420236501 Timing Chain Tensioner Guide for Sea-Doo Speedster 155 1503 2012

Timing Chain Tensioner Guide for Sea-Doo

This timing chain tensioner guide keeps the timing chain aligned and tensioned on 1503 engine applications, and it cross-references OEM part 420236501.

Overview

The timing chain tensioner guide is a direct-fit replacement component for personal watercraft running the 1503 engine platform. It holds the timing chain on its proper path so cam timing stays stable through the rev range. This guide suits riders and mechanics servicing Sea-Doo Speedster and similar models who need a dependable wear item without hunting down an obsolete original.

Built For Performance

• Direct cross-reference to OEM part 420236501
• Designed to keep the timing chain tensioned and aligned
• Constructed for marine engine duty and continuous RPM use
• Resists wear from heat and oil exposure in the timing housing
• Simple replacement for a worn or noisy original guide

Fits These Machines

• for Sea-Doo Speedster 155 1503
• for Sea-Doo SP 215 1503

On-The-Job Use

• Timing chain service and rebuilds on 1503 engines
• Correcting chain slap or rattle traced to a worn guide
• Routine maintenance on high-hour personal watercraft
• Shop repairs where an OEM-equivalent guide is required

Specs At A Glance

Good To Know

Q: Does this guide fit both the 155 and 215 versions of the 1503 engine? A: The listing covers both 155 and 215 applications, but fit can vary by model year and serial number, so verify against your machine before ordering.

Q: How do I know the tensioner guide needs replacing? A: Common signs include timing chain rattle at idle, uneven cam timing, or visible wear and scoring on the guide surface during inspection.

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