Malossi ALUMIN-CYLINDER 58 pin 15 4-stroke

COMPLETE CYLINDER 4-STROKE

TECHNICAL FEATURES

Cylinder

• Bore: Ø 58 mm
• Stroke: 57,9 mm
• Displacement: 153 cc
• 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.

 

Modellek:

• YAMAHA CYGNUS X 125 4T