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Post by furshore on Aug 25, 2012 6:17:26 GMT -5
I installed a new battery in my 2009 SYM Citycom 300i in May. I made sure it was the specified battery. Everything was fine until last night. While riding the turn signal stopped working and then a mile later the scooter completely stopped running. Someone came along and put jumper cables and charged the battery for 15 minutes and it started fine. He followed me home in case I had any trouble and I did. After five miles the scooter just stopped running and we gave it a quick charge and it started and I made it home ok. I put a trickle charge on the battery overnight and will check it today. It showed 13.2 V about a hour after I removed the charger. The battery I purchased was a gel YUSA 10ah. I am worried about riding very far because of this problem. Does it sound like the battery or something in the charging system? Any suggestions?
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Post by carasdad on Aug 25, 2012 6:32:10 GMT -5
I installed a new battery in my 2009 SYM Citycom 300i in May. I made sure it was the specified battery. Everything was fine until last night. While riding the turn signal stopped working and then a mile later the scooter completely stopped running. Someone came along and put jumper cables and charged the battery for 15 minutes and it started fine. He followed me home in case I had any trouble and I did. After five miles the scooter just stopped running and we gave it a quick charge and it started and I made it home ok. I put a trickle charge on the battery overnight and will check it today. It showed 13.2 V about a hour after I removed the charger. The battery I purchased was a gel YUSA 10ah. I am worried about riding very far because of this problem. Does it sound like the battery or something in the charging system? Any suggestions? Could be the battery..I have had a few problems with gel cell and AGM batteries coming from the factory 'dead' and either won't take a charge...or will.....but loose juice quickly. However my thought is that it sounds like your stator is not charging it... To stall out due to the battery is not likely as the current to run the scooter comes from your stator....the battery is only for starting and some of the lighting. To verify charging you must test your stator via the yellow wire. Set Multimeter to AC...with red lead from multimeter to yellow wire....black lead to a good ground on the frame or engine..let us know what voltage you get.  Attachments:
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Post by furshore on Aug 25, 2012 6:35:54 GMT -5
I will do that this afternoon...I have to run. Thanks
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Post by furshore on Aug 25, 2012 14:52:49 GMT -5
As you can see there has been a short and the fuse was melted. Any suggestions? Attachments:
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Post by furshore on Aug 25, 2012 14:54:22 GMT -5
Here is a picture of the top of the connector. Attachments:
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Post by furshore on Aug 25, 2012 15:10:19 GMT -5
Here is another picture. Attachments:
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Post by furshore on Aug 25, 2012 15:24:06 GMT -5
It looks like this is the starter relay? I'm not real good at the electrical stuff. Why would short out? Is it something I can replace? or is there more problems?
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Post by furshore on Aug 29, 2012 13:28:07 GMT -5
I installed the new starter relay and the scooter started right up. I had the battery on trickle charge while I waited for the part. When I start the scooter the dc volts on the battery seem to stay at 14-15 volts...is that a little high. I checked the leads from the stator and each lead put out 4-5 volts depending on the the rpm. At idle it looks like about 2 volts for each connection...but I am getting volts from each connection. So, maybe the stator is ok but could I have a problem with the regulator/rectifier?
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Post by dnehasert on Sept 3, 2012 19:59:49 GMT -5
Sounds normal, voltage should be between 14-15 volts when running with a fully charged battery. Over 15 would be overcharging and a possible bad regulator. But it sounds ok. Ride it. Doug
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