Collection: CDI & Ignition Modules
Affordable replacement & racing CDI boxes for GY6 50cc-250cc scooters, ATVs, mopeds, go-karts, and pit bikes. Options include 5-pin AC, 6-pin AC/DC (standard & racing with unlimited revs/adjustable timing/DIP switches), 4-pin DC, 8-pin, and 18-pin EFI modules — plus bundles with ignition coils, regulators, solenoids, or wiring kits. Fix no-spark issues, boost performance, raise RPM limits, and improve throttle response on a budget.
Best fits: GY6 50cc-150cc (most common AC 6-pin), CG 125cc-250cc vertical engines, horizontal 50cc-125cc pit bikes/ATVs, TaoTao, SSR, SunL, Roketa, Baja, Coolster, Chinese brands, and select dirt bikes/outboards. Most are plug-and-play aftermarket replacements (AC for magneto systems, DC for battery-powered) — durable aluminum shells for quick repairs or upgrades!
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CDI Unit for Yamaha 25HP 30HP 2-Stroke Outboard Ignition Module 61N-85540
5.0 / 5.0
(4) 4 total reviews
Regular price $29.99Regular priceSale price $29.99 -
CDI Unit for Yamaha 40HP 2-Stroke Outboard | 6F6-85540-00
Regular price $19.99Regular priceSale price $19.99 -
CDI Unit for Yamaha 8HP 9.9HP 4-Stroke Outboard Ignition Module 68T-85540
5.0 / 5.0
(1) 1 total reviews
Regular price $22.99Regular priceSale price $22.99 -
CDI Unit for Yamaha 9.9HP 15HP 2-Stroke Outboard | 63V-85540-00
Regular price $14.99Regular priceSale price $14.99 -
CDI Unit for Yamaha 9.9HP 15HP 2-Stroke Outboard | 6B4-85540-00
Regular price $19.99Regular priceSale price $19.99 -
Complete Ignition Rebuild Kit for 50cc-125cc ATV & Go Kart
4.8 / 5.0
(5) 5 total reviews
Regular price $37.99Regular priceSale price $37.99 -
Complete Ignition Wiring Harness Kit for 50cc–125cc ATV & Go Kart
4.75 / 5.0
(4) 4 total reviews
Regular price $20.99Regular priceSale price $20.99 -
Electronic Control Unit for Kawasaki Brute Force 650 750 & Prairie 360 650 700 | 21175-0935
Regular price $49.99Regular priceSale price $49.99 -
GOOFIT 6-Pin AC Racing CDI for CG 125 150 200 250 Vertical Engine No Rev Limit
5.0 / 5.0
(8) 8 total reviews
Regular price $11.99Regular priceSale price $11.99 -
GOOFIT 6AH-85540 CDI Unit for Yamaha F15 F20 4-Stroke Outboard Ignition Module
Regular price $29.99Regular priceSale price $29.99 -
GY6 Electrical Rebuild Kit for 50cc–150cc Scooters & ATVs (AC CDI System)
4.85 / 5.0
(13) 13 total reviews
Regular price $22.99Regular priceSale price $22.99 -
Ignition Coil + 6-Pin AC CDI + 12V Regulator Rectifier + Relay Kit for CG 125cc–250cc Vertical Engines
4.77 / 5.0
(13) 13 total reviews
Regular price $22.99Regular priceSale price $22.99 -
Ignition Rebuild Kit for 50cc–125cc Horizontal Engine ATV, Quad, Go Kart & Buggy
4.79 / 5.0
(14) 14 total reviews
Regular price $25.99Regular priceSale price $25.99 -
Racing AC Ignition Coil with 6-Pin CDI for GY6 50cc–150cc
4.62 / 5.0
(16) 16 total reviews
Regular price $20.99Regular priceSale price $20.99 -
Racing CDI 5-Pin AC for 50cc-125cc Horizontal Engine Chinese ATV & Dirt Bike
5.0 / 5.0
(3) 3 total reviews
Regular price $11.99Regular priceSale price $11.99 -
Racing CDI 5-Pin DC for 50cc, 70cc, 90cc, 110cc, 125cc ATV & Scooter
Regular price $11.99Regular priceSale price $11.99















