Replacement cylinder head for Malossi 112 cc - Ø57.5 mm, high compression ratio 12.5:1
This replacement cylinder head has been specially developed for the popular Malossi 112 cc cylinder of the Vespa V50 series. With its bore of Ø57.5 mm, it exploits the maximum potential that the V50 engine block physically allows - ideal for ambitious tuners who want to combine performance and suitability for everyday use.
The high compression ratio of 12.5:1 delivers sporty performance even with a moderate Malossi cylinder timing layout and ensures a clearly noticeable punch in the low and medium rev range. Thanks to the compact combustion chamber design, the setup remains thermally stable - even at high speeds.
The head is run with short-threaded plugs, for example:
Technical features
✅ S uitable for: Malossi 112 cc cylinder for Vespa V50
Bore: 57.5 mm - fully utilized for V50 engine housing
✅ Compression ratio: Sporty 12.5:1 - noticeable extra power, thermally robust
✅ S park plug type: Short thread, e.g. NGK B9HS or Bosch W2AC
✅ Material: High-quality aluminum with precisely manufactured combustion chamber profile
Conclusion
A consistently sporty replacement cylinder head for performance-oriented setups based on the Malossi 112 cc cylinder. Ideal for all those who want to get the most out of their V50 engine - without sacrificing proven stability.
DE | €
