![]() ![]() Perfectly fine to be used with the original carburator (increase the main jet by about 5-10%) and most of the original pots (engine revenue will increase by about 1500 rpm for all of those cylinders). Iron cast, two piston rings and not many bells and whistles is what you want from a wallet friendly “eco” sport cylinder kit. So what does all this mean?įeature wise the Stage6 Streetrace and the Malossi Sport are similar. At 200€ for the liquid cooled version it is most likely not your first choice but if you run an air cooled model it becomes interesting at 130€. It is the only modular cylinder (cylinder head consists of two separate pieces) of them all which also makes it the most expensive one. A cast iron cylinder with 8 transfer ports (Piaggio) and a cut out piston skirt piston with two piston rings. The last of the bunch is the Polini Sport 70cc. Polini Sport 70cc Cylinder Kit Polini Sport 70cc Cylinder Kit The air cooled version should again be about 30€ less. The liquid cooled model is available at about 150€. The Malossi Sport 70cc is a cast iron cylinder with 8 transfer ports (Piaggio) and a single windowed piston with two piston rings. Malossi Sport 70cc Cylinder Kit Malossi Sport 70cc Cylinder Kit The liquid cooled model is available at about 150€ whereas the air cooled one set you only 120€ back. The Stage6 Sport Pro 70cc is an aluminium cylinder with 7 transfer ports (Piaggio) and a non windowed (very shirt piston skirt) piston with one piston ring. ![]() Stage6 Sport Pro 70cc Cylinder Kit Stage6 Sport Pro 70cc Cylinder Kit ![]() will have an article about the difference of one and two piston rings and more available soon.) The liquid cooled model is available at about 130€ (not sure if there is an air cooled model out there). (Don’t worry if you don’t understand all this. The Stage6 Streetrace 70cc is a cast iron cylinder with 8 transfer ports (Piaggio) and a two windowed piston with two piston rings. Therefore I here present the 70cc Sport Cylinder Review out there, featuring the Malossi Sport 70cc, the Polini Sport 70cc, the Stage6 Streetrace 70cc and the Stage6 Sport Pro 70cc!īefore getting into the nitty gritty let’s have a look at each of them individually: 70cc Sport Cylinder Kit Review Stage6 Streetrace 70cc Cylinder Kit Stage6 Streetrace 70cc Cylinder Kit However, during my research I stumbled over a great blog that had not only better test equipment (Dyno!) than me, but also reviewed its main competitors from Polini and Stage6. It is cheap, long lasting, powerful and available for pretty much every scooter model on the planet. One of the best selling 70cc cylinders ever made. I initially wanted to write a review solely about this bad boy above, the Malossi Sport 70cc. ![]()
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December 2022
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