4894M07900 Wiseco Std Piston Kit for Yamaha Nytro XTX 2009-2012 79.00mm 9.5:1 CR

Wiseco Std Piston Kit for Yamaha Nytro XTX

This Wiseco Std piston kit for the Yamaha Nytro XTX restores stock 79.00mm bore geometry with a 9.5:1 compression ratio, cross-referencing 4894M07900 for a direct top-end rebuild.

Overview

This Wiseco Std piston kit is built for the Yamaha Nytro XTX, keeping the factory 79.00mm bore and 9.5:1 compression ratio for a stock-spec rebuild. It suits riders replacing a worn or damaged piston on 2009 through 2012 Nytro XTX snowmobiles, and the 4894M07900 reference makes sourcing simple. Choose this piston kit when factory bore dimensions and dependable compression are the goal for the Yamaha Nytro XTX.

Built For Performance

• Standard 79.00mm bore size matches factory cylinder dimensions
• 9.5:1 compression ratio retained for stock engine behavior
• Forged piston construction for durability in snowmobile applications
• Wiseco 4894M07900 cross-reference for easy parts lookup
• Designed for the Yamaha Nytro XTX 2009 through 2012 platform

Fits These Machines

• for Yamaha Nytro XTX 2009
• for Yamaha Nytro XTX 2010
• for Yamaha Nytro XTX 2011
• for Yamaha Nytro XTX 2012

On-The-Job Use

• Stock-spec top-end rebuilds on Nytro XTX snowmobiles
• Replacing a scored or worn piston without boring the cylinder
• Trail riding where factory compression and reliability are preferred

Specs At A Glance

Good To Know

Q: Is this a direct replacement for the stock piston? A: The 79.00mm standard bore and 9.5:1 compression ratio match factory dimensions, so no cylinder boring is normally required.

Q: What is included with this piston kit? A: The listing covers the piston referenced by 4894M07900. Check whether rings, pin, and clips are part of the kit before ordering.

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