274000612 Power Valve Spring for Sea-Doo SPX 800 1998-1999

Power Valve Spring for Sea-Doo

This power valve spring for Sea-Doo 800 engines is a replacement exhaust power valve spring that helps the RAVE valves open and close at the correct RPM, restoring the powerband response these two-stroke engines rely on, and it references 274000612.

Overview

This power valve spring for Sea-Doo is made to replace a worn or broken spring in the RAVE exhaust valve assembly on 800 series engines. A healthy power valve spring for Sea-Doo keeps valve timing on point so the engine pulls cleanly through the rev range. It suits riders servicing a 1998 or 1999 SPX 800 or anyone rebuilding top-end components.

Built For Performance

• Direct replacement for the original valve spring on 800 RAVE assemblies
• Maintains correct spring tension so valves open at the intended RPM
• Steel construction suited to the heat and vibration of two-stroke exhaust valves
• Simple swap during top-end or valve service
• Sold individually so you can replace only what is worn

Fits These Machines

• for Sea-Doo SPX 800 1998-1999

On-The-Job Use

• Servicing RAVE valves during a top-end rebuild
• Restoring exhaust valve response on a high-hour 800 engine
• Replacing a collapsed or broken spring found during inspection

Specs At A Glance

Good To Know

Q: Do I need to replace both valve springs at once? A: Replacing them as a set keeps valve timing even across both cylinders. If only one spring failed, inspecting its pair is still worthwhile.

Q: How do I know the spring needs replacing? A: Rough running above a certain RPM or sluggish valve response often points to a weak spring. A visual check for collapse or breakage during inspection is the surest confirmation.

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