420254882 Intake or Exhaust Valve Guide for Sea-Doo RXT STD 260 1503 2017

Intake or Exhaust Valve Guide for Sea-Doo

This intake or exhaust valve guide, OEM cross-reference 420254882, guides the valve stem to keep it moving in precise alignment inside the cylinder head of Sea-Doo 1503 engines.

Overview

This valve guide is a cylinder head component for Sea-Doo 1503 engines, holding each valve stem on its correct axis so the valve seats evenly on every cycle. A worn valve guide lets the stem wander, which costs compression and oil control, so replacing it during a top-end service restores the geometry the head was built around. It suits riders and mechanics rebuilding a 1503 engine who want a direct-fit guide rather than a modified part.

Built For Performance

• Direct cross-reference to OEM part number 420254882
• Guides the valve stem to keep valve seating concentric
• Fits both intake and exhaust valve positions
• Machined bore for consistent stem clearance
• Suited to 1503 engine cylinder head rebuilds

Fits These Machines

• for Sea-Doo RXT STD 260 1503, 2017
• for Sea-Doo RXT STD 230 1503, 2018-2019

On-The-Job Use

• Top-end rebuilds after a valve or valve seal failure
• Cylinder head reconditioning on 1503 engines
• Restoring oil control on high-hour engines
• Valve train service where stem wear is found

Specs At A Glance

Good To Know

Q: How many valve guides does one engine need? A: The count depends on how many valves the head carries, so check your engine's valve layout before ordering. Many rebuilders replace the full set once any single guide shows wear.

Q: Does a valve guide need machining after install? A: Guides are commonly checked and honed to the specified stem clearance once pressed into the head. Have the clearance measured by a machine shop before the head goes back together.

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