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Old 08-19-2017, 07:44 AM   #7
Roscoe   Roscoe is offline
 
Join Date: Nov 2016
Location: N. of Texas and S. of Kansas
Posts: 252
From what I've read and seen on the racing CDIs ... the spark advance is advanced earlier but the same on the upper end of engine rpm. If the scooter starts OK it should work for you. If you feel the engine kicking back when starting it's to far advanced for easy starting. Main thing is they don't limit the rpm like the original CDI.
The racing coil, I don't know if they are any better maybe in some high performance applications they make a difference. I've put them on my scooters but the way I putter along I don't notice any difference. If it starts and goes that's good enough for me. I did do a big bore kit on the 50cc scooter and still working on the bugs in the carburetor on that one.
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