KZR's Bikes of the Month for 2024

1975 KZ 900 , ZRX Swingarm, 89 GSXR front end

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14 Apr 2009 22:02 #281898 by tk11b40
Replied by tk11b40 on topic 1975 KZ 900 , ZRX Swingarm, 89 GSXR front end
ooops maybe you meant the "fat" side, oh crap I have now exposed a mistake that could have remained hidden therby making myself look silly!!

Ok the fat side is an experiment of sorts. I am thinking about putting one of those really short GSXR steering stabilizers on, there is a 1/4-20 tapped hole on the side.

He he :laugh: I just don't quite have that one figured out yet.

Suzuki GSXR 750 slabside
Ducati S4R
Husqvarna FE 350s
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15 Apr 2009 04:28 #281923 by StreetfighterKz
Replied by StreetfighterKz on topic 1975 KZ 900 , ZRX Swingarm, 89 GSXR front end
Here's what I did on my 900. You'll probably have to weld a tab on your triple tree.



Later, Doug

1978 z1000 Streetfighter
1976 z900 Stripfighter (work in progress)
1983 Gpz750 Resto-Mod
1989 Vmax

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  • mark1122
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  • Keep twisting it
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15 Apr 2009 07:57 - 15 Apr 2009 19:55 #281950 by mark1122
Replied by mark1122 on topic 1975 KZ 900 , ZRX Swingarm, 89 GSXR front end
tk11b40 wrote:

ooops maybe you meant the "fat" side, oh crap I have now exposed a mistake that could have remained hidden therby making myself look silly!!

Ok the fat side is an experiment of sorts. I am thinking about putting one of those really short GSXR steering stabilizers on, there is a 1/4-20 tapped hole on the side.

He he :laugh: I just don't quite have that one figured out yet.


Yes the fat side. I hope u can figure that 1 out too. The stabilizer will be a nice touch.
I am glad i used rattle can paint on my bike for this very reason. it's to hard to get everything perfect the first go round.
I will be making some of these mods myself before i do the final paint job. Is there any tips on witch stabilizer to buy? Thanks for sharing your ideas. You too Doug.

76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.

~ ~ ~_@
~ ~ _- \,
~ (k) / (z)
Last edit: 15 Apr 2009 19:55 by mark1122.

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15 Apr 2009 19:26 #282108 by tk11b40
Replied by tk11b40 on topic 1975 KZ 900 , ZRX Swingarm, 89 GSXR front end
I'm still brainstorming the stabilizer.

I really like the way the photo submitted looks.....still thinkin....

Suzuki GSXR 750 slabside
Ducati S4R
Husqvarna FE 350s

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15 Apr 2009 21:54 #282143 by stoppee
Replied by stoppee on topic 1975 KZ 900 , ZRX Swingarm, 89 GSXR front end
Wow Tex, this things looking good. Will be nice to see it in person. Are you sure you can't bring it the WSB?

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16 Apr 2009 21:19 #282472 by tk11b40
Replied by tk11b40 on topic 1975 KZ 900 , ZRX Swingarm, 89 GSXR front end
Stoppee....

Bring the scooter to WSB!! you know the "elite"!!

Oh wait mispelled "scooter"

"SCOUTER"???:laugh:

Suzuki GSXR 750 slabside
Ducati S4R
Husqvarna FE 350s

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22 Apr 2009 21:16 #284244 by stoppee
Replied by stoppee on topic 1975 KZ 900 , ZRX Swingarm, 89 GSXR front end
Could be interesting...could see if we could put it on display at the Honda tent with the other custom bikes :side: . Maybe able to convince them that it shows the abuse it has taken and keep running.

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22 Apr 2009 23:57 #284301 by tk11b40
Replied by tk11b40 on topic 1975 KZ 900 , ZRX Swingarm, 89 GSXR front end
Ahh yes..

Next to the latest and grreatest CBR 1000rr, we have the elite, fastest scooter in the northwest.:laugh:

Suzuki GSXR 750 slabside
Ducati S4R
Husqvarna FE 350s

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24 Apr 2009 22:08 #284961 by tk11b40
Replied by tk11b40 on topic 1975 KZ 900 , ZRX Swingarm, 89 GSXR front end
Well my good buddie Ed the toolmaker let me use his lathe today, I machined up a slick set of bushings for the CR rear brake caliper (carrier), centering it on the axle and the diameter of the rear rotor. Two bushings that sandwich the carrier, and hold the rear wheel in the proper alignment to the countersprocket, and centered on the steering head.

Camera batteries are dead, soon as it's charged I'll post a photo.

If you are reading this, and have a project you have not posted, I encourage you to post it. I find myself thinking "hey it's been a week since I posted any new work". So you get busy on something. Kinda motovates you on the timeline.:P

Suzuki GSXR 750 slabside
Ducati S4R
Husqvarna FE 350s

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24 Apr 2009 23:39 #284991 by tk11b40
Replied by tk11b40 on topic 1975 KZ 900 , ZRX Swingarm, 89 GSXR front end
Allright!!!

Lots of thinking and cyperhin went into the front and rear wheel alignment. Finally completed.

The CR 450 Caliper comes with a carrier, which has a giant hole in it for the dirt bike axle. So bushings are in order. I needed 1.330" spacing to rear wheel from swingarm and had to get the caliper centered on the rotor.

Solution: a two piece flange/ bushing that holds the caliper in the center of the rotor, and center of the axle.

Ahhhhhh let the machining begin!! So nice to make chips again.


Rather than bore you with yadda yadda technical writn jargon, I tried to graphicalize/ duct tape this here sicheeasion.:unsure:

Suzuki GSXR 750 slabside
Ducati S4R
Husqvarna FE 350s
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24 Apr 2009 23:42 #284992 by tk11b40
Replied by tk11b40 on topic 1975 KZ 900 , ZRX Swingarm, 89 GSXR front end
:S

Here's a little more clarifacation on this here situation:

Suzuki GSXR 750 slabside
Ducati S4R
Husqvarna FE 350s
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24 Apr 2009 23:58 #284993 by tk11b40
Replied by tk11b40 on topic 1975 KZ 900 , ZRX Swingarm, 89 GSXR front end
The total gyration of clarification, thats a homonagization of Old Kz, New ZRX, and New dirt bike!!!

Super light weight rear brake....

That there is some dedication to the motovation!!

Nowww ....Whadd I doo with that there duct tape anyhow??



:laugh:

Suzuki GSXR 750 slabside
Ducati S4R
Husqvarna FE 350s
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