20 watt c scooters,

49cc Cylinder Upgrade Kit (for 2-stroke Mid Bikes) $55

Specs: This Upgrade  kit converts your 43cc motor into a 49cc motor.
    Unit Price Part Name Shipping Cost Total Shopping Cart  |     If you don't know if your motor is a 43cc or 49cc motor.  The 43cc motor uses the 40mm piston rings, and 49cc motor uses the 44mm piston ring.   The picture below shows the cylinder differences.


$55 49cc Cylinder Upgrade kit (for Mid bikes)

$8 USA



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