Main Jet #100; SI Carbs
Original price
$6.00
-
Original price
$6.00
Original price
$6.00
$6.00
-
$6.00
Current price
$6.00
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
This is the small, cone-shaped jet at the bottom of the main jet stack. They come in various sizes ranging 82-165. Most vintage Vespas will use one in the 85-116 range, though performance-modded engines can drink a lot more gas and use much bigger jets. The larger the number, the more fuel will flow through.
_x000D_Jetting is something that takes trial and error. See our blog page of for more info.
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