4894M07900 Piston Kit for Yamaha Nytro RTX 2008-2012 Std 79.00mm 9.5:1 CR

Wiseco Std Piston Kit for Yamaha Nytro RTX

This Wiseco Std piston kit for Yamaha Nytro RTX is a forged replacement piston set engineered for the 2008-2012 Nytro RTX, cross-referencing part 4894M07900 with a 79.00mm standard bore and 9.5:1 compression ratio.

Overview

This Wiseco Std piston kit for Yamaha Nytro RTX keeps the factory 79.00mm bore and is built for dependable top-end service. The 9.5:1 compression ratio and standard sizing make this Wiseco Std piston kit a practical choice for riders rebuilding to stock dimensions. It suits owners and engine builders working on 2008-2012 Nytro RTX machines.

Built For Performance

• Forged aluminum construction for high strength under load
• 79.00mm standard bore for stock-dimension rebuilds
• 9.5:1 compression ratio matched to the original spec
• Cross-references part 4894M07900
• 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
• Stock-bore engine service after wear or damage
• 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 kit 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. Standard bore sizing means no overbore machining is needed.

Q: Is this an original Yamaha part? A: No, this is a Wiseco piston kit 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.