Description
Features:
- Forged from high-silicon aluminum alloy for maximum strength and dependability
- Contain all necessary components for overboring or rebuilding your top end
- Feature forged pistons, rings, wrist pins, circlips, and top end gasket
- Cylinder sleeves must be purchased separately
- Have additional features over standard Pro-Lite parts
- Each piston is E-coated on the crown, ring grooves, and pin bore for maximum wear resistance and protection from micro-welding, galling, and detonation
- Generally have less machining on the outside, which helps seal up the bore for increased compression
- Additionally, boost ports are removed for a more predictable powerband and increased pull on the top end
Specifications:
- Product Name: Rebuild Kit
- Type: Top End
- Model: Racer’s Choice
- Piston Material: Aluminum / Forged
- Bore Size: 52.50 mm
- Bore – Oversize: Standard / Standard
- Displacement: 103,5 cc
- Stroke Length: 47.80 mm
- Cooling System: Liquid Cooled
- Units: Each
- Riding Style: Off-Road
Fitment:
| Year | Make | Model |
| 2002 | Yamaha | YZ 85 |
| 2003 | Yamaha | YZ 85 |
| 2004 | Yamaha | YZ 85 |
| 2005 | Yamaha | YZ 85 |
| 2006 | Yamaha | YZ 85 |
| 2007 | Yamaha | YZ 85 |
| 2008 | Yamaha | YZ 85 |
| 2009 | Yamaha | YZ 85 |
| 2010 | Yamaha | YZ 85 |
| 2011 | Yamaha | YZ 85 |
| 2012 | Yamaha | YZ 85 |
| 2013 | Yamaha | YZ 85 |
| 2014 | Yamaha | YZ 85 |
| 2015 | Yamaha | YZ 85 |
| 2016 | Yamaha | YZ 85 |
| 2017 | Yamaha | YZ 85 |
| 2018 | Yamaha | YZ 85 |
| 2019 | Yamaha | YZ 85 |
| 2020 | Yamaha | YZ 85 |
