Complete Crankshaft Assembly for Sea-Doo Wake STD NA 1503 2019

Complete Crankshaft Assembly for Sea-Doo

This complete crankshaft assembly is a direct replacement component for the Rotax 1503 engine, restoring proper rotation and power transfer in your watercraft.

Overview

This complete crankshaft assembly is built to replace a worn or damaged crankshaft in the Rotax 1503 engine platform. It transfers reciprocating piston motion into rotational force that drives the impeller, keeping your watercraft performing as intended. Ideal for riders and mechanics handling a full engine rebuild or lower-end refresh.

Built For Performance

• Complete assembly with connecting rods and bearings pre-installed
• Balanced and trued for smooth high-RPM operation
• Heat-treated journals for wear resistance under load
• Precision-ground bearing surfaces for consistent oil clearance
• Direct fit for the Rotax 1503 engine family

Fits These Machines

• for Sea-Doo Wake STD NA 1503 (2019)

On-The-Job Use

• Full lower-end engine rebuilds
• Replacing a seized or scored crankshaft
• Restoring compression and driveline smoothness
• Shop and DIY personal watercraft repair

Specs At A Glance

Good To Know

Q: Does this crankshaft assembly come ready to install? A: It ships as a complete assembly with rods and bearings fitted, so it drops into the Rotax 1503 lower end during a rebuild. Always check journal clearances before final assembly.

Q: Will this fit any 1503 engine? A: This assembly is intended for the Wake STD NA 1503 application listed. Confirm your engine code and model year match 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.