Eterpace Starter Motor for Sea-Doo PWC 9-Tooth, Counterclockwise Rotation — Direct Fit 2002–2024 (420888995)

The Eterpace starter motor is a direct-fit replacement for many Sea-Doo personal watercraft models from 2002–2024, designed to restore reliable electric starts with OEM-style specifications.

If your Sea-Doo is showing slow cranking, intermittent starting, or a failed starter, this Eterpace unit offers a tested alternative compatible with a wide range of Challenger, GTI, GTR, GTX, RXP, RXT, Speedster, Switch, Wake and other models. Built with carbon brushes, a nine-tooth pinion and a counterclockwise rotation, this motor is supplied as a ready-to-install replacement part equivalent to numbers 420888995, 290888999 and 4208889933.

Which Sea-Doo models will this starter motor fit?

Compatibility covers many model families across model years 2002 through 2024; always cross-check your current part number before ordering. The product is listed for Challenger, GTI, GTR, GTX, RXP, RXT, Speedster, Switch, Wake and related variants.

• Exact-replace numbers: 420888995, 290888999, 4208889933
• Works with Challenger, GTI, GTX, GTR series
• Also fits RXP, RXT, Speedster, Switch and Wake models
• Confirm vehicle year and part number for a guaranteed fit

How does the Eterpace unit perform compared to an OEM starter?

This Eterpace starter is bench-tested before shipment and built to match key OEM specifications such as brush material, gear tooth count and rotational direction. While not sold as an OEM part, it aims to deliver comparable torque and cycle life for routine operation.

• Brush type: carbon for durable contact and wear resistance
• Torque rating: 5.1 Nm to provide consistent cranking power
• Cycle rating: 10,000 cycles for extended service life under normal use
• Rotation: counterclockwise to match Sea-Doo starter orientation

What are the technical specifications I should verify before installation?

Before installing, confirm fit by comparing physical dimensions, electrical connections and the original part’s tooth/rotation details. Matching those specifications will prevent installation issues and ensure correct engagement with the flywheel.

• Teeth on pinion gear: 9
• Brush type: carbon
• Rotational direction: counterclockwise
• Replacement part numbers listed on the unit: 420888995, 290888999, 4208889933

What should I expect during installation and initial tests?

Installation follows the same basic steps as the original starter removal and fitment—disconnect battery, remove mounting bolts, swap the unit, and reconnect wiring. After installation, perform a bench or in-vehicle cranking test to confirm correct engagement and electrical operation before final reassembly.

• Disconnect battery to prevent shorts during removal
• Inspect wiring harness and battery voltage before connecting
• Verify free rotation and correct pinion engagement visually
• Run a short cranking test to confirm normal operation

Who this product is for: This Eterpace starter motor is intended for Sea-Doo owners, marine technicians and DIY mechanics who need a cost-effective, tested replacement for failed or weak starters on compatible watercraft from 2002–2024. It suits users who can verify their original part number (420888995, 290888999, 4208889933) and who are comfortable performing or overseeing standard starter removal and installation procedures. If you require an OEM-labeled component, consult your dealer; if you want a reliable aftermarket alternative that matches the key mechanical and electrical specs of the original, this Eterpace unit is engineered to meet that need.