Crankshaft Main Bearing for Sea-Doo RXT IS 255 1503 2009

Crankshaft Main Bearing for Sea-Doo RXT IS 255

This crankshaft main bearing is a replacement engine component for the Sea-Doo RXT IS 255 1503, built to support the crankshaft and keep rotation true under load.

Overview

This crankshaft main bearing is made for the Sea-Doo RXT IS 255 1503 and serves as a load-bearing surface that keeps the crankshaft spinning on axis inside the engine cases. Riders rebuilding a 2009 RXT IS 255 rely on a fresh main bearing to restore stable crank support and reduce vibration at speed. It is the sort of wear part chosen by owners and mechanics handling a full engine refresh rather than a bolt-on accessory.

Built For Performance

• Precision-ground bearing surface for consistent crankshaft support
• Rated for the load demands of the 1503 four-stroke engine platform
• Designed to help control crankshaft runout and vibration
• Suited to full engine rebuild and lower-end service work
• Sold as a replacement component for the stated model year

Fits These Machines

• for Sea-Doo RXT IS 255 1503, 2009

On-The-Job Use

• Crankshaft rebuilds on the 2009 RXT IS 255
• Lower-end engine service after bearing wear or noise is found
• Refresh work during a top-to-bottom engine tear down
• Restoring crank support on high-hour 1503 engines

Specs At A Glance

Good To Know

Q: How many main bearings does my engine need? A: The count depends on your specific crankshaft layout and service manual, so verify the required quantity before ordering. Many rebuilds replace all main bearings together as a set.

Q: Can I install this without splitting the cases? A: No, main bearing replacement on this engine requires case separation and careful measurement of clearances. Have a qualified mechanic handle the installation and torque specs.

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