Aluminum duh but you're barking up the wrong tree if you think you need more compression. There are some pretty good aftermarket heads for Vespa. The malossi 43 is nice.
Vespa is 100% impossible to start without decomp
Aluminum duh but you're barking up the wrong tree if you think you need more compression. There are some pretty good aftermarket heads for Vespa. The malossi 43 is nice.
Vespa is 100% impossible to start without decomp
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