420924519 Reed Valve Assembly for Ski-Doo Formula 500 500 Deluxe 2000-2001

Reed Valve Assembly for Ski-Doo

This reed valve assembly is a direct replacement component for the Ski-Doo Formula 500 and Formula 500 Deluxe, cross-referencing OEM part number 420924519, designed to control intake airflow into the engine crankcase.

Overview

This reed valve assembly is built to replace the factory intake reeds on the Ski-Doo Formula 500 and Formula 500 Deluxe snowmobiles. The reed valve assembly regulates the air-fuel mixture entering the crankcase, helping maintain responsive throttle control and consistent engine performance. It is a practical service part for riders performing routine top-end maintenance or restoring a machine to running condition.

Built For Performance

• Direct cross-reference to OEM part number 420924519 for straightforward replacement
• Reed petals designed to seal against the cage for consistent intake control
• Construction suited to the demands of two-stroke snowmobile engines
• Fits the Ski-Doo Formula 500 and Formula 500 Deluxe produced for the 2000 and 2001 model years
• Sold as a complete assembly for simplified installation

Fits These Machines

• for Ski-Doo Formula 500, 2000
• for Ski-Doo Formula 500, 2001
• for Ski-Doo Formula 500 Deluxe, 2000
• for Ski-Doo Formula 500 Deluxe, 2001

On-The-Job Use

• Routine top-end maintenance and engine refresh
• Restoring intake performance on older Formula 500 machines
• Trail riding and general snowmobile use
• Replacing worn or damaged reeds before they affect run quality

Specs At A Glance

Good To Know

Q: How do I know if my reed valve assembly needs replacing? A: Common signs include rough idle, hard starting, or a loss of throttle response. Inspecting the reed petals for cracks, gaps, or fraying is the most reliable way to confirm wear.

Q: Will this assembly fit both the Formula 500 and Formula 500 Deluxe? A: This assembly cross-references OEM part number 420924519 and is listed for both models in the 2000-2001 range. Always verify your machine's part number against your specific model and year 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.