002 Yamaha YFM350X Warrior 2001 Yamaha YFM350X Warrior 2000 Yamaha YFM350X Warrior 1999 Yamaha YFM350X Warrior 1998 Yamaha YFM350X Warrior 1997 Yamaha YFM350X Warrior 1996 Yamaha YFM350X Warrior 1995 Yamaha YFM350X Warrior 1994 Yamaha YFM350X Warrior 1993 Yamaha YFM350X Warrior 1992 Yamaha YFM350X Warrior 1991 Yamaha YFM350X Warrior 1990 Yamaha YFM350X Warrior 1989 Yamaha YFM350X Warrior 1988 Yamaha YFM350X Warrior 1987 Yamaha YFM350X Warrior 2009 Yamaha YFM350X Wolverine 2x4 2008 Yamaha YFM350X Wolverine 2x4 2007 Yamaha YFM350X Wolverine 2x4 2006 Yamaha YFM350X Wolverine 2x4 Show more