This is a new item:
Designed to reduce kickback by retarding the ignition timing on startup.
Retards spark on low RPM then advances timing when started to increase performance.
Allows you to run higher compression pistons with redused risk of kickback.
For use on all pit bike and quad engines with a stock 5 pin cdi system.
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Does the job!
Straight swap on my C90 PLOP racer. Gives full advance at high revs on strobe ! No kickback! Job Done ! Good price as well !