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Post by samhall on Aug 22, 2011 19:00:12 GMT -5
I bought a used 150cc yesterday, it had broken plastics on it, but ran well. I had a 50cc with the same body style and moved the plastics over, looks great.
When I bought it, it started perfectly. When I got it home and got it off of the truck, turning the key on did nothing; no fuel gauge, no lights, no horn, no starter. I kick started it with the key on, and it started (I was surprised). I ran it 20 mins, drove it home, cut it off, and turning the key on made it act normally, and was able to start it with the electric starter.
Hours later I go back out, and the key is doing nothing again, and I'm unable to start it with the kick starter. I replaced the key switch with the one on my 50, so I know it's not the key switch.
Anyone have any idea what could be going on, or where I should start looking? I do have some mechanical experience, and have a multi-meter.. but I'm totally at a loss.
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jmkjr72
contributing staff
Commander 132nd Northern Cav. Division
Posts: 2,779
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Post by jmkjr72 on Aug 22, 2011 20:48:25 GMT -5
first thing i would do is check the battery it could be a weak or dead battery
once you are sure you have a good battery then i would check to see if its a drain on the battery or bad wiring
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Post by samhall on Aug 23, 2011 8:10:50 GMT -5
I used the battery from my 50, which I know was good, so I think it's safe to say the battery's not the cause. I will check the battery to make sure, I don't know how long it would take a drain to kill the battery and there were a few minutes between my connecting the battery and actually trying to start it (maybe 30ish minutes). I won't have time to try it today, but will let you know how that turns out.
When you say "bad wiring", is there any leg of the wiring diagram I should focus on first? It would take me forever to ohm out each of the wires on the bike.
Thanks for your response.
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Post by Rebel on Aug 23, 2011 11:48:55 GMT -5
Welcome to the forum.
If you are getting no power to anything, check the fuse off of the battery. Then go looking for a loose ground wire or other bad connection.
Then also check for the embarrasing things like, is the kill switch in the right position. Is there a kick stand safety switch.
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jmkjr72
contributing staff
Commander 132nd Northern Cav. Division
Posts: 2,779
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Post by jmkjr72 on Aug 23, 2011 15:39:45 GMT -5
well useing the battery from a 50 on a 150 isnt the greatest idea 150 cc scoots normaly have a stronger battery in them then a 50 cc the battery normaly has higher amp hr rate and cca
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Post by samhall on Aug 24, 2011 8:15:42 GMT -5
The battery off of my 50 was already upgraded to what should have been in a 150, so it was fine. Surprised the extra amps didn't hurt the 50, but that's in the past anyway.
I did fix the problem yesterday, it was a loose ground wire hidden under that voltage rectifier thing in the front end. Thanks for all your assistance.
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Post by Rebel on Aug 24, 2011 11:09:58 GMT -5
Ah, glad it is all worked out. Loose wire can be a real problem on these scooters. Thats why we recommend going through the whole thing and checking it out when you first get one.
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jmkjr72
contributing staff
Commander 132nd Northern Cav. Division
Posts: 2,779
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Post by jmkjr72 on Aug 24, 2011 16:02:11 GMT -5
a larger battery wont hurt anything i upgrade the batteries in anything i own the problesm come when you start to draw too much of the extra juice you need heavier wires to take full advantage heck i have end used a 12 volt battery to start my old 6 volt tractor
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Post by Rebel on Aug 24, 2011 16:19:14 GMT -5
Yup, the amount of electricity a battery stores is no problem or even what you are jumping off of, it is the amount the draw on the battery that can cause a problem. A bad starter needs a lot more power to turn than a good one and that can overload the wiring. Or if it has a short someplace it can cause a bigger spark and increase the chance of burning something out.
I'd try to refrain from running a 12 volt battery in a 6 volt system though.
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jmkjr72
contributing staff
Commander 132nd Northern Cav. Division
Posts: 2,779
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Post by jmkjr72 on Aug 24, 2011 17:15:35 GMT -5
yeah that is limited to extrem cold in the winter as nothing else i own is 6 volt postive ground i pull the power wire off the starter and jump right to the starter and once its running hook the power wire back up the
some day it will get a 12 volt conversion
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