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Old 02-19-2011, 01:09 PM
Join Date: Jun 2007
Posts: 29
Default Wolverine Overheating......confused!

Ok, im going to make this short and sweet.

The fan does not come on anymore. So now the bike just overheats.

The first thing I did was check the fan. I bypassed the fan and it worked! So now I know the fan is good.

The second thing I did was check the radiator sensor (whatever you want to call it). I can't tell if it's good or bad so I just bought a new one because it was cheap. I put the new one in and .. still not working.

Third and last thing I did was remove the thermostat and test it. The thermostat open and closes!!!!!!

Now i'm lost. I thought it would be one of these three things. What else could be making the fan not come on?? Don't even say a fuse because there is no fuse for it.

Any help would be great, because im lost now!
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Old 02-19-2011, 05:41 PM
mudslinger2's Avatar
I haven't been stuck since the last time!
Join Date: Oct 2009
Location: Ohio
Posts: 468
Default What year?

What year wolverine are we talking? Liquid or oil cooled? I know that my brother had trouble with his kodiak...there is a sensor in the radiator and a sensor in the block that control two different things I think. One tells the fan when to run and one tells the light to come on. Is it spewing coolant out when it overheats? I would start with a downloadable service manual...that will take you through the issue that you are having step by step...good luck...keep posting I am sure that the info is out there!
Better go faster next time!!
2011 Yamaha Grizzly 550 FI

2008 Yamaha Big Bear 400 IRS (Sold)

1995 Yamaha Wolverine 350 4x4 (Sold)
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Old 02-19-2011, 10:20 PM
Join Date: Jun 2007
Posts: 29
Thumbs up

Good call Mudslinger. I just bought a 2006-2009 Wolverine 450 repair manual on ebay. Once I get the CD in the mail, Im going to find this damn problem. Once I find the problem, I will update everybody. I see this is a major problem with these bikes.
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Old 04-03-2015, 08:23 PM
Weekend Warrior
Join Date: Apr 2015
Posts: 1
Default Same problem

Hi did you ever figure it out?
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Old 04-04-2015, 02:11 PM
Pro Rider
Join Date: Jun 2014
Location: Illinois
Posts: 983

He probably sold it, that was over 4 years ago.
2006 Yamaha Grizzly 660
Full length aluminum skid plate
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Old 04-05-2015, 02:19 PM
Weekend Warrior
Join Date: Dec 2013
Location: So.Cal.
Posts: 4
Default Post Fixes when you find them

It would be nice if folks remembered to post their fixes when they finally figured out a problem they have posted. Help out the community and make the search function more valuable.

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