For Air Cooled Vespa, Piaggio, and Aprilia 125-150cc Scooters with Piaggio Leader Engine. Malossi Big Bore Kit, 187.6cc, Aluminum cylinder, Nikasil lined cylinder. With Piston, Rings, Gaskets. Without Head. For models WITH CARBURETOR only.
For newer ie or fuel injected models, use part number M3111461, it has the electronic components you need to make it work. Call with fitment questions.
Bore Ø 70 mm;
Stroke 48.6 mm;
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.
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 strength..
I° ring compression in nitrided and chromium steel.
II° special cast iron ring.
Three - piece scraper ring made of chromiumplated special steel alloy.
APRILIA Mojito 125 with Piaggio Engine
DERBI Boulevard 125 with Piaggio Engine
ITALJET Torpedo 125/150
PIAGGIO Fly 125/150
PIAGGIO LT 150
PIAGGIO LT 125
VESPA LX 150
VESPA LXV 150
VESPA S 150
We now have very good rates on shipping to Canada and Australia for this kit.
Last edited by Motovista on Sun, 04 Jun 2023 21:10:44 +0000; edited 1 time