I have a 1979 Vespa Grande and just installed an Olympia 43mm kit. Stock jet is a #49 at .021". I can open up jets to any size, so looking for recommendations. Thanks Lee
I have a 1979 Vespa Grande and just installed an Olympia 43mm kit. Stock jet is a #49 at .021". I can open up jets to any size, so looking for recommendations. Thanks Lee
Upsize the intake, carb and exhause pipe, then seek jetting
start high n then drill smaller
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