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TECHNICAL FEATURES

Cylinder

• 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.

Piston

• 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.

Piston rings

• Compression - special rings with high sliding ease and very high mechanical resistance, in chromium-plated S10 spheroidal cast-iron.
• 1st scraper - ring in chromium-plated S10 spheroidal cast iron.
• 2nd three - piece scraper ring made of chromium-plated steel alloy.

To be installed exclusively with Force Master 2 ref:1125267 (5514235):

• MBK EVOLIS 250 ie 4T LC 2014->
• YAMAHA X CITY 250 ie 4T LC euro 3 (G358E)
• YAMAHA X CITY 250 ie 4T LC euro 3 2014-> (MD42M)
• YAMAHA X MAX 250 ie 4T LC euro 3 2008->2009 (G362E)
• YAMAHA X MAX 250 ie 4T LC euro 3 2010->2013 (G3B7E)
• YAMAHA X MAX 250 ie 4T LC euro 3 2014->2017 (G3B3E)