4894M07900 Wiseco Std Piston Kit for Yamaha RS Rage 2005-2009 79.00mm 9.5:1 CR

Wiseco Std Piston Kit for Yamaha RS Rage

This Wiseco Std piston kit for Yamaha RS Rage snowmobiles uses a 79.00mm bore and 9.5:1 compression ratio, cross-referencing part 4894M07900.

Overview

This Wiseco Std piston kit for Yamaha RS Rage is a standard bore forged piston set made to restore factory displacement on 2005-2009 models. It replaces a worn or damaged piston at 79.00mm with a 9.5:1 compression ratio. It suits snowmobile owners and engine builders doing a stock-bore top-end rebuild on the RS Rage triple.

Built For Performance

• 79.00mm standard bore maintaining factory displacement
• 9.5:1 compression ratio for stock-level output
• Forged construction for strength and heat resistance
• Cross-reference part number 4894M07900 for easy lookups
• Fits Yamaha RS Rage 2005-2009 engines

Fits These Machines

• for Yamaha RS Rage 2005
• for Yamaha RS Rage 2006
• for Yamaha RS Rage 2007
• for Yamaha RS Rage 2008
• for Yamaha RS Rage 2009

On-The-Job Use

• Stock-bore top-end rebuilds on RS Rage engines
• Replacing a scored or worn piston without boring the cylinder
• Trail riding where factory displacement is preferred
• Engine builders keeping the motor close to stock spec

Specs At A Glance

Good To Know

Q: Does this kit require cylinder boring? A: No, this is a standard 79.00mm bore piston kit, so it fits a cylinder already at stock bore dimensions.

Q: Is this an original Yamaha part? A: No, this is an aftermarket piston kit for Yamaha RS Rage models and is not made by Yamaha.

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