20 watt c scooters, cooters racing.

                      47cc Pocket Bike Carburetor $30  Pocket Bike Parts

 Specs: 47cc Carburetor for Pocket Bikes.  The Stock 47cc Carburetor uses the 0.64mm Jet, The
    Unit Price Part Name Shipping Cost Total Shopping Cart  | stock carburetor has 13 mm hole, the Modified carburetor has been ported out to 14mm.  Plus it has a big jet.
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 |$30 47cc Pocket Bike Carburetor(Venturi Hole diameter:13mm, Mount hole spacing:38mm) |$5.50 (U ) | $35
Youtube Video: 47cc carburetor repair                  47cc Carburetor Settings
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 |$30 47cc Pocket Bike Carburetor

(Venturi Hole diameter:13mm, Mount hole spacing:38mm)

 |$6 (US ) | $66

 

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  $50  Modified 47cc Pocket Bike Carburetor  (Ported out 14mm) with free jet pack(0.66 mm, 0.68mm, 0.70mm, 0.72mm  jet)  $5.50 (US )  $55
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We only sell to USA & Puerto Rico Street address.  We no longer take international order. 
Bigger jet doesn't necessary mean better performance. You pick  jet size
base on the climate.