Malossi cylinder kit for all 50 cc Minarelli 4-stroke fuel-injected engines. What is unique about this kit is the provided control device for fuel-injection, hence the name “Injection-Tech”. The device comes pre-programmed with three maps and hereby offers enough options for all types of engine modifications. In addition, it regulates the fuel-air mixture up to +/- 20%.
Concerning displacement, the cylinder has a bore and stroke of 44 mm, respectively, which equals to 70 cc. Compression ratio is 12:1. Moreover, the cylinder liner has a hardened silicon carbide coating. Piston bore clearance amounts to 0.05 mm.
In regards to the piston, Malossi employs a reinforced, lightened design with three rings.
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