Namura .020 Over Bore Piston Rings for Honda CR250R fits 1997-2001 Models 66.9mm
Namura .020 Over Bore Piston Rings for Honda CR250R fits 1997-2001 Models 66.9mm
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.020 Over Bore Piston Rings for for Honda
These .020 over bore piston rings for for Honda restore compression and sealing within the cylinder, replacing OEM numbers 66.9mm.
Overview
The .020 over bore piston rings for for Honda ensure proper combustion chamber pressure for engine power. This set of .020 over bore piston rings for for Honda is designed for rebuilt engines that have undergone cylinder boring. Utilizing these .020 over bore piston rings for for Honda allows for renewed performance in compatible dirt bike engines.
Built For Performance
- Chrome-plated faces for improved durability and heat resistance
- Optimized tension provides a consistent seal against cylinder walls
- Engineered to manage oil control and compression cycle
- Compatible with over-bored cylinder configurations
Fits These Machines
- for Honda CR250R 1997
- for Honda CR250R 1998
- for Honda CR250R 1999
- for Honda CR250R 2000
- for Honda CR250R 2001
On-The-Job Use
- Restores power lost to worn or damaged rings
- Required during top-end engine rebuilds
- Essential for break-in procedures after cylinder boring
Specs At A Glance
| Size | .020 Over Bore |
| Diameter | 66.9mm |
| Part Number(s) | 66.9mm |
Good To Know
Q: Do these rings require gapping? A: Yes, always check the ring end gap inside the cylinder bore before final assembly to ensure manufacturer specifications are met. A: Proper ring orientation is required during installation to prevent blow-by.
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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