timberwolf issue (big I think) - Yamaha Forum : Your Yamaha Motor Products Community & Resource
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post #1 of 8 (permalink) Old 09-24-2011, 10:18 PM Thread Starter
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timberwolf issue (big I think)

Hey guys, I'm new on here....mark from nw. pa.
My wife and I were riding recently, her on a '94 timberwolf, when we had a steep rocky hill to climb.
On her way up, about 3/4 of the way, she heard a "bang" from underneath and lost transmission power.
Luckily she backed into the only tree on the hillside, but was sideways. She doesn't realize how close she came to rolling.
Anyway, all is well except the wheeler.
On that hillside, the timberwolf sat idling while I tried to engage the tranny. You could grind it until it engaged, but the throttle would not turn the wheels--forward or reverse.
After winching her up and towing her home, I drained the rear end--expecting gear fragments. There were none. I drained the motor oil--also clean of debris.
But with the wheeler up on a jack, and in gear, ANY gear, I can turn the back wheels freely. There is, however a "ratcheting" action when I do so. Kinda like it wants to engage, but cant. Turn, catch, turn, catch, etc.
Is this a sure sign that my ring and pinion are shot, plus all bearings and seals in the rear end? Or is there something I am missing here.
Any help would be greatly appreciated.
Thanks
Mark
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post #2 of 8 (permalink) Old 09-25-2011, 06:48 AM
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Image.gif

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between the drive shaft and the middle drive there is a U - joint .

also there are other possible places in these diagrams for possible breaks inline on the drive line . I'm guessing it is somewhere in this area

David
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post #3 of 8 (permalink) Old 09-25-2011, 07:39 PM
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Isn't the timberwolf a 4 wheel drive? if it is, the front would still pull. I wonder if it isn't the mid shaft area?
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post #4 of 8 (permalink) Old 09-26-2011, 01:46 PM Thread Starter
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no, it is only 2wd. you think it could possibly be a u-joint?
thanks
mark
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post #5 of 8 (permalink) Old 09-26-2011, 08:34 PM
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Quote:
Originally Posted by yamalav View Post
no, it is only 2wd. you think it could possibly be a u-joint?
thanks
mark
I dunno but it seems to be in the drive not in the tranny gears from your description.

I'm wrong a lot lately though

David
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post #6 of 8 (permalink) Old 10-02-2011, 11:05 AM
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Start with the driveline, that will separate the two components and verify which one needs attention, if not the driveline itself.
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post #7 of 8 (permalink) Old 10-22-2011, 10:15 PM
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This may sound stupid but have you tryed to adjust the reverse? I have a 95 timberwolf and something like that happened a long tome ago. I just cann't remember exactly what I did.
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post #8 of 8 (permalink) Old 12-05-2011, 08:47 AM
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Timberwolf

I hope you have already found you problem and were able to correct it. If you did not I would suggest looking at the rear axle splines first. This is the easiest to get to and very simple to do. When you remove the axle you can also inspect the ring gear splines. the ring gear is very hard material so it is more prone to breaking then it is to wear. If you look at both of these and you do not see any issues, then the next step is to remove the differential case and review the drive shaft and coupler. Both of these are pretty simple to do. Hope this helps
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