UNI AUTO Stage 4 cylinder kit for 200 cc Lambretta engines
Cylinders from UNI AUTO with Stage 4 specification. In other words, cast directly with larger channel surfaces. The cylinder casting is very hard. It is recommended as a stable touring cylinder. This means that the cylinder can be used with carburetor sizes from 20 to 30 mm.
You can build a fast touring engine with a 30 mm carburetor and the bgm Big Box Clubman exhaust. Depending on the gearbox and personal taste, the gear ratio should then be selected between 5.22 and 4.80.