Description:

Wiseco Performance Top End Rebuild Kit

Part Number:PK1202
Piston Size: 47.50mm

• These kits contain everything you need to complete your rebuild the right way, the first time
• High Performance ring kit and alloy pin included with each piston kit for extended life and sustained power
• Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy
• All Piston Kits are precision crafted and forged in the USA

Wiseco's complete Top-End Piston Kits are offered for nearly every popular application in the powersports market. These kits contain everything you need to complete your rebuild the right way, the first time. High quality parts specifically chosen by us to match our forged pistons are included in this kit for easy one stop shopping. 2-stroke kits feature our Pro-Lite pistons that are CNC machined for optimal cam shape and profile for peak HP and service life. 4-stroke kits feature a race-ready dome finish with smooth edges for improved combustion flow. Horizontal slot-pin oiling reduces friction and provides scuff resistance, along with a pressure seal groove for maximum ring seal. 4-stroke race applications feature Wisecos Armor Glide skirt coating to provide reduced friction and noise to contribute to increased horsepower. Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including Super-cross, Motocross, GNCC, Super-bike, and more.

• Displacement: 85cc
• Piston StandardBore: 47.50mm
• OversizeBore: STD
• Stroke: 47.80mm

Product Details

Items Included

(1) W5983 Top End Gasket Kit
(1) 805M04750 Piston Kit
(1) B1012 Top End Bearing

Fitments

2019 Yamaha YZ85
2018 Yamaha YZ85
2017 Yamaha YZ85
2016 Yamaha YZ85
2015 Yamaha YZ85
2014 Yamaha YZ85
2013 Yamaha YZ85
2012 Yamaha YZ85
2011 Yamaha YZ85
2010 Yamaha YZ85
2009 Yamaha YZ85
2008 Yamaha YZ85
2007 Yamaha YZ85
2006 Yamaha YZ85
2005 Yamaha YZ85
2004 Yamaha YZ85
2003 Yamaha YZ85
2002 Yamaha YZ85