Vespa Cylinder Kit 177cc - PX -Sprint - Stella - BGM Pro

V-BGM1770NE         Piaggio #       Vespa Cylinder Kit 177cc - P-Sprint - Stella - BGM Pro    Description The bgm PRO 177 cylinder is a hard ceramic coated aluminum cylinder with 63mm bore. The coating (nickel-silicon-carbide) provides an extremely hard and durable raceway.The piston has a high silicon content. Therefore it has a lower thermal expansion, is more wear resistant and thermally very stable.Two 1mm thick piston rings minimize friction and thus increase power and speed stability.The channel layout of the cylinder with four main transfer ports and two boost ports is designed for high pressure from the lower speed range.The timing is with 57mm stroke at 118° overflow angle to 171° exhaust angle.The cylinder kit is designed as a plug 'n play solution, simply plugged in with SI carburetor and bgm Big Box Touring the power is around 15 HP and the torque is 17 - 19Nm at the rear wheel.With further expansion stages 25 HP and more are no problem. Low consumption values and the