Vespa Grande Head Leak

Garrett Bell /
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Hey all!

Setup:

1. Stock Vespa bottom end

2. 50 DR kit just installed

3. Polini head with lappped decomp

4. Stock

Just installed dr kit and did some leak tests only to find bubbles around the head, base gasket is good. Head gasket is tight on the studs so perhaps I need to trim the holes a bit but it’s not much and no major bends in the gasket after removing head.

Was curious if I should try to sand down the head or rtv the metal head gasket or run no head gasket or something else?

Any help is much appreciated!

-Garrett-

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