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Overcharging my 2006 Polaris 450 Sportsman is overcharging when rpm's are in driving range over 3000rpm voltage goes to 18.5 vdc at idle voltage is normal at 14.3vdc

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Sounds like the regulator/rectifier is bad

Posted on Nov 25, 2008

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I have a 2007 Polaris Ranger 700 XP its not charging the battery. I have run it the same way since it was new. I have to charge the battery every few days. Please help! Thank you.

the voltage regulator keeps the battery charged so it could be bad but first, ...
1st Make sure your battery terminals are clean and tight, loose or corroded terminals will keep it from charging.
2nd make sure the voltage regulator is plugged in, sometimes a vibration, a crash or sudden stop will cause a loose connection there.
3rd start the engine, put a voltmeter on the battery, at an idle it should read 12.50 - 13.0 Volts
if anything under 12.50, means the battery is not being charged at an idle.
rev up the motor to at least 2000-3000 rpm and see if the volatage increases. it shouldn't go any higher than 14.9 volts or its over charging.

If terminals are clean and tight and you get a good reading (12.5 - 14.9 volts).
Then your battery is bad.
if you dont get those readings then the voltage regulator is bad.

If voltage regulator is bad, you can replace it your self, it takes a 10mm socket to undo 2 bolts and just unplug it, plug the new one in and screw the 2 bolts in .
test it.

ride it, your done.
Have a good one
Big Al

Jun 01, 2011 | Sport & Outdoor - Others

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I have to change spark plugs before I can drive my Polaris 2006 IQ touring FS(snowmobile) out from my garage. How do I do it?

Follow the spark plug wires into the engine area. Usually spark plug wires are simply pulled from the plug(s). Grasp them by the boot that is closest the plug. A spark plug wrench socket on a ratchet wrench will be needed and there several sizes of plug. Loosen the plug counterclockwise, remove it. Check and adjust the gap on the new plugs, thread the new ones in by hand then tighten with the wrench firmly and push the plug wires back on tightly.
Good Luck,

Jan 09, 2011 | Sport & Outdoor - Others

1 Answer

I have a 2008 polaris sportsman 500HD the damb thing has been nothing but problems ever since i got it, right now the damb thing won't even run, here's what its doing, when you start it and put it in drive...

It sounds like your carburetor is gummed up. This is a common problem if the engine has not been run in a while or if has been stored for the winter without fuel stabilizer. You may also have gotten some bad gas, or a fuel treatment that wasn’t compatible, (if you ran one).

If you are familiar with your machines carb; dismantle, clean, inspect components, replaced damaged items and reassemble.

If you are not familiar I suggest taking it to your local service center.

Let me know if this helps. Good luck.

Mar 03, 2010 | Sport & Outdoor - Others

2 Answers

My 2005 predator is making a weird grinding noise. It runs fine and goes into every gear good. It's a little slow on start up. And just when i let off the gas it makes a noise like a chain hitting the case...

It kind of sounds like ignition or timeing knock. Try running ethinol free gas if it's available or changing the octane fuel you are useing. If that doesn't help have a service tech check it out.

Good luck.

Mar 02, 2010 | Sport & Outdoor - Others

1 Answer

04 polaris sportsman 400 wont run without choke pulled out

you need to clean the carburetor, it may be clogged, the choke only dumps in raw fuel in to the combustion chamber, the jets aren't working properly, clean it up then try it

Feb 15, 2010 | Sport & Outdoor - Others

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2004 polaris sportsman 500ho ,4x4 will not engage when u push switch. last winter it would engage when u started rolling this year nothing

the electrical system needs replaced, its all electronic the engaging of the 4x4 and all. i had a neighbor have the same problem with theirs. maybe check the shaft and gear box in the front for wear

Feb 10, 2010 | Sport & Outdoor - Others

1 Answer

Water build up in the starter & Reqoil case of my Polaris ATV

Your drain plugs should be visable, if they exist, on the lowest point of the body of the device. If you can't readily see them, consider drying out the entire unit with a hair dryer and a little patience in drying the entire unit. From then on, I would consider evaluating the depth of water before entering. After all, the unit may not be amphibious, which sounds like your intended use!
Also, the battery may be affected by the extreme cold, as they often are, leaving a different approach to this problem. Good Luck!

Dec 02, 2008 | Sport & Outdoor - Others

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