421000076 Crankshaft Assembly for Sea-Doo GSX 800 1996-1997

Crankshaft Assembly for Sea-Doo

This crankshaft assembly, OEM cross-reference 421000076, is a replacement engine component that transfers piston force into rotational motion inside the Sea-Doo 800 engine.

Overview

The Crankshaft Assembly is a direct-fit engine component built for the Sea-Doo GSX 800. It converts the up and down motion of the pistons into the rotational power the drivetrain needs, keeping the 800 engine running as designed. This crankshaft assembly suits riders and mechanics rebuilding or servicing a 1996 to 1997 GSX 800.

Built For Performance

• OEM cross-reference 421000076 for accurate matching
• Machined journals for consistent bearing fit
• Balanced construction to reduce engine vibration
• Built to handle the load of the Sea-Doo 800 engine
• Direct replacement for the original crankshaft assembly

Fits These Machines

• for Sea-Doo GSX 800 1996
• for Sea-Doo GSX 800 1997

On-The-Job Use

• Engine rebuilds on the GSX 800
• Bottom-end repair after bearing or rod failure
• Restoring a personal watercraft to running condition
• Seasonal maintenance for high-hour engines

Specs At A Glance

Good To Know

Q: Does this crankshaft assembly fit both GSX 800 model years? A: It is listed for the 1996 to 1997 GSX 800, but confirm your serial number before ordering.

Q: What else should be replaced during installation? A: New bearings and seals are commonly replaced alongside a crankshaft assembly for a complete bottom-end refresh.

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