Namura Standard Bore Size A Top End Repair Kit for Kawasaki Jet Ski STX-12F 83mm

Namura Standard Bore Size A Top End Repair Kit for Kawasaki

This Namura Standard Bore Size A Top End Repair Kit is engineered for the Kawasaki Jet Ski STX-12F with an 83mm bore, providing all necessary components to restore the engine's top end. It includes pistons, rings, wrist pins, circlips, and gaskets, delivering reliable performance for rebuilding a worn or damaged cylinder.

Overview

The Namura Standard Bore Size A Top End Repair Kit for Kawasaki Jet Ski STX-12F with 83mm bore is a comprehensive set for renewing the upper engine assembly. This kit contains precision-matched pistons, rings, and gaskets designed to restore compression and power. Riders and mechanics rely on this Namura kit to bring their STX-12F engine back to like-new condition.

Built For Performance

• Namura pistons are manufactured from high-silicon aluminum alloy for durability and heat resistance
• Precision-machined rings provide excellent sealing and reduce blow-by
• Includes all necessary gaskets, wrist pins, and circlips for a complete top end rebuild
• Kit is pre-matched to the 83mm standard bore size, eliminating the need for machining in most cases
• Namura's quality control ensures consistent weight and dimension for balanced engine operation

Fits These Machines

• for Kawasaki Jet Ski STX-12F (83mm bore)

On-The-Job Use

• Restoring lost compression in a high-hour Jet Ski engine
• Rebuilding after a piston seizure or overheating event
• Improving engine performance by replacing worn top end components
• Performing routine maintenance during off-season engine overhauls

Specs At A Glance

Good To Know

Q: Does this kit include a cylinder or cylinder head? A: No, this is a top end repair kit containing pistons, rings, gaskets, and small hardware; the cylinder and cylinder head must be serviced separately or reused if in good condition.

Q: Is the 83mm bore size a standard or oversized dimension? A: This kit is for the standard bore size (83mm) as indicated in the title, intended for engines with original bore dimensions that have not been oversize bored.

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