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Kickstart lever for most largeframe vintage Vespas from 1960 to 1977
Wire Gauge: 4
Same as the Stage 1 plus Prima 161cc cylinder kit
Choke: Integrated Manual Pull-Button
and SYM DD50 Vespa / Lambretta Vintage 2-stroke performance tuning (requires manifold) Technical Specs
Prima 4mm Main Jet Tuning Kit - Keihin PB & CVK Carburetors Clutches (manual) Kickstart lever for most largeframeFine Tune Your Fuel: 10 Piece Prima 4mm Main Jet Kit Standard factory jetting is almost always "lean" to meet emissions standards, which can leave your scooter feeling sluggish. The Prima 4mm Main Jet Kit is the essential tool for riders installing big bore kits, performance exhausts, or high flow air filters. With 10 precision machined sizes, you can eliminate "flat spots" and find the perfect air fuel ratio for maximum throttle response. The Tuners
