NCY Performance CDI (AC, 6 Pin); GY6, QMB139

NCY

Regular price $54.99

This NCY performance scooter CDI igniter module works on most GY6 50cc/150cc scooters and ATVs made in China using the 139QMB/157QMJ engine with AC voltage CDIs.

Benefits:

  1. Higher voltage output up to 400-600 volts via a transformer inside the CDI
  2. Aggressive ignition mapping increases power throughout the range
  3. Removal of your rev limiter.
  4. The billet aluminum outer case protects the CDI from road debris.

Compatibility:

139QMB-based 50cc / 80cc engines with the following engine codes

 139QMA 139QMB 1P39QMB 1P39QMA-2
YN139QMB JJ1P39QMB 139FMA-2 BD1P39QMB
BN139QMB 147QMD Other QMA models Other QMB models

 

157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes                

 157QMJ 161QMK 152QMI 1P61QMK
YN1P57QMJ 1P52FMI 154FMI JJ157QMJ
1P57QMJ BN157QMJ BN161QMK-A Other QMJ QMK QMI models

 

If you do not see your engine listed, if it has "QM" or "FM" anywhere in the engine code, and you have confirmed that it has an AC-based CDI system, this CDI probably works.

Specifications:

  • Size: 6 pin connector
  • AC voltage CDI systems only.

Notes:

  1. This part is for off-road use only and carries NO WARRANTY.  USE AT YOUR OWN RISK.
  2. Please confirm before ordering that the connector design will match and that you have an AC ignition system.
  3. This will not work with any Genuine 50cc scooter, a 1952 Nash Rambler, nor will it fit a 150cc Wolf Jet II. The Jet II is a DC system.

About NCY:  NCY stands as the premier provider of aftermarket performance components for leading scooter brands such as Honda, Yamaha, Genuine, Vespa, Piaggio, SYM, Lance, KYMCO, and GY6/QMB powered scooters. Established in 1997, NCY adheres to rigorous quality standards and holds ISO 9001 certification.  
NCY performance parts are made in Taiwan.

This product is intended for off-road use only.

Not legal for use in California on pollution-controlled vehicles. Check local laws before installing.