290935736 Rotary Shaft Gear for Sea-Doo GS 720 1998-2001

Rotary Shaft Gear for Sea-Doo

This rotary shaft gear replaces OEM part 290935736 for Sea-Doo GS 720 models from 1998 to 2001, transferring power within the engine's rotary valve assembly.

Overview

This rotary shaft gear is built for Sea-Doo GS 720 watercraft from 1998 to 2001, replacing the factory gear that drives the rotary valve shaft. The gear keeps valve timing consistent so the engine breathes correctly across the powerband. It suits riders doing routine engine maintenance or a full rebuild on their Sea-Doo.

Built For Performance

• Direct replacement for OEM part number 290935736
• Machined gear teeth for accurate rotary valve timing
• Durable metal construction built to handle constant engine speed
• Fits the rotary shaft assembly on 720 engines
• Sold as a single gear for straightforward replacement

Fits These Machines

• for Sea-Doo GS 720, 1998
• for Sea-Doo GS 720, 1999
• for Sea-Doo GS 720, 2000
• for Sea-Doo GS 720, 2001

On-The-Job Use

• Rotary valve shaft service on 720 engines
• Top-end rebuilds and engine refreshes
• Replacing a worn or damaged gear during maintenance
• Restoring correct valve timing on a high-hour engine

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: No, this is an aftermarket rotary shaft gear made to replace OEM part 290935736, and it is not manufactured by Sea-Doo.

Q: How do I know it fits my watercraft? A: It is listed for the Sea-Doo GS 720 from 1998 to 2001, so confirm your model year and engine before ordering.

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