20 watt c scooters,

  49cc (44mm) Dual Channel Cylinder Upgrade Kit for 47cc Motors $66

Specs:   This performance kit is design for 47cc motors (that uses a 40mm piston).
    Unit Price Part Name Shipping Cost Total Shopping Cart     The 44mm cylinder  has 2 ported channel, which is designed to work with  the modified  Piston that has extra boast port to give your bike that extra kick. The kit comes with everything shown in the picture.
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1

$66 Dual Channel Cylinder Upgrade Kit for 47cc motor 

$8 USA

$74

          

for the following Motor:

 

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 2

$66 Dual Channel Cylinder Upgrade Kit for 47cc motor  $9 USA $141
 

 

         
           
We only sell to USA & Puerto Rico Street address.  We no longer take international order.                            Technical Tips