420-8678-48 Carb Mounting Flange for Ski-Doo Grand Touring SE 800 1999-2000

Carb Mounting Flange for Ski-Doo

This carb mounting flange for Ski-Doo connects the carburetor to the engine intake on 1999-2000 Grand Touring SE 800 snowmobiles, cross-referencing 420-8678-48.

Overview

This carb mounting flange for Ski-Doo is a direct-fit intake component that seals the carburetor to the engine block on 1999-2000 Grand Touring SE 800 models. It keeps the air-fuel path tight so the engine pulls clean vacuum and holds a steady idle. Riders doing seasonal maintenance or a top-end refresh will find this carb mounting flange for Ski-Doo a practical drop-in replacement.

Built For Performance

• Seals the carburetor-to-engine joint to prevent air leaks
• Maintains proper intake vacuum for consistent fuel delivery
• Durable construction suited to the heat and vibration of two-stroke operation
• Direct fit for the 800 series Rotax engine intake
• Matches the 420-8678-48 reference for straightforward sourcing

Fits These Machines

• for Ski-Doo Grand Touring SE 800 1999
• for Ski-Doo Grand Touring SE 800 2000

On-The-Job Use

• Rebuilding the intake after a carburetor clean or rebuild
• Replacing a cracked or hardened flange found during preseason inspection
• Restoring a trail sled that has been sitting with stale fuel
• Servicing the top end on a high-mileage 800 twin

Specs At A Glance

Good To Know

Q: Do I need to replace both flanges at once? A: It is good practice to inspect both carburetor mounts and replace any that show cracking, hardening, or a poor seal. Matching parts on both sides helps keep intake vacuum even across the engine.

Q: Will this flange fit other Ski-Doo 800 models? A: Fitment depends on the specific model and model year, so confirm against your machine's parts diagram before ordering. The 420-8678-48 reference helps verify the correct application.

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