420297086 Timing Cam Chain for Sea-Doo Spark 90 2Up 900 2021-2026

Timing/Cam Chain for Sea-Doo Spark 90 2Up 900

This timing/cam chain replaces OEM part 420297086 and keeps the valvetrain of your 900 ACE engine timed correctly so the camshaft and crankshaft stay in sync.

Overview

This timing chain is a direct-fit replacement for the 900 ACE engine used in the Sea-Doo Spark 90 2Up. It restores accurate camshaft timing so the engine runs smoothly and makes reliable power. It is built for riders and mechanics servicing 2021-2026 Spark 90 2Up machines.

Built For Performance

• Direct replacement for OEM part 420297086
• Precision-formed links for accurate camshaft timing
• Heat-treated steel construction for wear resistance
• Designed for the 900 ACE engine platform
• Maintains factory valve timing under load

Fits These Machines

• for Sea-Doo Spark 90 2Up 900, 2021-2026

On-The-Job Use

• Timing chain replacement during top-end service
• Engine rebuilds on 900 ACE powerplants
• Scheduled valvetrain maintenance
• Restoring timing after chain stretch or wear

Specs At A Glance

Good To Know

Q: Does this chain fit my 2021-2026 Spark 90 2Up? A: It is listed for the Sea-Doo Spark 90 2Up 900 from 2021 through 2026. Confirm your model and serial number before ordering.

Q: Is this an original Sea-Doo part? A: This is an aftermarket timing/cam chain built to replace OEM part 420297086. It is not an original Sea-Doo product.

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