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We ship anywhere in the world, no questions asked!
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Return requests are accepted 60 days after receipt. Click for details!
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Our expert staff is ready and eager to assist. Just call us at 1-800-798-0325!
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CDI Modules (Ignitors)

CDI Modules (Ignitors)What is a CDI module? A typical CDI module consists of a small transformer, a charging circuit, a triggering circuit and a main capacitor. First, the system voltage is raised up to 400-600 Volts by a transformer inside the CDI module. Then, the electric current flows to the charging circuit, charging a capacitor. A rectifier inside the charging circuit prevents the capacitor from discharging before the ignition point. When the triggering circuit receives triggering signal, the triggering circuit stops charging the circuit, allowing the capacitor to discharge rapidly to the low inductance ignition coil, which increases the 400-600 V capacitor discharge to up to 40 kV at the secondary winding. This 40 kV then jumps the spark plug gap. When there is no triggering signal, the charging circuit is reconnected and starts charging the capacitor again.

Our CDI modules are compatible with various versions of 50cc-150cc GY6/QMB139 4-stroke scooter engines as well as 50cc-150cc Chinese made Honda-style 4-stroke scooter engines.

KYMCO owners please note most of our CDI modules are AC. KYMCO scooters require DC CDI modules. We have the correct DC CDI modules for KYMCO scooters in stock.

Please compare your CDI module with the pictures on each item page carefully prior to ordering.




Scooter CDI Selection Guide
CDI Module (Ignitor) for 50cc, 90cc, 110cc, 125cc, & 150cc Gas Scooters & ATVs - 6 Pin Rounded Connector
CDI Module (Ignitor) for 50cc, 90cc, 110cc, 125cc, & 150cc Gas Scooters & ATVs - 6 Pin Rounded Connector
Item:G07-1489
Price:$11.99
CDI Module (Ignitor) for 50cc, 70cc, 90cc, 110cc, & 150cc Gas Scooters & ATVs - 5 Pin Square Connector
CDI Module (Ignitor) for 50cc, 70cc, 90cc, 110cc, & 150cc Gas Scooters & ATVs - 5 Pin Square Connector
Item:G07-1486
Price:$11.99
Direct Current (DC) CDI Module (Ignitor) for 50cc, 90cc, 125cc, & 150cc Gas Scooters & ATVs with 6 Pin Rounded Connector
Direct Current (DC) CDI Module (Ignitor) for 50cc, 90cc, 125cc, & 150cc Gas Scooters & ATVs with 6 Pin Rounded Connector
Item:G07-1564
Price:$17.99
CDI Module (Ignitor) for 50cc, 70cc, 90cc, & 110cc Gas Scooters & ATVs - 6 Pin Square Connector
CDI Module (Ignitor) for 50cc, 70cc, 90cc, & 110cc Gas Scooters & ATVs - 6 Pin Square Connector
Item:E06-600
Price:$9.99
CDI for the Baja Sun City (SC50S)
CDI for the Baja Sun City (SC50S)
Item:W75-8373
Price:$9.99
CDI for 50cc 2-stroke 1PE40QMB Minarelli Yamaha Jog Scooter Engines
CDI for 50cc 2-stroke 1PE40QMB Minarelli Yamaha Jog Scooter Engines
Item:F79-8701
Price:$14.99
High Performance No-Rev Limit DC CDI for KYMCO Agility 50
High Performance No-Rev Limit DC CDI for KYMCO Agility 50
Item:G07-1566
Price:$49.99
No-Rev Limit Performance CDI for 50cc Air-cooled Minarelli 1PE40QMB 2-stroke Engines
No-Rev Limit Performance CDI for 50cc Air-cooled Minarelli 1PE40QMB 2-stroke Engines
Item:F79-8702
Price:$29.99
No-Rev Limit Performance CDI for 50cc 2-Stroke Engines
No-Rev Limit Performance CDI for 50cc 2-Stroke Engines
Item:F79-4703
Price:$29.99
High Performance "No Rev Limit" CDI Module (Ignitor) for 50cc, 70cc, 90cc, 110cc, 125cc, & 150cc Gas Scooters & ATVs
High Performance "No Rev Limit" CDI Module (Ignitor) for 50cc, 70cc, 90cc, 110cc, 125cc, & 150cc Gas Scooters & ATVs
Item:G07-1451
Price:$22.99
High Performance "No Rev Limit" CDI Module (Ignitor) for 125cc & 150cc Scooters (Version 1)
High Performance "No Rev Limit" CDI Module (Ignitor) for 125cc & 150cc Scooters (Version 1)
Item:G07-1452
Price:$22.99
High Performance "No Rev Limit" CDI Module (Ignitor) for 125cc & 150cc Scooters (Version 2)
High Performance "No Rev Limit" CDI Module (Ignitor) for 125cc & 150cc Scooters (Version 2)
Item:G07-1453
Price:$29.99
High Performance "No Rev Limit" CDI Module (Ignitor) for 150cc Scooters
High Performance "No Rev Limit" CDI Module (Ignitor) for 150cc Scooters
Item:G07-1454
Price:$29.99
CDI Module (Ignitor) with Rev Limit for Baja ATVs - VIN Prefix LE8S
CDI Module (Ignitor) with Rev Limit for Baja ATVs - VIN Prefix LE8S
Item:F79-8664
Price:$89.99
CDI Module (Ignitor) for Baja ATVs - VIN Prefix LUAH
CDI Module (Ignitor) for Baja ATVs - VIN Prefix LUAH
Item:F79-8669
Price:$47.99
CDI Module (Ignitor) for Baja Wilderness 90-B (WD90) - VIN Prefix LE8S
CDI Module (Ignitor) for Baja Wilderness 90-B (WD90) - VIN Prefix LE8S
Item:F79-8672
Price:$47.99
CDI Module (Ignitor) for Baja Wilderness Trail 90 (WD90-U) & Canyon 90U (CN90-U) - VIN Prefix LE8S
CDI Module (Ignitor) for Baja Wilderness Trail 90 (WD90-U) & Canyon 90U (CN90-U) - VIN Prefix LE8S
Item:F79-8673
Price:$16.99
CDI Module (Ignitor) for Baja 150 (BA150) ATV - VIN Prefix LLCL
CDI Module (Ignitor) for Baja 150 (BA150) ATV - VIN Prefix LLCL
Item:F79-8674
Price:$54.99
CDI Module (Ignitor) for Baja Wilderness Trail 250 (WD250-U) ATV - VIN Prefix LLCL
CDI Module (Ignitor) for Baja Wilderness Trail 250 (WD250-U) ATV - VIN Prefix LLCL
Item:F79-8677
Price:$48.99
CDI Module (Ignitor) with 3 Connectors for Baja Wilderness Trail 400 (WD400) ATV - VIN Prefix LWG
CDI Module (Ignitor) with 3 Connectors for Baja Wilderness Trail 400 (WD400) ATV - VIN Prefix LWG
Item:F79-8685
Price:$146.99
CDI Module (Ignitor) with 2 Connectors for Baja Wilderness Trail 400 (WD400) ATV - VIN Prefix LWG
CDI Module (Ignitor) with 2 Connectors for Baja Wilderness Trail 400 (WD400) ATV - VIN Prefix LWG
Item:F79-8686
Price:$146.99
External Electronic CDI Ingition Coil Combination for Vespa VSE
External Electronic CDI Ingition Coil Combination for Vespa VSE
Item:G07-1515
Price:$127.99
External Electronic CDI and Ignition Coil Combination for Vespa VSX, VNX
External Electronic CDI and Ignition Coil Combination for Vespa VSX, VNX
Item:G07-1516
Price:$51.99
250cc CDI Module for Honda Elite 250 (1988 Models) (OEM)
250cc CDI Module for Honda Elite 250 (1988 Models) (OEM)
Item:G07-1544
Price:$143.99
250cc CDI Module for Honda Elite 250 (1989-1990 Models) (OEM)
250cc CDI Module for Honda Elite 250 (1989-1990 Models) (OEM)
Item:G07-1545
Price:$227.99
250cc CDI Module for Honda Elite 250 (1985-1987 Models) and Helix CN250 (1986-1987 Models) (OEM)
250cc CDI Module for Honda Elite 250 (1985-1987 Models) and Helix CN250 (1986-1987 Models) (OEM)
Item:G07-1523
Price:$164.99
250cc CDI Module for Honda Helix CN250 (1992-2007 Models) (OEM)
250cc CDI Module for Honda Helix CN250 (1992-2007 Models) (OEM)
Item:G07-1524
Price:$284.99
High Performance "No Rev Limit" CDI Module (Ignitor) for 50cc, 125cc, and 150cc GY6 Engines (NCY)
High Performance "No Rev Limit" CDI Module (Ignitor) for 50cc, 125cc, and 150cc GY6 Engines (NCY)
Item:N71-3874
Price:$60.99
High Performance "No Rev Limit" CDI Module (Ignitor) for the Honda Ruckus (NPS50) (NCY)
High Performance "No Rev Limit" CDI Module (Ignitor) for the Honda Ruckus (NPS50) (NCY)
Item:N71-3875
Price:$98.99
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