Product Details
Description
RDLN Performance GY6 Racing DC CDI is a DC ignition CDI replacement for compatible GY6 and 139QMB scooter engines.
Replacement Part Details
Use this part when the original component is worn, damaged, missing, or no longer working correctly. Many scooter parts can look similar but use different sizes, plugs, brackets, thread patterns, or mounting styles, so careful comparison before purchase is recommended.
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: GY6
- Engine Code: 139QMB
- Fitment Notes: Performance
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Common Fitment Questions
Q: Will this fit a 139QMB engine?
A: This SKU is listed as compatible with 139QMB engine-code fitment. Always compare your original part and scooter details before ordering.
Q: Is this for GY6 scooters?
A: This SKU is listed with GY6 engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
Unlock more top-end power from your GY6 engine with the RDLN Performance Racing DC CDI (SKU 1100-1570). This red resin-potted DC CDI removes the factory rev limiter and advances ignition timing for improved throttle response and higher top-end RPMs. Dual white multi-pin connector setup (one 4-pin, one 2-pin) for plug-and-play installation on standard GY6 DC ignition systems. No splicing required on compatible harnesses.
- SKU: 1100-1570
- Brand: RDLN
- Type: DC CDI (racing/unlimited)
- Housing: Red resin-potted rectangular body
- Connectors: Dual white multi-pin — 4-pin + 2-pin
- Installation: Plug-and-play on standard GY6 DC ignition harness
- Dimensions: 3.25" L x 2" W x 2.5" H
Fits GY6 125cc and 150cc engines using a DC ignition system with a matching 4-pin + 2-pin CDI connector. Common applications include Chinese scooters, go-karts, and ATVs with GY6-based engines.
Verify your stock CDI connector type (DC vs. AC) before ordering. This CDI is DC only and will not work on AC ignition systems.
This product is intended for off-road use only. Not intended for use on public roads or land. Performance upgrades are considered racing parts and are not covered by warranty.





