Namura Piston Rings for Yamaha 1996-2000 760 Jet Ski PWC .020 Over Bore 84.5mm
Namura Piston Rings for Yamaha 1996-2000 760 Jet Ski PWC .020 Over Bore 84.5mm
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.020 Over Bore Piston Rings for Namura
These .020 over bore piston rings for Namura provide a robust seal for 84.5mm cylinders in Yamaha 760 jet skis. The piston rings for Namura help restore lost compression by sealing the gap created after machining the cylinder block.
Overview
The .020 over bore piston rings for Namura are critical for engine performance after a cylinder bore service. Owners rely on these piston rings for Namura to achieve a tight fit that prevents combustion pressure loss during high-speed operation. This set meets the necessary tolerances for an 84.5mm engine build.
Built For Performance
- Engineered for accurate 84.5mm bore clearance
- Heat-treated composition ensures long life
- Maintains consistent radial pressure on cylinder walls
- Surface finish promotes optimal oil film retention
- Built to handle high-RPM marine stresses
Fits These Machines
- for Yamaha 1996 760 Jet Ski
- for Yamaha 1997 760 Jet Ski
- for Yamaha 1998 760 Jet Ski
- for Yamaha 1999 760 Jet Ski
- for Yamaha 2000 760 Jet Ski
On-The-Job Use
- Engine rebuilding for 760cc power units
- Restoring compression after cylinder wear
- Marine shop service and general maintenance
Specs At A Glance
| Bore Size | 84.5mm |
| Oversize | .020 |
Good To Know
Q: Does this set include enough rings for the whole engine? A: This set provides the necessary rings for one piston assembly, so ensure you have a set for each cylinder if doing a full rebuild.
Q: Can I install these without machining the cylinders? A: No, these oversized rings require the cylinder to be bored to the exact .020 over size to function safely.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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