Scooterotica

Posted: **Thu Nov 20, 2014 10:48 am**

Quick question:

Bogstandard Vespa T5, when fitting a PM exhaust: Update jetting only or do I also need to retard the timing as well?

Posted: **Thu Nov 20, 2014 6:24 pm**

116 main jet and come down if necessary. leave the timing alone.

Posted: **Tue Nov 25, 2014 1:55 pm**

pm is no use at all on a stock t5

Vespa T5