Clinician
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Joined: Oct 20, 2015 20:34:53 GMT -6
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Post by conora on Dec 26, 2015 16:09:47 GMT -6
I can't start my moped with the electric start. It will turn it over but won't fire even when connected to a car battery. But if I give it a few kicks it starts right up. I just put a 100cc BBK in from a 50cc.I put a new starter motor in about 3 months ago. Is this the starter motor or could it still be the battery?
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Post by Alleyoop on Dec 28, 2015 18:36:55 GMT -6
Sounds like the battery is weak if it starts with some kickstarts. With the BBK you now have higher compression and takes more power to turn the motor over. Get a 7amp battery with CCA's(COLD CRANKING AMPS) Rated over 100, fully charge first before putting it in. The starter has to turn the motor over pretty fast for it to start and if the battery is weak it will not. The CHEAP BATTERIES the CCA's are rated well below 100 that is why they are cheap. But if you have a good tuned motor that does not require a lot of cranking and will start on ONE or TWO SHORT hits on the start button then a cheapo battery might do.
Alleyoop
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Clinician
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Joined: Jun 19, 2011 12:07:13 GMT -6
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Post by dyoung1167 on Dec 29, 2015 23:43:23 GMT -6
i had a similar problem, though my starter was a bit older. for a while it may or may not start but always seemed a bit sluggish with the starter and acted exactly as if it was a low battery and would do pretty good if jumped from a car until one day it just said naw, not today as in being sluggish with a jump too. i found that the oil seal for the starter was bad so the starter motor its self had filled up with oil. there are videos on cleaning it and a new gasket is cheap.
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..BAD TO THE BONE..