How to Make a Homemade Moped

Written by scarlett gauthier
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How to Make a Homemade Moped
Mopeds are more cost efficient than other vehicles. (Old mopeds in front of a vintage store image by Ivonne Wierink from

A moped is a type of bike powered by a motor. More environmentally-friendly than vehicles, they are also generally more economic -- at least for in-city driving. In fact, some mopeds can achieve up to 120 miles per gallon of gas, making them much more cost-efficient than alternate modes of transportation. Despite the potential savings, however, purchasing a moped can be costly. Fortunately, you can modify a kick-powered scooter into your own custom moped by adding a seat, an engine, and a few other accessories.

Skill level:

Things you need

  • Chainsaw engine
  • 2-wheel kick-powered Scooter
  • Bicycle chain
  • Foot pedal
  • Hand accelerator
  • Bicycle seat and stand
  • Flagpole floor stand
  • Chain link extractor
  • Nuts
  • Bolts
  • Washers
  • Sprockets
  • Drill

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  1. 1

    Obtain a 2-wheel kick-powered scooter with inflatable tires. The scooter should have hand brakes and adjustable handlebars.

  2. 2

    Obtain a chainsaw engine and remove the chain and bar from the crankshaft.

  3. 3

    Attach a sprocket to the centrifugal clutch bell on the engine and another onto the scooter's rear axle.

  4. 4

    Drill holes into the engine housing and the scooter's platform in order to secure the engine. Place the engine onto the scooter's platform and align the two sprockets. Bolt the engine to the platform securely.

  5. 5

    Route a bicycle chain around the 2 sprockets and remove chain links with an extractor tool if needed. The chain should be tight around the sprockets.

  6. 6

    Affix a seat to the scooter by bolting a flagpole floor stand to the scooter platform. The seat stand should fit into the flagpole floor stand. Attach the bicycle seat to the stand and make sure the pole fits securely into the stand. Use a tightening brace similar to the one on bicycle seats if necessary.

  7. 7

    Attach a hand accelerator such as one from a dirt bike to one of the handle bars. Wire the accelerator to the appropriate on and off wires on the engine. Wire a foot pedal to the on and off system. Affix the pedal to the scooter platform.

  8. 8

    Adjust the seat's height in proportion to the height of the handlebars so you can sit on the moped comfortably.

Tips and warnings

  • Do not get a scooter with hard wheels because they do not handle uneven surfaces and high speed.
  • You can remove the centrifugal clutch if desired; however it is best left on when the chainsaw engine requires adding oil to the fuel.
  • Make sure to wear a helmet whenever operating the moped. Elbow and knee pads can be worn for extra protection.
  • Check with state laws because some states require a valid license to drive a moped.

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