Kit 180cc


• Bore: Ø 63 mm
• Stroke: 58.6 mm
• Displacement: 182.58 cc
• Compression ratio: 1:11
• Material: primary aluminium alloy with a high content of hardened and tempered silicon, cylinder liner with silicon carbide coating in a galvanic nickel die and crossed smoothing with two diamond passages with very limited tolerances
• Machining: on machine tools with high precision numerical control
• Cylinder-piston connection with an allowance of 0.05 mm
• Recalculated and upgraded heat exchange surfaces

• Ultra compact with 3 rings
• Material: special aluminium alloy with high silicon content, low thermal expansion and a tin facing on the sliding surfaces
• Machining on machine tools with numerical control
• Lightened and reinforced
• Upgraded heat exchange surfaces

• Special rings with high sliding ease and very high mechanical resistance
• I° ring compression in nitrided and chromium steel
• II° special cast iron ring
• Three piece scraper ring made of chromium-plated special steel alloy

Products reserved exclusively for competitions in places intended for them, in accordance with the provisions of the competent sports authorities. We disclaim all liability for improper use


* Non-approved accessory for driving on public roads. Mounting this accessory will void the warranty of the bike.

Modelos compatibles:

Marathon 125 SM Pro
Marathon 125 Pro