4894M08200 Piston Kit for Yamaha Nytro RTX 2008-2012 1049cc 82.00mm 9.5:1

Wiseco +3mm Piston for Yamaha Nytro RTX

This Wiseco +3mm piston (1049cc) for Yamaha Nytro RTX is a forged replacement piston engineered for the 2008-2012 Nytro RTX, cross-referencing part 4894M08200 with an 82.00mm bore and 9.5:1 compression ratio.

Overview

This Wiseco +3mm piston for Yamaha Nytro RTX raises displacement to 1049cc and is built to handle the demands of high-output snowmobile engines. The 82.00mm bore and 9.5:1 compression ratio make this Wiseco +3mm piston a strong choice for riders rebuilding for reliability and response. It suits owners and engine builders working on 2008-2012 Nytro RTX machines.

Built For Performance

• Forged aluminum construction for high strength under load
• 82.00mm bore for the +3mm overbore build
• 9.5:1 compression ratio matched to the 1049cc displacement
• Cross-references part 4894M08200
• Designed for Yamaha Nytro RTX 2008-2012 applications

Fits These Machines

• for Yamaha Nytro RTX 2008
• for Yamaha Nytro RTX 2009
• for Yamaha Nytro RTX 2010
• for Yamaha Nytro RTX 2011
• for Yamaha Nytro RTX 2012

On-The-Job Use

• Top-end rebuilds on Nytro RTX snowmobiles
• Overbore engine builds needing a larger piston
• Trail and backcountry riding where dependable power matters
• Shop work by engine builders and DIY mechanics

Specs At A Glance

Good To Know

Q: Does this piston fit all Yamaha Nytro RTX years? A: It is listed for the 2008-2012 Nytro RTX, but confirm your engine code and current bore before ordering. Machine work may be required for the +3mm overbore.

Q: Is this an original Yamaha part? A: No, this is a Wiseco piston for Yamaha Nytro RTX applications and is not an original Yamaha product.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.