290931440 Rotary Valve O-Ring for Sea-Doo Speedster 720 1996

Rotary Valve O-Ring for Sea-Doo

This rotary valve O-ring replaces OEM part 290931440 and seals the rotary valve cover on 720 engine applications so the valve maintains proper clearance and reliable sealing.

Overview

This rotary valve O-ring for Sea-Doo is a direct replacement seal for the rotary valve cover on 720-powered watercraft. It keeps the rotary valve sealed so the engine pulls clean air and fuel from the crankcase as intended. A smart pick for riders and mechanics doing routine top-end or rotary valve service.

Built For Performance

• Replaces OEM part number 290931440
• Seals the rotary valve cover to the engine cases
• Made to hold up to fuel, oil, and heat exposure
• Restores proper sealing after rotary valve service
• Fits 720 rotary valve applications

Fits These Machines

• for Sea-Doo Speedster 720 (1996)
• for Sea-Doo 720 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 720-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.