my zeda 80 ran great thought i would take it on a 5 mile ride to walmart made it 2 blocks away and bam felt like my back wheel started to skid and it popped outta it and then it died now there is no spark! i bought a multi tester from amazon and on 2 magneto test they were both 0.33 and the 3 cdis i tested stayed at didnt give me no numbers did i get a bad tester tool cause i know nothing about ohms ? any ideas and i appriciate any feedback