Classic Vespa Tech – looking for air leaks

An air leak in your engine is not good, but finding the source of the problem is not easy. Magazine articles about testing for such leaks, 'or leak down tests', often feature a classic Lambretta engine, so we thought it high time to address that. For our article in edition 43 of ScooterNova magazine we … Continue reading Classic Vespa Tech – looking for air leaks