Vespa malossi holed piston

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Nik221
registered user
Posts: 56
Joined: Thu Nov 27, 2014 2:13 am
Main scooter: Vespa PX221...
Location: Serbia, Nis
Contact:

I did drill the main jet hole to 2mm but thats all...
Velo Merde
registered user
Posts: 9
Joined: Sun May 10, 2015 10:18 pm
Main scooter: Jet 200
Location: Mars
Contact:

thats not the only thing to do, there are various manuals about SI tuning online.
that could be a reason that you have been to lean riding full on for a while...
Nik221
registered user
Posts: 56
Joined: Thu Nov 27, 2014 2:13 am
Main scooter: Vespa PX221...
Location: Serbia, Nis
Contact:

What else to do then ?
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