KTM piston assembly — Piston I complete
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Write A ReviewKTM 300 EXC (EU) – various years including 2024–2026
KTM 300 EXC Champion Edition (EU) – 2025, 2026
KTM 300 EXC Hardenduro (EU) – 2024, 2025
KTM 300 EXC Six Days (EU) – 2024, 2025
KTM 300 XC-W Champion Edition – multiple years
KTM 300 SX and other 300 models in some older or special diagrams — when listed.
The “II” designation means this is the larger bore piston (oversize) compared to Piston I (standard size). If your cylinder has significant wear and has been re-bored, this oversize piston is what you need.
| SKU | 55630307100II |
| Brand | KTM |
| Shipping Weight | 0.4000kg |
| Shipping Width | 0.100m |
| Shipping Height | 0.100m |
| Shipping Length | 0.100m |
| Shipping Cubic | 0.001000000m3 |
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