The Skyhawk Stage II Whopper Stopper
4 Stroke 49cc Gas Bicycle engine kit. Complete with everything you
see. This awesome 4 stroke gas engine has over 2 1/2 horses and is
capable of speeds up to 35 mph.
Kit Includes:
4 cycle 49cc 2.5 hp engine
Grubee Patented Gear Box with engager
11 Tooth Drive Sprocket with freewheel
Magneto with kill switch
Wide pedal crank kit  
56 Tooth 9 hole chrome sprocket
2.5L fuel tank
Chrome FlowRight muffler
Push button lever engager handle
Dual brake Twist throttle with cable and kill switch
Drive chain idler
Heavy duty chain
Chain tensioner guide
Chain guard
All the mounting brackets, gaskets, and
hardware.
Complete users manual / installation instructions
                     Engine Specifications:

Engine:                                                Hua Sheng
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)                      2.5L
Oil Capacity(mL)                               250
Ignition System                                 TCI
Compression Ratio                         7.4
Carburetor                                         Float
Starting System                                Recoil
Dimensions(mm)                            288x272x250
Package Dimensions(mm)           400x320x300
$329.99
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quotes outside the USA