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How to derestrict an electric scooter

Updated July 19, 2017

Before you derestrict your electric scooter, you should know that this modification will void the warranty. Derestricting your scooter is a two-part process. The first part involves disabling the capacitor discharge ignition (CDI) unit. The CDI unit electronically restricts the engine from reaching full power. You must remove a wire that sends information about the speed of the back wheel to the CDI unit. Once you remove this wire, you'll have a scooter that operates at full throttle. The second part of the derestriction process allows more fuel to get to the engine. This is more complicated because it involves raising a needle to allow more fuel into the carburettor.

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  1. Locate the pink wire on the body panel -- found on the right side of the scooter -- and follow it to the battery compartment. Disconnect the pink wire from the CDI plug.

  2. Cover the end of the pink wire with electrical tape.

  3. Lift the scooter's seat to expose a cover at the bottom of the storage compartment. Use a Phillips screwdriver to remove the screws fastening the cover to the bottom of the compartment.

  4. Remove the rubber seal and the yellow disc attached to it. These pieces fit snugly around a tube. Gently lift these pieces away from the tube.

  5. Examine the pieces that rest between the rubber seal and yellow disc. You should see a spring, a white plastic plug and a metal needle with two washers. One washer is loose; gently slide the loose washer off the needle. Use pliers to remove the second washer, which rests on the top groove of the needle.

  6. Replace the second washer on the needle. Slide the washer down to the middle groove of the needle. Use pliers to make the job easier, but be careful not to bend the needle.

  7. Replace the black rubber seal and ensure the small lug is lined up with the recess in the carburettor top.

  8. Slide the loose washer onto the needle. Insert the needle into the hole in the tube.

  9. Insert the white plastic plug into the tube, then insert the spring into the tube to complete the process.

  10. Tip

    Replace the scooter's roller weights to increase the acceleration of the scooter. Most rollers are 16 by 13cmm, and weigh 6.5g. You can replace these weights with 4g roller weights.

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Things You'll Need

  • Phillips screwdriver
  • Pliers
  • Electrical tape

About the Author

Ann Rach began her career as a writer in 1998. Her articles have appeared in magazines such as "Country Home, "Wish," "Cookie" and "Domino." Rach holds a Bachelor of Arts in English.

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