aluminium complete cylinder ø 70 pin ø 15 i-tech 4-stroke

Description

TECHNICAL SPECIFICATIONS

Cylinder

• Bore Ø 70 mm;
• Stroke 48.6 mm;
• Displacement 187.6;
• Compression ratio 11.5:1.
• 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

• 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 chromiumplated special steel alloy.

CDI

• Carburation adjusting
• ± 20% at min/medium/max
• RPM limiter : + 1000 RPM
• 4 different maps

Products reserved exclusively for racing in specifically designed locations according to the provisions of the competent sporting authorities. We disclaim all liability for improper use