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Athena Internal Head O-ring in Viton 73X2mm KTM SX 250 07-
In stock at our supplier. We dispatch this product within 2–5 working days.

Product description
The Athena internal cylinder head O-ring seal in Viton (73 x 2 mm) is a high-quality seal for 2-stroke KTM SX 250 engines, designed for riders and teams who prioritize reliability and long service life during intensive use.
- Material: Viton (FKM) O-ring with excellent heat and chemical resistance
- Dimensions: 73 x 2 mm – exact size for a precise fit in the cylinder head seal
- Color: Black
- Type: Internal cylinder head O-ring seal – precision-sized for a flat seat and reliable compression
- Brand: Athena – decades of experience in engine seals and gaskets
- Application: Designed for KTM SX 250 models from 2007 onwards and comparable 2-stroke 250cc engines
- Item number / MPN: JU-M752007300094
With this O-ring, the cylinder head seal maintains its integrity under high temperatures and heavy loads. The Viton material offers excellent resistance to heat and chemicals in motor oil and fuels, which extends the seal's service life. A proper seal prevents compression loss and keeps performance and reliability consistent during practice sessions and races. Replacement during regular maintenance is simple and ensures consistent engine response and a longer service life for both the seal and the engine.
Specifications
Manufacturer and product safety
Manufacturer
Athena S.p.A.
Via delle Albere 13
36045 Alonte (VI)
Italy
motorsport@athena.eu
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