420241221 Power Valve Cover Screw Adjustment for Sea-Doo Challenger 1800 800

Power Valve Cover Screw Adjustment for Sea-Doo

The power valve cover screw adjustment with part number 420241221 is the hardware that adjusts the power valve cover on the 800 engine so the valve stays correctly positioned and performs as it should.

Overview

This power valve cover screw adjustment fits the 1997 Sea-Doo Challenger 1800 with the 800 engine. The power valve cover screw adjustment keeps the cover held in place and lets you dial in the power valve setting on the 800 engine. It is for owners who want to keep their engine running the way it was built to run.

Built For Performance

• Cross-references part number 420241221
• Fits the 800 engine family used in the Challenger 1800
• Adjusts power valve cover position for correct valve travel
• Threaded design holds its setting under engine vibration
• Sold as a direct replacement screw adjustment

Fits These Machines

• for Sea-Doo Challenger 1800 800, 1997

On-The-Job Use

• Routine power valve service on the 800 engine
• Adjusting valve cover position after a top end refresh
• Replacing a stripped or seized adjustment screw on the cover
• Keeping power valve operation consistent through the season

Specs At A Glance

Good To Know

Q: Will this adjustment screw fit any 800 engine? A: It is listed for the 800 engine in the Challenger 1800, so match your model and year before ordering. A: Confirm the part number on your machine matches 420241221.

Q: How many adjustments do I need? A: Order one for each power valve cover you are servicing, since these screws are sold individually.

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