Motorcycle AC DC CDI
The Motorcycle AC DC CDI manufacture!
Maixing Electromechanical Co., Ltd. is a leading high-tech enterprise based in Chongqing, China, that specializes in the production of motorcycle electrical parts. we are committed to providing high-quality and innovative products to our customers.
Why choose us
Professional team
Our dedicated team of professionals is passionate about delivering high-quality products and services that exceed our customers' expectations. Our commitment to quality, innovation, and sustainability has led to our continued growth and success.
Good service
We look forward to expanding our reach in the industry and providing our customers with innovative solutions that meet their needs.
Dare to innovate
Our focus on innovation has led to the production of motorcycle electrical parts that reflect our commitment to sustainable practices.
Quality assurance
Product quality is the foundation we have always maintained and the guarantee of customer trust.
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Motorcycle DC 4 Pin CDI for JD100 JH90 JH100 |
Minimum Continuous Ignition Speed |
Advance speed |
Blind speed |
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≤200r/min |
2000±200r/min |
3600±200r/min |
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Ignition Angle |
Continuous ignition speed range |
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15-30° |
200r/min-12000r/min |
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Applicable motorcycle models |
JD100 JH90 JH100 series |
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Benefits of Performance CDI Boxes
Increased RPM Limit
Allows higher revs for more power.
Improved Throttle Response
Better control leads to faster acceleration.
Adjustable Timing
Custom tuning for optimized engine performance.
Flywheel and Stator
The flywheel is a large horseshoe permanent magnet rolled into a circle that turns-ON the crankshaft. The Stator is the plate holding all of the electrical coils of wire, which is used to power ON the ignition coil, bike's lights, and battery charging circuits.
Charging Coil
The charging coil is one coil in the stator, which is used to produce 6 volts to charge the capacitor C1. Based on the flywheel's movement the single pulsed power is produced and is supplied to the sparking plug by the charging coil to ensure the maximum spark.
Hall Sensor
The Hall Sensor measures the Hall effect, the instantaneous point where the flywheel's magnet changes from a north to a south pole. When the pole change occurs, the device sends a single, tiny pulse to the CDI box which triggers it to dump the energy from the charging capacitor into the high voltage transformer.
Timing Mark
The timing mark is an arbitrary alignment point shared by the engine case and stator plate. It indicates the point at which the top of the piston's travel is equivalent to the trigger point on the flywheel and stator.
Trigger Circuit
The trigger circuit is a switch, probably using a Transistor, Thyristor, or SCR. This triggered by a pulse from the Hall Sensor on the stator. They only allow current from one side of the circuit until they are triggered.

Our factory
With an impressive facility spanning over 100 mu and a team of 480 employees, including 25 technical team members, we have an annual output value of 300 million yuan. We have established ourselves as a trusted supplier in the industry, producing 6 million sets of motorcycle magneto and starting motor each year.



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