420924519 Reed Valve Assembly for Ski-Doo GSX 550 2005-2009

Reed Valve Assembly for Ski-Doo

This reed valve assembly serves as a replacement intake component for Ski-Doo snowmobile engines and references OEM part number 420924519.

Overview

This reed valve assembly is a complete intake reed block designed to regulate airflow into the crankcase of Ski-Doo 550 engines. A healthy reed valve assembly supports crisp throttle response and a stable idle across the rev range. It fits riders maintaining their own sled and shops performing routine engine service.

Built For Performance

• Direct replacement for OEM part number 420924519
• Reed petals seal evenly against the cage for consistent intake control
• Bolt-on fitment matching the factory intake layout
• Materials selected for cold-weather engine conditions
• Pre-assembled unit installs faster than separate petals

Fits These Machines

• for Ski-Doo GSX 550, 2005-2009

On-The-Job Use

• Trail and lake riding requiring smooth throttle response
• Top-end rebuilds and engine refresh jobs
• Fixing rough idle or weak intake sealing
• Pre-season snowmobile maintenance

Specs At A Glance

Good To Know

Q: What symptoms point to a worn reed valve on a Ski-Doo 550? A: Hard starting, uneven idle, and reduced low-end power are typical indicators. Check the petals for cracks or poor sealing against the cage before ordering.

Q: Is this a complete reed valve assembly or just the petals? A: This listing covers the complete reed valve assembly, not loose petals. Verify your model year and engine match the fitment shown before purchase.

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