Malossi Racing Cylinder for Vespa GTS 300

Malossi Big Bore Cylinder For Vespa GTS 300 Engine. Higher Compression means better performance.
Bore 75.5 mm;
Stroke 63 mm;
Compression ratio 12.5:1.
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.
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.
NB: can be assembled with V4 HEAD Code = 3813273
VESPA GTS i.e. 300
VESPA GTS Super i.e. 300
VESPA GTV i.e. 300
  • Model: 3113958