75cc D.R. Cylinder for Vespa 50 – powerful & proven
The 75cc D.R. is one of the most commonly installed cylinders in the 50cc segment. A very wide usable rev range and strong low-end torque make this cylinder the first choice for frequent two-up riding. Its exceptional durability and versatility make it a reliable companion.
Performance specs, carburetor tips & setup advice
Speeds of 65–75 km/h are easily achievable. On the 40 km/h version of the 50N, be sure to use an open exhaust and replace the SHB 16/10 carburetor with the 50 km/h version (SHB 16/16).
Compression is around 10.7:1, and it is not absolutely necessary to install a larger carb or a longer gear ratio.
TIP: When using an SHB 16/16 carb and an unrestricted original exhaust, the main jet should be increased to 70–74.
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