290931440 Rotary Valve O-Ring for Sea-Doo Speedster 650 1994-1995

Rotary Valve O-Ring for Sea-Doo

This rotary valve O-ring replaces OEM part 290931440 and seals the rotary valve cover on 650 engine applications so the valve stays properly sealed during operation.

Overview

This rotary valve O-ring for Sea-Doo is a direct replacement seal for the rotary valve cover on 650-powered watercraft. It keeps the rotary valve sealed so the engine draws air and fuel from the crankcase correctly. A practical choice for riders and mechanics handling rotary valve or top-end service.

Built For Performance

• Replaces OEM part number 290931440
• Seals the rotary valve cover to the engine cases
• Made to resist fuel, oil, and heat
• Restores proper sealing after service
• Fits 650 rotary valve applications

Fits These Machines

• for Sea-Doo Speedster 650 (1994-1995)
• for Sea-Doo 650 engine powered watercraft

On-The-Job Use

• Rotary valve cover resealing during top-end service
• Replacing a worn or leaking rotary valve O-ring
• Routine engine maintenance on 650-powered boats

Specs At A Glance

Good To Know

Q: Does this O-ring come with the rotary valve cover? A: No, this listing is for the O-ring only, so confirm you have the other rotary valve parts on hand before starting the job.

Q: Is this a genuine Sea-Doo part? A: It is an aftermarket replacement for part 290931440, not an original factory item.

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