Athena Cylinder Piston & Gasket Rebuild Kit - Yamaha YZ85 105cc Kit 2002 - 2017
Big Bore Cylinder Kit (105cc) designed for Yamaha`s smallest MX model. This kit and requires the bottom cases to be modified. Completely redesigned, the cylinder has been developed to increase horsepower while maintaining long term reliability. Features include - 25% increase in piston surface, expanded intake port, unique 2 stage booster exhaust port (eliminating the bridged port) and a larger water jacket for superior cooling.
Technical Information:
- Cylinder Bore: Athena 53 mm (OEM 47.5 mm)
- Stroke: Athena 47.8 mm (OEM 47.8 mm)
- Displacement: Athena 105 cc (OEM 84.7 cc)
- Compression Ratio: Athena 13.8:1 (OEM 8.2:1)
- Power at the Rear Wheel: Athena 18.1 kw / 24.2 hp / 11200 rpm (OEM 15.7 kw / 21.0 hp / 11300 rpm)
Features:
- Aluminum cylinder with nickel-carbide coating
- Complete piston kit, rings, circlips
- Complete top end gasket kit
- Easy to follow step-by-step installation instructions
- We recommend this kit to be fitted by a qualified mechanic
Fitment Details
- Yamaha YZ85 2002
- Yamaha YZ85 2003
- Yamaha YZ85 2004
- Yamaha YZ85 2005
- Yamaha YZ85 2006
- Yamaha YZ85 2007
- Yamaha YZ85 2008
- Yamaha YZ85 2009
- Yamaha YZ85 2010
- Yamaha YZ85 2011
- Yamaha YZ85 2012
- Yamaha YZ85 2013
- Yamaha YZ85 2014
- Yamaha YZ85 2015
- Yamaha YZ85 2016
- Yamaha YZ85 2017
- Yamaha YZ85 2018
(14.P400485100038)
SKU | 14.P400485100038 |
Brand | Athena |