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Aftermarket Suspension Setup Ideas

1.6K views 14 replies 7 participants last post by  Doug H.  
#1 ·
Fellas,

I need some input here. I just got my engine to where I want it to be and now I am looking to tweek the suspension for more stability. Right now my suspension is all stock except for 2 Elka shocks on stock A arms. I do not race competively against other guys on MX tracks. I ride trails with local guys climbing hills and hitting average size jumps and I ride on tracks, not to beat anyone, but just so that its comfortable , controlable and fun for me. I've searched on here for the last few days trying to find a tutorial to Z suspension setup or atleast a guide that explains aftermarket suspension for dummies so I can figure out what everything means and buy whats right for me. I want a swingarm and I'll probably get the Elka shock. Also can I use my Elkas that are on stock A arms for extended A arms if I need them?? If anyone can explain the + 1's and +2's and which swingarm goes better with that A arm or has a website that can detail all of this I'd love to see it. I'll probably end up calling an aftermarket shock dealer if no one here can help me. I just like understanding everything about what I'm about to do before I do it. Plus I don't wanna get ripped off!!!
 
#2 ·
Here READ THIS




Width is more for stability in cornering, +anything you will notice a big diff in handling. As far as the + forward on the A-arms, means it will move the front wheels forward an inch, +forward is good as long as you extend the swinger.

The geometry of the Z is very matched, some can tell and others can not. But if you go forward on the front and not the swinger it does throw the geometry off which is mostly noticed in the air. It is also noticed in certain whoop sections also, a lot of tweeking and adjusting in the rear shock.

You also would want to get an extended axle to reapp the benifits of the extended arms.
 
#3 ·
QUOTE
Width is more for stability in cornering, +anything you will notice a big diff in handling. As far as the + forward on the A-arms, means it will move the front wheels forward an inch, +forward is good as long as you extend the swinger.[/b]

Nice write up on the suspension. I do understand whats going on a little more now. I have another question. I just found a pair of A arms that I want at this web addy http://www.prosportatv.com/shopcart/produc...products_id=517
and I am going to match it up with this +3 swinger at this web addy http://www.prosportatv.com/shopcart/produc...products_id=411 But it only offers to have the a arms at +3 and forward 0. So if I buy this setup of A arms at +3 and forward 0 will I still buy the swinger at +3?? And if I don't have the A arms moved forward any will I be loosing out that much?? I mean I'm already going all out with the suspension so if I can find another company that will make them forward and it will benefit me that much then why not. Please if anyone has any input .......... Let me hear it.
 
#4 ·
Well if you go with the +3 +0 a arms this does not mean you need to go with a +3 swingarm. The plus +3 swingarm is more of a drag race or sand dunes swing arm then a trail and a little moto like you are looking for i think. A +1 swingarm would be a better set up i think for you by what you say you are looking for. The +3 swing arm will make your quad more stable going straight but you will have more wheel spin and a larger turning radius. But you should go with a wider axle for those a arms. Dura blue, lonestar, and rpm all make good axles.

IF I AM WRONG ABOUT THE SWINGARM SOMEBODY CORRECT ME!!!!
 
#5 ·
yea +3 means how much wider than stock so compliment that with a +3 axle...if you go forward on the arms then go back on the swinger...even if you got +0 forward on the arms u can still go back +1 or +1 1/4. some people claim this is better anyways.. but if you go forward up front and not in the back u will notice in mid-air...
 
#6 ·
Ok,

This is good info that I couldn't find with the search button. I knew that there was a detailed science to all of this that I wasn't going to be able to figure out just by searching and reading other peoples posts. It looks like I'll go with the +3 a arms and the same swinger only +1. The shocks that come in that kit are TCS and I've seen through my searching that they are pretty good sticks to ride on. When I go to buy a rear shock should I send mine to TCS to be modified into a race shock or just buy one from Elka? And since I have an aftermarket swinger do I need an Elka linkage to make that work? Again, I'd love to hear what other people have found to work.
 
#7 ·
this is good info for me aswell.. i didnt think about the moveing forward a inch causeing flight problems.. but it does make sense, moving weight forward would cause ya to nose over..
also when talking about front +3 thats for each side +6 total
when talking rear axle +2 is +2 total
dont know of any axles that are +6 so if ya go with +3 arms ya might want to look at differant rims to set ya back in to the +2.. i beleave this is what alot of the racers do..
 
#8 ·
Originally posted by JetTech@Feb 15 2006, 06:49 PM
Ok,

          This is good info that I couldn't find with the search button.  I knew that there was a detailed science to all of this that I wasn't going to be able to figure out just by searching and reading other peoples posts.  It looks like I'll go with the +3 a arms and the same swinger only +1.  The shocks that come in that kit are TCS and I've seen through my searching that they are pretty good sticks to ride on.  When I go to buy a rear shock should I send mine to TCS to be modified into a race shock or just buy one from Elka?  And since I have an aftermarket swinger do I need an Elka linkage to make that work?  Again, I'd love to hear what other people have found to work.
<div align='right'>index.php?act=findpost&pid=479664
[/quote]

Send your stock rear shock to TCS, they do an awesome job. I have the same swinger, EYEBALL is local to me and they do an awesome job also. Go with +1 on the swinger. The 0 forward is fine for the LT arms. Great set up your going with.
Image
 
#9 ·
QUOTE
I have the same swinger, EYEBALL[/b]
Do you have any pics of your bike from the side and front?? I'd like to see how far back the +1 swinger sits on the side view and how low the arms are on the front view. I'm going to buy the stuff from these guys this week and now I can't wait for it to get here. I almost can't freakin sleep!!!!!!!!!!!! I"M ADDICTED..................
 
#10 ·
QUOTE
also when talking about front +3 thats for each side +6 total
when talking rear axle +2 is +2 total
dont know of any axles that are +6 so if ya go with +3 arms ya might want to look at differant rims to set ya back in to the +2.. i beleave this is what alot of the racers do..[/b]

I'll have to find out what offset rims I have on there now. They are ITP beadlocks but when I bought them I never was concerned about the offset. Does anyone know of any combinations to get me where I wanna be on the rear axel to match the front a arms?
 
#11 ·
Most people that run +3 a arms run rims with the offset of 4 on 1. This will move your front end back it 2 inches. Stock front offset is 3 on 2. Then for your rear axle you will need to get a 2+2 axle. This axle will let you go +2 or +4 on your rear. That will let you get the rear of the quad as wide as it needs to be with the stock offset on your rear rims. This set up should have you around 50 inches plus or minus some depending on you ride height i think.
 
#12 ·
A question on the axle + system. My buddy says that if you get +2 on the a-arms you have to go +4 on the axle. That what ever the a-arms are you double it for the axle. Is this true, or does the axle run the same as the a-arms where a +2 means 2 inches on each side??
 
#13 ·
plus 2 on arms is plus 4 total, 2 on each side

plus 2 on axle is total width, so to get the plus 2 on each side ya need a plus 4 axle
hope that helps..
 
#14 ·
You guys are good, My complete suspension kits for rear and front are in the mail. I'll take pictures of it and post a before & after.
 
#15 ·
Originally posted by FsT4WrD@Feb 14 2006, 10:52 AM
Here READ THIS
Width is more for stability in cornering, +anything you will notice a big diff in handling. As far as the + forward on the A-arms, means it will move the front wheels forward an inch, +forward is good as long as you extend the swinger.

The geometry of the Z is very matched, some can tell and others can not. But if you go forward on the front and not the swinger it does throw the geometry off which is mostly noticed in the air. It is also noticed in certain whoop sections also, a lot of tweeking and adjusting in the rear shock.

You also would want to get an extended axle to reapp the benifits of the extended arms.
<div align='right'>index.php?act=findpost&pid=478914
[/quote]

Just got +2 arms but no forward adjustment. 95% of my riding is dune riding and I personally don't jump much although my son occasionally gets off the MX bike long enough to air out the Z. I really didn't want to get into another swing arms at this point. Any problem? Thanks for the advice.