3 Namura Piston Kits for Yamaha Some 1995-1998 1100 PWC .020 Over Bore 81.5mm

Namura .020 Over Bore Piston Kits for Yamaha 1100 PWC 81.5mm

This set of three Namura .020 over bore piston kits offers high-performance replacement pistons for Yamaha 1100 PWC models from 1995-1998 with an 81.5mm bore, delivering reliable power and increased displacement for personal watercraft.

Overview

These Namura .020 over bore piston kits are designed to fit Yamaha 1100 PWC engines from 1995-1998, providing a durable replacement for rebuilding or performance tuning. Ideal for PWC enthusiasts looking to maintain or boost the performance of their Yamaha 1100 watercraft.

Built For Performance

• Manufactured from high-strength aluminum alloy for durability in marine environments
• Precision-machined to .020 over bore (81.5mm) for increased displacement
• Includes premium piston rings for optimal sealing and reduced blow-by
• Lightweight design reduces reciprocating mass for quicker acceleration
• Each kit contains three full piston assemblies for complete engine rebuild

Fits These Machines

• for Yamaha 1100 PWC (1995-1998)

On-The-Job Use

• Personal watercraft engine rebuilds and top-end overhauls
• Racing and high-performance PWC applications
• Recreational riding where reliable engine power is essential
• Maintenance of vintage Yamaha 1100 watercraft

Specs At A Glance

Good To Know

Q: Will these piston kits fit my Yamaha 1100 PWC? A: These are designed for Yamaha 1100 PWC models from 1995-1998 with an 81.5mm bore; confirm your engine's bore size and model year before installation.

Q: Do I need to replace the piston rings? A: Yes, the included rings are matched to the pistons and must be installed to ensure proper compression and oil control in your PWC engine.

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