Grizzly 660 charging problem - Yamaha Grizzly Forum : GrizzlyOwners.Com Yamaha Grizzly Forums


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Old 02-04-2008, 07:35 PM   #1 (permalink)
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Default Grizzly 660 charging problem

I have a 2003 grizzly 660 which keeps going dead. We have put 2 new batteries in it with no luck. I checked across the battery with my volt meter. 12.5 volts when not running and 14.2 when running. This tells me that the charging system should be working properly. I tried to chech the ohms on the stator coils but did not have correct setting on my meter. But I did show ohms at all three checks. I must be missing something. Any help would be appreciated.
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Old 02-04-2008, 07:50 PM   #2 (permalink)
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jk,
Welcome to the site. I don't have any worthy answer to your delima. I do know you have dropped into the best site for yamaha grizzly advice. These guys are the best. You will soon have responses I'm sureas as I have received lots of tips from the guys.

I'm originally from Spring Green and have lived in Holmen for about 15 years. Always good to see fellow Wisconsinoites on the grizzly site.

Take care and good luck!!

Fritz
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Old 02-04-2008, 07:50 PM   #3 (permalink)
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check your fuzes or maby you have a short somewhere
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Old 02-04-2008, 08:07 PM   #4 (permalink)
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Thanks Fritz, I hunted in Arena for about 20 years until the land owner cut us off recently.(Bummer). Special Sauce- Thanks also for your reply! We have checked the fuses and we did find one wire coming off the regulator that had rubbed the isulation off by the breather tube. We taped that up good and figured that was probalby shorting out when the snow got packed in there. But unforturnately the problem still persists. Would it be possible for the regulator/rectifier to work intermittently?
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Old 02-04-2008, 11:10 PM   #5 (permalink)
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It sounds like its charging from what you said (14.2 volts). Did you check the volts after it has sat for A day or 2. If its low it could be A bad battery. I know you said you tryed another but you could have gotten A bad one. If it checks out ok I would look at the cables.
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Old 02-04-2008, 11:26 PM   #6 (permalink)
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Do you have anything that is wired directly to the battery that could be drawing power (ex. the winch could have a faulty switch which would not activate the winch but draw a minute amount of current) ? How long does it take to kill the battery (a day, a week) ?

Have you thought of installing a switch that would cutoff the battery power directly at the battery ? If that doesn't solve your problem, then you know that the battery is the problem.
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Old 02-05-2008, 05:09 PM   #7 (permalink)
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The battery will be dead after about 4-5 hours of riding. As I mentioned, this is the second brand new batterey within a month. We did disconnect all wires from the battery except for the two main caables. I'm starting to think that there may just be a short somewhere. We do have hand warmers plugged into the acc. power outlet, we may have to try and disconnect them and see what happens.
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Old 02-06-2008, 01:25 AM   #8 (permalink)
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jk,
I wired my hand warmers like you did to the acc wire. That's what was recommended by guys on this site, and by the manufactures,so I wouldn't think that would drain your battery that much. I haven't ridden more than an hour or so this winter. All I have time for is plowing snow so I ca't tell you if it would happen to me if I rode longer. Keep checking your wires. Sounds like you guys are in for a doozy of a storm tonight and tomorrow. Drive safe and good luck with the grizz..

Fritz
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Old 02-06-2008, 08:35 PM   #9 (permalink)
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Thanks Fritz, your right, we got about 13 inches of snow here in Waunakee. Should be fun trying to get around with the quads this Sunday! Anyway, I appreciate the help. If I ever get it figured out, I will post what I found.
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Old 03-09-2008, 06:28 PM   #10 (permalink)
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I got it figured out today, finally. We swapped the regulator with an identical quad and the problem followed, thank god. We'll replace the regulator and should be good to go. thanks for the feedback.
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