The Skyhawk Stage III Whopper Stopper

This 4 stroke motorized bicycle engine kit comes with everything that you need to convert most V-frame bicycle to a 49cc gas powered scooter. Simply clamp on the engine, install the sprocket, gas tank, and other hardware and you'll be up a running in a couple of hours. Installation requires some tools and a moderate mechanical apptitude.

High quality 4 stroke Hua Sheng engine gets you 150mpg with top speeds of about 35 MPH (pretty fast on a bicycle). These things are built to last and require virtually no maintenance.

With the built in clutch you maintain full function of the original bike. with a Pedal, shift, and ride your bike like normal. When you want to engage the engine simply release the clutch hand lever and the engine springs to life. To power off simply press the included kill switch.

Engine Specifications:

Engine Type

Air-cooled 4-Stroke OHV Single Cylinder
Max Power(kw/r/min)

1.5 KW / 2 HP / 6800
Fuel Consumption(g/kw·h)

≤480
Fuel Consumption(L/h)

0.78
LWA(dB(A))

101
Net Weight(kg)

7
Displacement(cc)

49.1
Fuel Tank Capacity(L)

--
Oil Capacity(mL)

250
Ignition System

TCI
Compression Ratio

7.4
Carburetor

Float
Starting System

Recoil
Approximate Dimensions

Height - 9 1/2", Width - 10", Length - 9"

This kit is legal in almost all states. Most laws stipulate that any mostorized vehicle under 50cc is legal to operate without a license, registration, or insurance. You can find a kit with a larger engine, but you will be required to have a drivers license and you must license, register, and insure your scooter. Don't bother with the hassle--get the biggest engine available that doesn't require license, registration, and insurance!