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49cc Motorized Bicycle Kit 4 Stroke Engine With Sprocket
49cc Motorized Bicycle Kit 4 Stroke Engine With Sprocket
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Turn any compatible bicycle into a practical motorized ride with the 49cc Motorized Bicycle Kit. This single-cylinder, 4-stroke engine delivers dependable power for daily commutes and weekend cruises, giving you extra freedom on every ride.
- Reliable 49cc 4-stroke engine for smooth, efficient power and steady response.
- Belt-driven drive system for quiet operation and simple maintenance.
- Easy retrofit designed to fit a wide range of compatible bicycles with straightforward installation.
- Versatile riding options from urban commuting to relaxed weekend cruises.
- Low maintenance components and durable construction keep you moving.
Designed to preserve the feel of your bike while adding practical motorized capability, this kit makes everyday trips more flexible and enjoyable. Whether you’re commuting, running errands, or just taking a weekend ride, the 49cc motor provides dependable performance without sacrificing control.
Gallery images are available in the product listing to show the kit installed on different bicycles, illustrating fit, installation, and real-world use.
Engine model |
142F |
Engine type |
Air-cooled, 4-Stroke, OHV, single cylinder |
Bore x Stroke |
41.8 x 36 mm (1.65 x 1.42 in) |
Displacement |
49 cm3 (2.99 cu in) |
Compression ratio |
8.0 : 1 |
Net horse power output |
1.6KW (2.1HP) at 7,000 rpm |
Net torque |
2.7 NM (2.0 lbs ft) at 4,500 rpm |
PTO shaft rotation |
Counterclockwise (from PTO shaft side) |
Ignition system |
Transistorized magneto ignition |
Starting system |
Recoil starter |
Lubrication system |
Forced splash |
Governor system |
Centrifugal mechanical |
Oil capacity(for luburati oil) |
0.25L (0.26 US qt, 0.22 Imp qt) |
Fuel tank capacity |
0.77L (0.81 US qt) |
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