Modern Vespa : Engine problems

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OP danie UTC details Hooked '57 VN2, '70 180 Rally, '80 P150X, '80 P200E, '05 GT200 Joined: UTC Posts: 416 Location: George, South Africa
OP danie Hooked '57 VN2, '70 180 Rally, '80 P150X, '80 P200E, '05 GT200 Joined: UTC Posts: 416 Location: George, South Africa	UTC quote Why does an engine hunt? It starts well, idles well, but as soon as it get revs, it starts hunting.

chandlerman UTC details Innovator 63 GL, 62 VBB, 05 Stella, 66 Smallstate, 66 Lammy S3, 63 Lammy S3 Riverside Joined: UTC Posts: 12273 Location: Nashville 97 Days Since Last Explosion
chandlerman Innovator 63 GL, 62 VBB, 05 Stella, 66 Smallstate, 66 Lammy S3, 63 Lammy S3 Riverside Joined: UTC Posts: 12273 Location: Nashville 97 Days Since Last Explosion	UTC quote Hunting means you're lean, especially at idle. It's probably an air leak if it just started doing it. If that's the case, you need to find and fix it. If you know you don't have a leak, you need a richer idle jet (at a minimum).