Balance Shaft Assembly for 1996-1997 Sea-Doo GSX 800 - Replaces 290837406

Balance Shaft Assembly for 1996-1997 Sea-Doo GSX 800, a direct replacement for OEM part number 290837406.

The balance shaft assembly counteracts the engine's natural vibration, keeping it smooth across the rev range and reducing stress on other components. A worn or damaged balance shaft increases vibration, noise and wear.

When You Need It

• Noticeable increase in engine vibration
• Noise from the balance shaft area
• Worn journals or gear teeth
• Bottom-end rebuild

Fitting Tips

• Align balance shaft timing marks correctly during assembly

Product Details

• Part Type: Balance Shaft Assembly
• Replaces OEM: 290837406, 420837406
• Brand: Aftermarket
• Condition: New
• Suits: 1996-1997 Sea-Doo GSX 800

Please compare the OEM number with your original part before ordering. Contact us if you need help confirming the right part for your watercraft.