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triples modification

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03 Apr 2006 14:43 #36482 by marko
triples modification was created by marko
I'm waiting to get my kz 1300 triple tree. I'm going to fit the triples to my z1r. one problem that I know is the fork openings are slightly bigger than my z1r forks. My machinist says that he can make a bushing to fit in the fork opening to make the z1r forks fit right in. Is this going to be safe? Thanks Mark B)

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  • wireman
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03 Apr 2006 17:06 #36505 by wireman
Replied by wireman on topic triples modification
why are you using those triple trees?:whistle:

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  • twowheeledterror
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03 Apr 2006 22:36 #36587 by twowheeledterror
Replied by twowheeledterror on topic triples modification
marko wrote:

I'm waiting to get my kz 1300 triple tree. I'm going to fit the triples to my z1r. one problem that I know is the fork openings are slightly bigger than my z1r forks. My machinist says that he can make a bushing to fit in the fork opening to make the z1r forks fit right in. Is this going to be safe? Thanks Mark B)


I was curious of that myself.

On something as important as triples you don't want to go shimming them.... you can always bore a hole larger for them, but don't go shimming when there's better options available.

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03 Apr 2006 22:40 #36588 by marko
Replied by marko on topic triples modification
Hey wireman I'm using those triples because I need a wider front end. I have a zx9 front wheel and it will not work with my old triples. Way to narrow. Plus I'm getting the triples for free:) I guess I should have said why I was using the 1300 triples in my first post. Sorry I'm still a rookie at this:)

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  • wireman
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03 Apr 2006 23:20 #36589 by wireman
Replied by wireman on topic triples modification
ive never seen it done ,but if he does make you some bushings make sure he puts a shoulder on top of them to keep them in place.;) goodluck,happy wrenching!

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  • twowheeledterror
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05 Apr 2006 06:01 #36853 by twowheeledterror
Replied by twowheeledterror on topic triples modification
Even with shoulders I wouldn't get on a sleeved front end bike. No farkin way...

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05 Apr 2006 08:17 #36894 by galaxian
Replied by galaxian on topic triples modification
Why not? Theoretically if you shimm the pressure at which you compress the triple on to the fork is the same. If its is shouldered it should not slip out. So why are you so worried. I have seen older race bikes at the track that had this. Some guys were even running eccentric shims to squeeze every bit of adjustability that they could.

Post edited by: galaxian, at: 2006/04/05 11:21

1977 KZ1000A1, 1979 KZ650 C3

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05 Apr 2006 10:35 #36927 by steell
Replied by steell on topic triples modification
I would have no concerns about riding a bike that had shims in the clamps, as long as they are done properly, there is plenty enough clamping force available to lock them in place (again, if done properly).

I have not had to shim any fork clamps yet, but I may do so in the future, and will have no qualms about doing so.

KD9JUR

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  • wireman
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05 Apr 2006 15:18 #36992 by wireman
Replied by wireman on topic triples modification
i see a lot of differant wheels and swingarms on here that have been fitted to bikes,im sure there was some bushings involved some where in that process.i think kosman makes some adjustable trees that use some sort of bushings to make adjustments.im pretty sure Sandy Kosman owns some tools other than a file and hes been using them since before i was born.

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  • twowheeledterror
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05 Apr 2006 15:55 #36999 by twowheeledterror
Replied by twowheeledterror on topic triples modification
wireman wrote:

i see a lot of differant wheels and swingarms on here that have been fitted to bikes,im sure there was some bushings involved some where in that process.i think kosman makes some adjustable trees that use some sort of bushings to make adjustments.im pretty sure Sandy Kosman owns some tools other than a file and hes been using them since before i was born.


Whatever you say chief. I've made my point. No one said you guys can't disagree, but the fact is that the best and safest way for this problem to be solved is to use the proper triple trees.

Here's a better question... why isn't the thread starter just getting the correct trees and running them instead of shimming?

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05 Apr 2006 16:21 #37003 by 77KZ650
Replied by 77KZ650 on topic triples modification
Heres an idea, get the zx9 forks to match the wheel, the forks are bigger, and bore the triples out to the new size. no shims, no arguments;)
Scott

07 MDP Rookie of the Year
01 ZX-12R street/drag bike. 8.97 @155.7 pump gas, dot tires, no bars, no power adders. top speed in the 1/4: 161MPH

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  • wireman
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05 Apr 2006 16:27 #37005 by wireman
Replied by wireman on topic triples modification
chief huh,i like it !its not as catchy as training wheel or kiddo,but ill take what i can get!:whistle: lets see i take the diameter of the bigger tube and subtract the diameter of the smaller tube to get the diameter and thickness of the bushings i need.its been a while since junior high shop class but i think i remember that much .am i close so far?id also leave a small shoulder on the top and split it down the side like triple tree to make it easier to clamp down.i be willing to bet i could make them myself in less than an hour.if i can get the measurements i might just do it to prove how easy it really is to do with a lathe.

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