Namura Standard Bore Piston Kit Size B (39.47mm) for KTM 50 SX 2009-2023 39.5mm
Namura Standard Bore Piston Kit Size B (39.47mm) for KTM 50 SX 2009-2023 39.5mm
FREE, Fast Shipping on all orders!
Piston Kit for KTM
This Namura standard bore piston kit Size B (39.47mm) for KTM 50 SX (2009-2023) replaces the original piston for engine repair and maintenance.
Overview
The Namura piston kit Size B (39.47mm) is designed for KTM 50 SX mini dirt bikes from 2009 to 2023, providing a standard bore replacement at 39.5mm nominal. It includes rings and pin for a complete top-end rebuild.
Built For Performance
- Size B specification for standard bore
- Precision-machined aluminum alloy
- Includes piston rings, wrist pin, and clips
- Lightweight for high-revving engines
- Direct fit for KTM 50 SX
Fits These Machines
- for KTM 50 SX (2009-2023)
On-The-Job Use
- Mini dirt bike racing
- Youth motocross
- Engine rebuild after wear
- Trail riding for young riders
Specs At A Glance
| Bore Size | 39.47mm (Size B, 39.5mm nominal) |
| Type | Standard Bore Piston Kit |
| Compatibility | KTM 50 SX 2009-2023 |
Good To Know
Q: What is the difference between Size B and Size C? A: Size B is 39.47mm and Size C is 39.48mm; they are both standard bore but slight manufacturing variations.
Q: Does this kit come with a gasket set? A: No, only the piston, rings, pin, and clips are included; gaskets must be purchased separately.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
Get it between -
Share
