Shamofeng Starter Motor Combo Kit w/ Relay for Sea-Doo Jet Ski 1995-2005 (587/657/717 Rotax)

Fast, dependable starts for Sea-Doo and sportboats

When you depend on your watercraft for weekend adventures, a reliable start matters. The Shamofeng Starter Motor Combo Kit is designed to help you restart quickly, restoring confidence on the ramp and on the water. This kit includes a purpose-built starter motor and a compatible starter relay, delivering crisp engagement and a smoother overall cranking feel.

What’s included and how it helps

• 1 x Starter Motor
• 1 x Starter Solenoid Relay

Built to meet or exceed OEM standards, the kit is engineered for plug-and-play installation with minimal or no modification. This means you can swap in the new parts and get back on the water faster, without wrestling with wiring or fittings.

Compatibility and fit

• Sea-Doo Jet Ski models from 1995–2005 powered by 587/657/717 Rotax engines (581/650/718cc), including several GS/GSI/GTI variants and select XP models.
• Sportboat iterations from 1995–2002, including Explorer, Sportster, Speedster, and Challenger families, with 657/717 Rotax engines (650/718cc).

Cross-reference numbers provide a wide range of compatibility, making it easy to verify against OEM parts. The kit also includes labels and markings designed to support straightforward identification during installation.

Product specs and build quality

• 9 teeth, counterclockwise rotation, 12V
• PMDD components for reliable operation and quiet starting

Quality parts and a compact design aim to deliver quick engagement and a relatively quiet startup compared with older or worn components. The kit’s packaging clearly lists the included parts and relevant interchange numbers for easy reference when shopping or replacing parts in the future.

Value, warranty, and practical use

• A practical spare parts option to have on hand for future maintenance or seasonal prep
• 1-year warranty backed by responsive customer support

Whether you’re prepping for a long season or keeping a backup on the shelf, the Shamofeng Starter Motor Combo Kit offers a practical balance of fit, ease of install, and support. It’s not a guarantee of performance, but it’s framed as a feasible path toward easier starts and less downtime on and off the water.

Part numbers to reference include OEM: 278-000-484, 278-000-485, 278-001-300, 278-001-935, as well as cross references to 18415, 18415N, 228000-4550–4553, and 410-52038.