Moped cdi box problem

A CDI box is used in motorcycles and other vehicles to store electrical energy and deliver it to the spark plugs to ignite the air-fuel mixture in the cylinders. If your vehicle is not starting or running properly, one of the first things you should check is the condition of the CDI box. In this article, we will learn, moped cdi box problem, how to test a CDI box with a multimeter.

The CDI is like a computer as it controls the engine of your scooter. It instructs the fuel injectors when and for how long they should spray. It also directs the spark plugs on how to perform especially when they have to fire. The CDI goes bad because of different reasons. Some of them go bad because they are old, others experience a wiring short while others go bad because of a faulty charging system.

Moped cdi box problem

Any resources for testing which component might be faulty? I'm wondering what the stator's output must be to sufficiently fire the CDI? Seems there out to be a place to check this at the CDI connections. Most likely its the cdi itself. Very common on all cdi bikes. The little black box fails from heat. I read somewhere that as long as it is blue it doesn't have to be very strong. What do you experienced people know about this? If it's acting up once the throttle is raised. Could be missing under load causing tons of fuel to build up in the exhaust.

Clean or replace them as needed.

Cdi box keep blowing. ScootDawg's Scooter Forum a. The Dawg Pound. Jun 12, GMT I have a Qlink Pegasus that has blown 3 cdi units recently. I have replaced the cdi units, voltage regulator, ignition coil, pulsar coil. Any suggestions would greatly be appreciated!!!

The CDI is like a computer as it controls the engine of your scooter. It instructs the fuel injectors when and for how long they should spray. It also directs the spark plugs on how to perform especially when they have to fire. The CDI goes bad because of different reasons. Some of them go bad because they are old, others experience a wiring short while others go bad because of a faulty charging system. The CDI in your scooter is linked to the ignition. Therefore, if it is in good condition then you will have fewer or no issues with your ignition. It plays the role of storing electrical charge and increasing the spark power on the spark plug. Sometimes, a bad CDI does not cause sparks at all. Again, when a CDI box is about to go bad, it can lead to misfires, issues with starting, rough running or even stall the motor.

Moped cdi box problem

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Jun 15, GMT I feel like the shop is over looking something. For the blue wire to the white wire, you check for a resistance reading between 77 and Most likely its the cdi itself. Here are some common problems and their solutions:. In conclusion, testing your CDI box with a multimeter is a relatively easy process. I bought it last summer got about two months broke down, decided to wait till this spring to fix. There could be an issue with the fuel system, such as a clogged fuel filter or a bad fuel pump. Thanks, It doesn't say Kinetic. Place the black multimeter lead on one of the terminals on the CDI box. Go to branch. Clean or replace them as needed. Image taken from ignition side of bike. You know a CDI box is bad when your bike misfires, has dead cylinders, unusual tach behavior, runs roughly, experiences ignition problems, or its engine stalls. These mentioned symptoms can be confusing and one has to be careful before concluding that the problem is with the CDI.

Motorcycle manufacturers have for many years now installed electronic ignition systems in these two-wheelers.

The CDI goes bad because of different reasons. It is in transit now and I should get it this week. Image taken from ignition side of bike. All Rights Reserved. If you follow these tips, your CDI box should last for many years and provide optimal performance. This has only happened a couple of times as I don't want to get stuck out and don't trust the bike that well at this time. These connectors will lay on the frame causing shorts. As a side note the throttle adjustments are getting toward the end of range. I had this same problem on my Tomos Revival. Oct 09, AM. Thanks for the input. It is at least the good kind of off topic.