Aluminum piston cylinder Ø53.94 mm KTM SX, EXC 125 (2002 - 2006) original (standard exchange)

Top KTM EXC engine and SX 125

Complete piston liner kit with original cylinder for 125cc KTM SX, EXC motorcycle from 2002 to 2006. This used original cylinder has been reconditioned in the factory to have the characteristics of a new product. We offer this complete pack with a new piston and seals for perfect assembly. Also remember to replace the piston pin needle cage measuring 15x19x19.5 mm which is not supplied in the high engine kits (this bearing is sold separately).

This piston cylinder block kit includes

• 1 x cylinder in standard exchange (rebuilt at the factory)
• 1 x piston
• 1 x set of seals
• 2 x piston rings
• 2 x circlips
• 1 x gudgeon pin

Technical characteristics and dimensions of the cylinder block kit

• Cylinder brand: KTM
• Original cylinder reference: 503.30.005.300 R
• Cylinder material: aluminum
• Piston diameter: 53.94 mm
• Piston pin diameter: 15 mm

Standard exchange parts, please follow the following instructions:

• 1) Place your order on the KTM cylinder kit website
• 2) Send us your old identical original KTM cylinder to the address: Ets Marolleau - 28 rue Jean Giraud - 79140 Cerizay
• 3) Upon receipt of the old cylinder, we will send you a new cylinder kit within 24 hours (excluding weekends and public holidays).

Price of the KTM EXC cylinder piston kit, SX from 2002 to 2006: €487.30 incl. tax (price subject to taking back the old cylinder)


To order the needle cage compatible with the cylinder, click on this link.