Anybody have a u-joint fix for the older king-quads? - ATV Forum - All Terrain Vehicle discussion for Honda, Yamaha and more ATVs
 
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post #1 of 8 (permalink) Old 04-07-2010, 09:47 PM Thread Starter
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Anybody have a u-joint fix for the older king-quads?

Hey guys, my 1991 King Quad 300 goes through rear universal joints like a savage! All these older suzuki's like mine around my area have this problem. It will cost me the value of my quad to get new factory u-joints from suzuki, so i weld in new ones and replace them every couple months because they break. Does anybody have a fix for this? I hear that you can use arctic cat rear end parts to replace the u-joints with CV joints I believe? i have absolutely no idea what parts I would need to do that, or what quad to get the parts off. Any help here guys?

1991 Suzuki King-Quad 300 4x4
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post #2 of 8 (permalink) Old 04-09-2010, 06:02 PM
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The reason of failing U-joints because of Original-equipment joints typically have no grease fittings & replacement units often have zerks that you can't reach with your grease gun.
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post #3 of 8 (permalink) Old 08-06-2010, 10:48 AM
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We've tried both Moose and EPI and parts didn't last twenty minutes on my 92 King Quad 300; snapped right off on moderate ride. Was gonna try Motor Master next. My guy gonna try brazing next set on. Was hoping to find solution in this forum. Maybe try joints with no grease fittings; looked pretty "hollow" where they snapped off.
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post #4 of 8 (permalink) Old 09-06-2010, 01:25 AM
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U-joints

I too am having the same problem with my 87. I have tried spot welding the aftermarket u joints i get from Motovan inb and they last 10 mins before they break. any ideas??
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post #5 of 8 (permalink) Old 10-17-2010, 11:48 PM
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Going through that many universal joints ?
Something else is going on .
I have 3000 miles on universal joints I have welded in place .
The universal joint needs to be even when its welded in place which means measuring to be sure all 4 universal caps are at the same elevation inside the yoke before you strike an arc .
I also suggest phasing the driveshaft . This means making sure that both universal joints on the rear shaft you are welding are parallel to one another .
Make sure the universal joints are in line with each other . Some quads have a master splines and you cant go wrong but these old suzukis make it easy to install the yokes out of phase .
Remember that universal joints cancel each other out when operating so phasing is very very important .
When you are ready to put your axle shaft back , make sure you put it back to match the yokes on the opposite side of the quad . Phasing both rear axles to match each other will create 1 shaft
Here is a link http://http://www.4crawler.com/4x4/C....shtml#Phasing
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post #6 of 8 (permalink) Old 10-18-2010, 02:58 PM
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Quote:
Originally Posted by gearcruncher View Post
Going through that many universal joints ?
Something else is going on .
I have 3000 miles on universal joints I have welded in place .
The universal joint needs to be even when its welded in place which means measuring to be sure all 4 universal caps are at the same elevation inside the yoke before you strike an arc .
I also suggest phasing the driveshaft . This means making sure that both universal joints on the rear shaft you are welding are parallel to one another .
Make sure the universal joints are in line with each other . Some quads have a master splines and you cant go wrong but these old suzukis make it easy to install the yokes out of phase .
Remember that universal joints cancel each other out when operating so phasing is very very important .
When you are ready to put your axle shaft back , make sure you put it back to match the yokes on the opposite side of the quad . Phasing both rear axles to match each other will create 1 shaft
Here is a link http://http://www.4crawler.com/4x4/C....shtml#Phasing
I did make sure they were in phase, learned that lesson with my old Ford pickup with a 2 piece driveshaft. I am also quite confident I had them centered in the yokes before I welded them in. I'm going to try again, and be ultra picky this time.
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post #7 of 8 (permalink) Old 11-06-2010, 04:09 AM
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Don't know how you break U/J's like this. Please explain as I am interested. Out of phase usually results in vibration only.
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post #8 of 8 (permalink) Old 04-21-2011, 11:02 PM
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I am also in my 87 the same problem. I tried to spot weld the sale I Motovan intergovernmental negotiating body, the last 10 minutes before they break....
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