This kit is used to repair/replace the spark plug cap that is broken or you want to replace the end of an existing CDI and you may need it for a different size spark plug.
PUSH and Twist to lock on the HEX.
If the hex is not fully engaged then the top connection will not be fully made and spark will be jumping inside the booth.
If this happens you will be experience radio interference . This is the MOST common cause of the radio interference.
It is used for the 5/32” / 8 mm spark plug hex with 1/4-32 thread .
It was design to be used with NGK-ME8 / RimFire VR2 / RCexl
PUSH and Twist to lock on the HEX.
Bryan Paris (verified owner) –
Installed spark plug cap and new plug in Saito FG-21. Huge difference in engine performance.
Smooth idle, no lag and excellent rpm. Radio interference problems gone!