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Have a full suspension bike
or a bike that doesn't have room to mount an engine
inside the frame? Then, this rear mount kit is
just what you have been looking for. Includes the
engine, rack, and all the necessary hardware
to mount and install the 50cc 4 stroke engine over
the rear tire. Universal design adapts to almost any
bicycle. A truly versatile engine kit. Kit comes
complete with everything you need to assemble. Just
supply your bike of choice.
 For a limited time get FREE SHIPPING on all web site orders of $100 or more. Enter coupon code FREESHIP during checkout.
*Offer valid for standard ground shipping on orders in the Continental US only.

Rear Mount Engine Kit Includes:
- 4 cycle 50cc 2.5 hp Honda engine
- Stage III Gearbox & Centrifugal Clutch
- Rear Mount Muffler Pre-installed
- Heavy Duty 415 Chain
- 56 Tooth Sprocket
- Sprocket Installation Hardware
- Rear Mount Gas Tank
- Mounting Rack & Brackets
- Throttle With Kill Switch
- Deluxe Diaphram Pump Carb
- Chain Tensioner
- Engager Lever
- Instruction Manual
- 6 month limited warranty

At approximately 2.5 HP this bicycle engine gets
about 100 to 150 mpg and can hits speeds of 35 MPH
or more. 4 cycle engines require little maintenance.
Simply add gas and oil and the engine is ready to
operate. Make regular oil changes and your engine
will last you for many years to come.
Engine Specifications:
| Engine Type |
Air-cooled 4-Stroke OHV Single Cylinder
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Bore x Stroke |
41.8 x 36 mm (1.65 x 1.42 in)
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Displacement |
49 cm3 (2.99 cu in)
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Compression Ratio |
8.0 : 1
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Net Horse Power Output* |
1.6kW (2.1hp) at 7,000 rpm
|
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Net Torque |
2.7 Nm (2.0 lbs ft) at 4,500 rpm
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PTO Shaft Rotation |
Counterclockwise (from PTO shaft
side)
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Ignition System |
Transistorized megneto ignition
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| Starting
System |
Recoil Starter
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|
Carburetor |
Float Type
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| Lubrication System |
Forced Splash
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Governor System |
Centrifugal Mechanical
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Air Cleaner |
Semi-dry Type
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Oil Capacity |
0.25l *0.26 US qt, 0.22 Imp qt)
|
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Fuel Tank Capacity (liter) |
0.77l (o.81 US qt)
|
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Dimensions (L x W x H) |
225mm (8.9 in) x 274mm (10.8 in) x
353mm (13.9 in)
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Dry Weight |
5.5 kg (12.1 lbs)
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* The power rating of the engine indicated in this document is the net power output tested on a production engine for the engine model and measured in accordance with SAE J1349 at 3600 rpm (7000 rpm for model GHX50). Mass production engines may vary from this value. Actual power output for the engine installed in the final machine will vary depending on numerous factors, including the operating speed of the engine in application, environmental conditions, maintenance and other variables.
Performance Curve:
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Optional Upgrades: |
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Thumb Clutch And Brake |
Mid Frame Kick Stand |
Heavy Duty Axle Kit |
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