420297086 Timing Cam Chain for Sea-Doo GTS 90 STDR 900 2018

Timing/Cam Chain for Sea-Doo

This timing cam chain is a replacement component for the 900 ACE engine in the 2018 Sea-Doo GTS 90 STDR 900, cross-referenced to OEM part number 420297086, and it keeps camshaft and crankshaft rotation synchronized for correct valve timing.

Overview

This timing cam chain is designed to replace a worn or stretched chain in the 900 ACE engine used in the 2018 Sea-Doo GTS 90 STDR 900. The timing cam chain keeps camshaft and crankshaft timing aligned so the engine runs smoothly and reliably. It is suited to riders and mechanics handling engine maintenance or a rebuild.

Built For Performance

• Precision-formed links for accurate camshaft-to-crankshaft timing
• Heat-treated steel construction for durability in high-RPM marine engines
• Designed to match OEM dimensions for part number 420297086
• Resists stretching under continuous load for consistent valve timing
• Direct replacement fit for the 900 ACE engine platform

Fits These Machines

• for Sea-Doo GTS 90 STDR 900 (2018)
• for Sea-Doo GTS P STDR 90 900 (2018)

On-The-Job Use

• Scheduled engine maintenance on 900 ACE powered watercraft
• Top-end rebuilds and timing chain replacement jobs
• Restoring correct cam timing after chain stretch or wear
• Shop and DIY repair work on 2018 Sea-Doo GTS models

Specs At A Glance

Good To Know

Q: Does this timing chain fit my 2018 Sea-Doo GTS 90 STDR 900? A: It is listed for the GTS 90 STDR 900 and GTS P STDR 90 900 models from 2018. Confirm your engine platform and serial number before ordering.

Q: Should the timing chain be replaced alone? A: Timing chains are often replaced together with guides and tensioners during a rebuild. Inspect related components and replace as needed for reliable timing.

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