420236501 Timing Chain Tensioner Guide for Sea-Doo RXT IS 255 1503 2009

Timing Chain Tensioner Guide for Sea-Doo

This timing chain tensioner guide is a replacement engine component that keeps the timing chain aligned and tensioned on Sea-Doo 1503 engines, and it cross-references OEM part number 420236501 for dependable fitment.

Overview

This timing chain tensioner guide is built for Sea-Doo 1503 engine owners who need to restore proper chain alignment and tension on their watercraft. The tensioner guide for Sea-Doo delivers steady pressure against the timing chain, reducing noise, slack, and wear during operation. It suits riders and mechanics handling routine engine maintenance or a full rebuild on their personal watercraft.

Built For Performance

• Direct replacement for OEM part number 420236501
• Maintains consistent timing chain tension across the RPM range
• Reduces chain slap, rattle, and premature stretch
• Protects cam timing accuracy for stable engine performance
• Constructed for the marine environment of the 1503 engine
• Straightforward installation during chain or top-end service

Fits These Machines

• for Sea-Doo RXT IS 255 1503 (2009)

On-The-Job Use

• Timing chain service and engine rebuilds
• Top-end maintenance on 1503 four-stroke engines
• Restoring quiet, stable chain operation on the water
• Shop and DIY repair of personal watercraft engines

Specs At A Glance

Good To Know

Q: Does this guide come with the tensioner itself? A: It is the guide component referenced by part number 420236501, so verify the scope of your repair against your service manual before ordering. A: Replacing it alongside the tensioner and chain is common practice during a rebuild.

Q: Will it fit my 2009 RXT IS 255? A: It is listed for the 1503 engine used in the 2009 RXT IS 255, but serial number variations can affect fitment. A: Confirm your engine code and part number before purchase.

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