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Author Topic: Has anybody tried to retro fit an ltr 450 swing arm onto a zilla?  (Read 614 times)

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Will it work? This question needs answered so I'm sicking the dogs on it. GET EM BOYS!

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With some welding and grinding it can.you would have to compare the 2 first to give u an idea on how to attack the swap. Ltrs also you a really long shock link that would require tabs to b welded on the rear lower frame brace
1985 Yamaha Tri Z 250
2006 Suzuki LTR 450
2011 Suzuki Hayabusa

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I think the guys at Metaltech did something like this for Dale but used a raptor shock?

I can't remember the exact set up.

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Raptor shock and link plus a different upper mount.
El diablo did the banshee rear end
1985 Yamaha Tri Z 250
2006 Suzuki LTR 450
2011 Suzuki Hayabusa

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Yeah Brian threw it together but didn't follow my advise and tried using some oddball shock.  (last I heard)  When you go this route you just end up throwing Darts at the ride you have because you have something from left field... no engineering whatsoever.

If your going to do this kind of mod on a bike...YOU MUST REPLICATE THE GEOMETRY EXACTLY!!!

 I don't know how many times I have shared this after my own trial and error approach. I went full circle from trying to go no link with the proper rising rate blah blah blah revalving respringing etc... its a nightmare.

The factory designs work because all the engineering works together. If you mount the shock or any piece of the linkage even 5 degrees off it changes things.

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Don't aftermarket links change the factory geometry. Nit saying the factory makes junk but nit all quads come optimized for a single purpose. Factory parts are usually a compromise of multiple variables. The factory eccentric link on the zilla imo isn't a good design since you don't see that design or variation of it any more and zilla swingers do like to crack. Brian metal tech swinger was riddled with cracks after little use. The other west coast swinger he has has the same issue.
I agree with u alky that you are"throwing darts..."with out some research ahead of time. Ltrs do handle much better than a zilla so trying to replicate that design isn't a bad idea.
1985 Yamaha Tri Z 250
2006 Suzuki LTR 450
2011 Suzuki Hayabusa

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Not wanting to stray too far off track, but actually, everything with the exception of the shock itself & the upper shock mount on my bike is a dead copy of the Banshee geometry. The shock (it was cheap) in factory form (Polaris Predator) does not use any linkage but was close to the length I needed so I used it. I am buying a different shock that will be better suited for the banshee style linkage but so far, I can say that even the wrong shock is an improvement in ride quality over stock zilla stuff.

I'm not done yet Dale & yes, I did heed your advice.   +k2
Brian
1988 Suzuki LT-250R (The HPR test mule)
1987 Suzuki LT-500R
1990 Suzuki LT-500R
1982 Honda ATC-185S
1982 Honda ATC-250R

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Your Zilla has come a long way from those trips down to El Golfo, Mex.  +k2
1985 Yamaha Tri Z 250
2006 Suzuki LTR 450
2011 Suzuki Hayabusa

 

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