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Post by chazdo2 on Jun 26, 2020 7:21:07 GMT -5
Can anyone tell me an in depth explanation on how the spark is produced on a scooter? Everything I have ever worked on the flywheel has a single or dual magnet on it. It spins at a certain point crosses the coil arms and produces a spark or at that instant signals the cdi unit to spark or send a spark signal to the coil producing spark. This scooter flywheel is all magnetic and I cant see a single spot that would produce any signal to the cdi unit. Can anyone explain this system to me so I can fix it? How does the ignition timing work?
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Post by geoffh on Jun 26, 2020 15:02:12 GMT -5
You will need to be model/ year/ engine ect to get any help and pictures save a thousand words,or try the tech section for self help.
Geoff
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Post by 190mech on Jun 26, 2020 17:05:04 GMT -5
OK,this has been in a few threads already..Your stock unit has an internal pickup(pulse) coil,the flywheel magnets are covered with a sheetmetal tin cover,so you can not see the magnets(unless you have XRAY vision),but they have a 'polarity'..putting a bunch of small flat washers inside the flywheel will expose the magnets..If you want to retrofit an entirely different setup,then a MATCHING flywheel must be used as well as CDI box and coil,the voltage regulator will likely need to be replaced and rewired to match the new system also..This type of change is not for the 'bolt on crowd'as it involves research,and ingenuity..Certainly it will be cheaper,but will take many hours of labor..The choice is yours...
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Post by Mech Warrior on Jul 10, 2020 20:09:25 GMT -5
Chaz 190MECH said it best and to a T so what are you going to do now where are you at on the scoot?
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