Skip to product information
1 of 2

Wiseco

Wiseco Piston Kit - Kawasaki JS550 (1982-1989)

Wiseco Piston Kit - Kawasaki JS550 (1982-1989)

SKU:516M07500

Out of stock

$149.99
Out of stock
Shipping calculated at checkout.
Bore

Wiseco Kawasaki 550 Forged Piston Kit | 516M Series

Restore or upgrade your classic Kawasaki JS550 (1982-1989) with Wiseco's 2-Stroke Forged Piston Kit. This Pro-Lite series kit is precision-forged for reliable power and durability in 2-stroke engines, making it ideal for rebuilds or performance tuning.

Available Sizes:

  • 516M07500 (75.00mm Bore | Standard size)

Key Features:

  • Forged 4032 Alloy: Precision-forged in the USA for superior strength, heat resistance, and detonation control compared to cast pistons.
  • Pro-Lite Series Engineering: Dedicated forgings and CNC machining reduce weight while maintaining structural integrity for quicker revs and long-term reliability.
  • Optimized Skirt Design: Contoured piston skirts improve sealing, reduce friction, and enhance engine response.
  • High-Performance Rings: Chrome-faced top ring and nitrided second ring deliver excellent wear resistance and reduced blow-by.

Kit Includes:

  • Forged piston
  • Piston ring set
  • Wrist pin x 1
  • Circlips x 2

Liability Disclaimer – Closed Course Use Only

Blowsion products are intended for closed course competition use only. These products are not designed, tested, or approved for use on public waterways or pollution-controlled vehicles.

Installation and operation of Blowsion components may affect the safety, emissions compliance, and legal status of your watercraft. Use of these products on public waterways may be a violation of federal, state, or local laws.

By purchasing and installing Blowsion products, the user assumes all responsibility and risk associated with their use, including but not limited to personal injury, property damage, or legal penalties.

Always follow proper safety procedures and consult with a qualified technician for installation.

Product Installation Disclaimer:

Warning:

When using electric or battery-operated tools inside the hull, ensure the area is well-ventilated and free of fumes. Failure to follow this precaution may result in fire, explosion, serious injury, or death.

Disconnect the battery before performing any installation or maintenance to prevent accidental ignition or electrical shock.

Allow the engine to cool completely before beginning installation.

No Smoking!

This kit is not designed for use on vehicles equipped with pollution control systems. Installing this kit on such vehicles may violate state or local laws

View full details