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Old 11-18-2012, 01:58 PM   #1 (permalink)
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Charging Question

Ok so I know more about car engines than I do about sled engines. I am going later today most likely to pick up a 1995 Polaris 650 RXL with 3500 miles on it for a steal of a price in my opinion. The guy says that it runs for about an hour and then dies. My question is how exactly do sleds charge their battery? Obviously in a car its an alternator that does this but I see nothing that looks like an alternator in the engine bays of our 2002's. Sorry if its a silly question, but any help is appreciated. Thanks in advance.
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Old 11-18-2012, 02:06 PM   #2 (permalink)
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Welcome to the forum.

I am sorry, but really don't know much about the charging systems, but just wanted to say hey from one Ford and Polaris lover to another. Good luck with your problem. Someone will be able to help you.
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Old 11-18-2012, 02:10 PM   #3 (permalink)
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AC current is generated in the stator coil and converted to DC by the rectifier.
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Old 11-18-2012, 02:50 PM   #4 (permalink)
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Thanks for the responses and welcome. Are these difficult items to replace? It is my best guess that the sled is charging the battery somewhat, but over time (an hour or so) the battery cannot keep charged enough and it dies. For that matter it might just need a new battery... The guy that is selling it does not seem to be too knowledgeable with sleds either.
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Old 11-18-2012, 05:08 PM   #5 (permalink)
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There is nothing to replacing stators really just some dough I don't know about the rest of the charging system cause I'm not into electric start. It should be all fairly easy though... if it is indeed the problem. It would also be fairly easy to run some tests on the stator with a multi meter if you find the specs for the coils. I dont see how it could dye because of the battery not charging though. It would seem to be another issue to me. Welcome to the forum!
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Old 11-18-2012, 05:19 PM   #6 (permalink)
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His sled requires the battery to run the EFI system of the RXL.
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Old 11-18-2012, 05:27 PM   #7 (permalink)
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How old is the battery? Might want to purchase a new one if it is real old. Have you ever fully charged the battery?
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Old 11-18-2012, 05:50 PM   #8 (permalink)
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id buy a new battery and take it with you and hook it up. if it doesnt help take the battery back. only if the guy lets you run it for an hour . or take a battery tester for a car
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Old 11-19-2012, 05:26 PM   #9 (permalink)
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It wasn't my sled until about 6 o'clock yesterday haha. I picked it up for a real good price and will look at it this weekend when I have time. Currently it has no battery, I hooked it to my truck battery to start it up and see how it ran. Thanks again for the advice, I will look into the stator and bring back any questions I have!
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Old 11-19-2012, 10:35 PM   #10 (permalink)
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Is it auto start or pull. Check the carbs, just like any car you want to do a full tune up, coolant, carbs, chain case oil, dielectric grease all connections, check the tank, compression, track condition, and breaking system. Take it for a ride if you can it should feel like a 10 sec car with acquitted breaking and handling. Also look at the skies any pieces missing? There should be metal runners (wear bars) on both on the under side.
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Old 11-19-2012, 11:00 PM   #11 (permalink)
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Its a pull start. No carbs, just EFI. The skis looked good, nothing bad that I noticed. The wear bars were there, although I think I am going to replace those in the near future. Unfortunately the sled is not with me here at school so I have to wait till this weekend when I go home for National Eat a Lot Day. The guy who had it before went to great lengths to fix this lack of charging problem. It has a full power shut off switch that supposedly is to keep parasitic draw from happening when the sled is not in use. After doing some research, it seems like this is not going to be too hard to fix the right way...

Last edited by FordandPolaris; 11-19-2012 at 11:22 PM.
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