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Unread 05-05-2014, 06:00 AM   #11
I Refuse To Get Stuck!!!
 
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Default Re: 1990 Lifted G2 Gas Yamaha Front End Issue

Yep,1/8" Toe-In is the optimum setting.On a Quad,they will toe-out,sometimes due to the 4wd,which will toe-in slightly under power or spinning.I set every Yamaha as near to 1/8" In as I can get them,and they handle perfect.Also watch for worn King-Pins and looseness in the control-arm bushings.They are sized for metric-bolts,and a lot of kits supply SAE-Bolts(American),they fit loose,and cause the control-arms to have excessive play,which makes getting Toe set and staying set a nitemare.Like the others said,check all parts to make sure they are tight and not damaged.I really hate those steering-risers,since they never stay set,and they flex(I don't use them in my kits).Make sure the cart is set on a flat surface,bounce the front-end a few times before checking the Toe,since if the suspension is pulled-up(reverse will pull it up),then your measurements will change when it settles after going forward,or bouncing it.Hope this helps.
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Unread 05-05-2014, 09:46 PM   #12
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Default Re: 1990 Lifted G2 Gas Yamaha Front End Issue

I put sand on the cement floor and had someone sit on the cart to set the toe with weight on cart, but it was still not good enough had to drive test it. But hey my lift is not typical either lol.
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Unread 05-06-2014, 10:16 PM   #13
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Default Re: 1990 Lifted G2 Gas Yamaha Front End Issue

Quote:
Originally Posted by Mike Mac View Post
Slo, Yamaha's are built in a wedge shape. They won't track down a straight line like that.

Have to rely on the proper toe. Again, I'm with 89, proper toe.
Yes, I know the toe needs to be "In about 1/8" or there abouts. The "straight up" suggestion was just a test to see if it reacted differently. It's all good, I'm with 89 also to be truthful. But also, I am not a fan of this suspension design for off road use or high speed use. Double wishbone/a arm all the way. The single is very finicky to setup and usually handles poorly if it's not "just right".
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Unread 05-06-2014, 10:28 PM   #14
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Default Re: 1990 Lifted G2 Gas Yamaha Front End Issue

I agree with you as well!!

But its only a $2000.00 golf cart, not an $18,000.00 Polaris!!

And the most important, WE get to build it ourselves, learning as we go!! Not just write a check, and drive it away!!
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Unread 05-08-2014, 06:51 PM   #15
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Default Re: 1990 Lifted G2 Gas Yamaha Front End Issue

Mike Mac,

What piece is the s bracket? You think it is bent? How would I fix that? Would I replace it?

I am going down the list now and will work with everyone's advice so far.

Thanks for the suggestions
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Unread 05-08-2014, 11:26 PM   #16
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Default Re: 1990 Lifted G2 Gas Yamaha Front End Issue

Max, from the video, it looks like the S bracket on the passenger side is bent, (not flat). Take it off and hammer it flat. The bracket is welded to a riser block at the outside end of the tie rod. Cant tell on the driver side. Then you need to set the toe-in at 1/16 to 1/8". It is imperative that, this is done, or you will never get past your handling problem.

Another thing to do is, take the cover plate off the steering gear. Pack wheel bearing grease into the gear box. Pack it full, get all you can into it. Then put the cover back on, reset the jamb screw so there is no binding in the steering wheel, lock to lock. You will be impressed!! Go search this subject!!

May I also suggest, you go clear to the first page of Gas Yamaha, and start reading. You will learn tons from all the old guys that started this forum in 2007. A wealth of info. back then. Block, The New Guy, Crash, Curti, Ess, Gary, Groundpounder, and many many more. These guys know their crap!!
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Unread 05-11-2014, 08:22 PM   #17
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Default Re: 1990 Lifted G2 Gas Yamaha Front End Issue

Ok here we go.

I jacked the cart up. I found a good reference guide on checking the camber and toe and adjusting. http://goarticles.com/article/Golf-C...Guide/8853920/

When I checked the camber when the cart was on the ground they seemed pretty straight but when I lifted the cart off the ground the wheels immediately cambered out? The bottoms of the wheels were closer to the frame. I did nothing about that at that point.

I moved onto the toe. I loosened the bolts on the tie rod ends. I think I should maybe replace those tie rod ends while I do this. Turning the tie rod on one side was pretty easy to get going but the other was a real bitch. I wonder if I should just replace those too? I couldn't get the toe closed enough and I then figured out that one tie rod is approx 9 inches and the other(passenger side) is 12 inches. The passenger side one 8 toed I quite a bit and looked good but the short tie rod on the other side made it hard to close the driver side tire enough the get to 1/8. The toe is still open because I can't close the driver side enough. Is this normal to have 2 different size tie rods? Should I just replace some of these things while I have it apart?

Or I could full on just replace the kit that is on it now that I bought it with. Or something in between like upgrading key parts. Any suggestions?

Thanks again for the help
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Unread 05-11-2014, 08:30 PM   #18
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Default Re: 1990 Lifted G2 Gas Yamaha Front End Issue

Mike Mac I see the s bracket. It is curved more than the one on the drivers side. It is also much closer to the wheel that the bracket on the drivers side is to the wheel. I suspect now that has something to do with the different tie rods lengths.

I can take that apart and get that part off. You think I can just flat out hammer it out?
Should they be 90 and flat? Any angle?

Replaceable with new ones I can order?
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Unread 05-11-2014, 09:10 PM   #19
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Default Re: 1990 Lifted G2 Gas Yamaha Front End Issue

I feel your frustration. This is a custom homemade lift, so whoever built it has had the pleasure of figuring all the angles and parts out. But I don't think he/she ever got it right from the beginning. You might be facing an uphill battle trying to get it all figured out. Sometimes we aren't able to diagnose what is the real problem from photos or a video. This might be a case where you need an expert to look at it in person.

When I made my atv front end from scratch, it didn't go smoothly. And even though it now is everything I wanted it to be, it was a long 12 month road to get there. I had to read everything I could find on suspension design. I had to become familiar with all aspects of a arm suspension types and the basic geometry of each. It took a lot of reading and studying.

So, my best advice to you at this point, is either to dive in head first and tackle this project from the very beginning, fixing design flaws as you go. There is no real simple solution here, just good old fashioned R&D.

With that said, the single a arm design will always have a "camber issue", especially when in a lifted or off road vehicle. Add some weight and some bumps and this will make for suspension movement that can cause steering problems. Many people lift them and say its good, some can never get them to be good. So, in your case you have to determine if this kind of front end will do what you want it to do, or if something else is needed.
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Unread 05-11-2014, 09:17 PM   #20
kamsahamnida
 
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Default Re: 1990 Lifted G2 Gas Yamaha Front End Issue

Quote:
Originally Posted by Jmax207 View Post
Ok here we go.

I jacked the cart up. I found a good reference guide on checking the camber and toe and adjusting. http://goarticles.com/article/Golf-C...Guide/8853920/

When I checked the camber when the cart was on the ground they seemed pretty straight but when I lifted the cart off the ground the wheels immediately cambered out? The bottoms of the wheels were closer to the frame. I did nothing about that at that point.

This camber is normal. It's a single a arm/swing arm design, these will always have camber change with suspension movement.

I moved onto the toe. I loosened the bolts on the tie rod ends. I think I should maybe replace those tie rod ends while I do this. Turning the tie rod on one side was pretty easy to get going but the other was a real bitch. I wonder if I should just replace those too? I couldn't get the toe closed enough and I then figured out that one tie rod is approx 9 inches and the other(passenger side) is 12 inches. The passenger side one 8 toed I quite a bit and looked good but the short tie rod on the other side made it hard to close the driver side tire enough the get to 1/8. The toe is still open because I can't close the driver side enough. Is this normal to have 2 different size tie rods? Should I just replace some of these things while I have it apart?

The tie rods will be different length, that is normal. If you look at where the steering column is mounted, it is not in the center, but is closer to the drivers side wheel. So the drivers side will be shorter than the passenger side tie rod. If the parts are worn, they need replaced. If not you will get inconsistent handling and your alignment work will not be accurate. And you could have a failure/crash.

Or I could full on just replace the kit that is on it now that I bought it with. Or something in between like upgrading key parts. Any suggestions?

If you want the ultimate lift, remove that setup and get a Jake's Long Travel Kit. It's a bolt on deal, not much to setup, and can be done and perfect in a day. It's not cheap though. I made my own long travel for my cart, but truth be told, I have about the same amount invested in it as a kit would cost. You won't be disappointed with the results though.

Feel free to PM me and I can give you more info on front suspensions etc.

Here's my build too. Lot's of photos.

Got the G1 with ATV suspension done!


Thanks again for the help
Hope this helps~
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