420834488 Starter Gear for Sea-Doo Speedster 1 x 260 1503 2012

Starter Gear for Sea-Doo

This starter gear is a replacement component for the Sea-Doo 1503 engine, designed to engage the starter motor and turn the flywheel for reliable engine cranking, cross-referencing OEM part number 420834488.

Overview

This starter gear serves as the engagement link between the starter motor and the engine flywheel on the Sea-Doo 1503 platform. It is built to handle the torque demands of the 260 horsepower configuration found in the Speedster model. This starter gear suits riders and mechanics replacing a worn or damaged unit in a 2012 Sea-Doo 1503 engine.

Built For Performance

• Direct replacement for OEM part number 420834488
• Manufactured to engage the flywheel ring gear reliably during starting
• Hardened tooth surfaces resist wear from repeated engagement cycles
• Balanced construction limits vibration at cranking speeds
• Compatible with the Sea-Doo 1503 four-stroke engine platform

Fits These Machines

• for Sea-Doo Speedster 1 x 260 with 1503 engine, 2012

On-The-Job Use

• Replacing a stripped or worn starter gear during engine service
• Restoring reliable cold-start cranking on the water
• Routine maintenance of the starter drive assembly

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: This is an aftermarket starter gear designed to replace OEM part 420834488. It is not manufactured by Sea-Doo.

Q: How do I know if my starter gear needs replacing? A: Grinding noises during starting or a starter that spins without cranking the engine often point to a worn starter gear. Inspect the gear teeth for chipping or flattening 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.