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How To Build A Biked Engine Car

How To Build A Biked Engine Car

How To Build A Biked Engine Car

A bike engined car is a small or a lightweight car that has been built using an engine that was designed to be used on a motorcycle. Coming up with a biked engine car is not as simple as it looks like. However, if you use your creativity, you can do this job. If you are up to the task in trying to build a bike engine car, then this is a step by step guide on how you can be able to make that build.

Building The Car

Most of the motorcycles make about 200 horsepower which is a ton of power considering their small weight with their transmission. The key to building a biked engine car that is working is by making sure that the total weight of your build is below 2000 pounds. 

The perfect car for this type of build is the Honda S-600 because the car is already lightweight and you wouldn’t need to scrap most of its component. It is not that difficult to build if you carry over as much of the motorcycle as possible, things like the fuel tank, the exhaust, the fuel pump.

Disassembly:

The first thing you need to do when building your car that runs on a motorcycles’ engine is to remove everything that you wouldn’t need. By doing so you will be scraping off the unnecessary weight of the car. To make work easier for you when assembling components of your motorcycle, you can remove the body of the car from the car’s frame. The next step is to remove all the car’s internal combustion that you are not carrying over.

Mounting The Engine:

After disassembly, you would have to take your motorcycle engine and drop it in the hood of your car. You will have to take metallic or wooden rods to hang the engine so as to find the position of your mounts. Before settling on a position of the engine you will have to consider the following things:

  • The weight balance of your car
  • Efficient mounting to the frame
  • Driveshaft output angle

The perfect position for the engine considering those factors is putting the engine on the far back of the hood as possible and the engine should be on the opposite side of the driver’s seat, this will help to put the driveshaft straight. You can put around 4 to 6 mounts in the hood to hold the engine in place. The mounts should be thick in size in order to sustain the motorcycle’s weight. The purpose of the mount is to assist in tension and compression observed when driving aggressively.

Connecting The Engine To The Wheels:

In order to get the power of the engine to the wheel, you will have to use a driveshaft. You will have to put the engine up front on the driveshaft longitudinally mounted and the output of the engine will go straight to the back to the differential and then to the wheels. The most technical part of this operation is attaching the driveshaft into the sprocket of the engine; you will have to weld a tube to connect the sprocket and an adapter that fits into the driveshaft.

Reverse:

Since motorcycles do not have a revered option in their set up, it is essential that you build a system from scratch that will enable your car to have a reverse option. There is a reverse gearbox that is sold, the gearbox is basically a two sped transmission where one of the speed in reverse. The reverse gear box can be installed anywhere between the transmission output and the differentials.  

You will have to mount the gearbox on the mainframe for safety purposes. In to have a good setting you can put up a push-pull cable near the starring wheel, once activated the chains on the gearbox can be a bit loud when you are reversing your car.

Fuel system:

For the car to be able to move you will need fuel for the engine. An easier way for you to have a fuel system on your car is by installing one that belonged to a motorcycle as it contains the filter, the regulator, the pump and the level sender that will show you how much fuel you have in your tank. You will then have to run a new fuel line from your tank to the engine.

Exhaust:

To successfully build an exhaust system for your car you will need tubes that are the same size to that of the motorcycle’s exhaust. You will have to cut the stock header and cut it on the first downturn and weld on your tube that runs across the length of your car so that your fumes come out on the back. To keep the temperatures of the under the hood down you will have to ceramic coat your tube. 

Controls And Gauges:

In order to have a successful easy of a clutch for your car, you can install a motorcycles clutch master cylinder and put it on the shift lever of the car. If you are a motorcycle enthusiast you will like the build a lot as you will have that feel of a motorcycle while using the clutch in your car. For gauges, you can always take from a motorcycle and mount it on the front of your car so as you can see your speedometer, distance and fuel level with ease.

Cooling The Engine And Brakes:

Since the engine will be in the hood and not exposed to the outside as on the motorcycle it is prone to overheat quickly. You can keep the radiator that came with the car, this will provide more than enough cooling for the car. For the brake you can use the ones that came with the car as the new build will be lightweight, you can attach your brake system to your engine for speed reduction and stopping.

Conclusion

A lot of people have built a biked engine car before and there are a lot of resources on the internet for you to check out. You just have to have a plan before you begin and a budget. The key to completing this task is always using lightweight materials and always mount securely anything that you are attaching to the car so that it does not fall off.

  • Updated June 7, 2021
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