Namura Piston Kit for Yamaha Some 1995-1998 1100 .020 Over Bore 81.5mm SEE LIST

Piston Kit for Yamaha

This .020 over bore piston kit is designed for select Yamaha 1100 models from 1995 to 1998, featuring an 81.5mm bore size for increased displacement.

Overview

This .020 over bore piston kit is intended for certain Yamaha 1100 personal watercraft engines from 1995 through 1998. With an 81.5mm bore, it allows for a 0.020 inch overbore to restore compression and enhance performance. Suitable for engine rebuilds requiring an oversized piston.

Built For Performance

• High-strength aluminum alloy construction for durability and heat dissipation
• Precision-machined piston skirts reduce friction and wear
• Oversized 81.5mm bore increases engine displacement for added torque
• Includes piston rings and wrist pin for complete installation
• Engineered for 0.020 inch overbore to match worn cylinder walls

Specs At A Glance

Good To Know

Q: How do I confirm if this kit fits my specific Yamaha model? A: The title indicates compatibility with some 1995-1998 1100 models; refer to the seller's list or verify your engine's serial number and bore condition before purchase.

Q: Can I install this piston kit without professional experience? A: Proper installation requires mechanical knowledge and tools; it is recommended to have a qualified technician perform the piston replacement to ensure correct fit and ring gap.

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