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Author Topic: An odd one. 82 kz750r1.  (Read 9848 times)

Online CrabsAndCylinders

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Re: An odd one. 82 kz750r1. Brat cafe.
« Reply #50 on: May 06, 2017, 14:18:05 »
Altering the original frame geometry by changing shock or fork lengths will change the handling.  Sometimes for the better, more often for the worse, even dangerously so on some setups.  Getting proper rear loop to tire clearance by changing shocks is not the way to do it, especially if the shocks are sprung wrong in the first place.  One way to check clearance is use a ratchet strap, remove one of the shocks and then compress the tail with the strap until the shock bottoms out.  If you still have any clearance after that, you are golden, if not, you'll end up hitting the loop at some point.

If it was me, I'd get some proper rear shocks at the right length and spring rate, then deal with fixing that rear loop with a kick up as it really looks like it would help on your bike.

What he said.
Lighter, Quicker, Faster.
ZX-14, 900F x 2, 1100F, R100, CBR600, SR500, GT500, RZ350, KZ1000 x 2, Moto Guzzi Lemans lll, CBX550, RD 350, 750 SOHC police special, RG250, TL1000R, GT750, KTM Super Duke 1290 R, Harris/Z-1, Norton 750 Commando, Green 77 KZ650

Offline Coopacoopacoopa

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Re: An odd one. 82 kz750r1. Brat cafe.
« Reply #51 on: Oct 27, 2017, 16:49:23 »
Cleaned up the carbs some.

Before



After



Couldn't turn down a good deal on a zx9-r front end. Going to change out the front tire for something that's not a 60 series. 

 

Stock steering stem pressed into the lower triple tree. Need to round up some odds and ends hardware.   



I painted the frame and swing arm Audi Nardo grey. Tank and headlight bucket are painted Porsche Arena red pearl. I think it should make for a good color combination. Ended up with a little bit of orange peel on the tank and headlight bucket. Nothing a little wet sanding, cutting, and buffing won't take care of. Hopefully going to put a motor back in the frame soon.

« Last Edit: Jan 07, 2018, 14:44:38 by Coopacoopacoopa »

Offline JSJamboree

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Re: An odd one. 82 kz750r1. Brat cafe.
« Reply #52 on: Nov 02, 2017, 12:12:49 »
Ah yes, this is coming along nicely!

Offline doc_rot

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Re: An odd one. 82 kz750r1. Brat cafe.
« Reply #53 on: Nov 02, 2017, 21:10:13 »
ouch, not a good idea.
You'll be rubbing your tire against the hoop.
Remember that 2.5 inches will already be down to 1.5 inches onces you sit on it. Then that 1.5 inch has to withstand speed bumps and pot holes and acceleration.  :-X

I helped a friend "un-fuck" a kz750R1 a few years ago, I can confirm that even with the stock shocks a straight hoop will rub the wheel, as the previous owner found out when he ripped his whole fender off. We welded in a new hoop that was about 2 inches taller to clear the wheel. The rear wheel moves more than the shocks travel. The only way to reliably determine if it will hit is to remove one shock and then use a ratchet strap to compress the suspension till the remaining shock bottoms.

Love the paint! it matches the gold fork tubes nicely. are you going to put on stripes or decals?

Online CrabsAndCylinders

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Re: An odd one. 82 kz750r1. Brat cafe.
« Reply #54 on: Nov 02, 2017, 21:16:08 »
I helped a friend "un-fuck" a kz750R1 a few years ago, I can confirm that even with the stock shocks a straight hoop will rub the wheel, as the previous owner found out when he ripped his whole fender off. We welded in a new hoop that was about 2 inches taller to clear the wheel. The rear wheel moves more than the shocks travel. The only way to reliably determine if it will hit is to remove one shock and then use a ratchet strap to compress the suspension till the remaining shock bottoms.

Love the paint! it matches the gold fork tubes nicely. are you going to put on stripes or decals?

Not only will the hoop rub against the wheel, the wheel may rub against YOUR hoop.  :)
Lighter, Quicker, Faster.
ZX-14, 900F x 2, 1100F, R100, CBR600, SR500, GT500, RZ350, KZ1000 x 2, Moto Guzzi Lemans lll, CBX550, RD 350, 750 SOHC police special, RG250, TL1000R, GT750, KTM Super Duke 1290 R, Harris/Z-1, Norton 750 Commando, Green 77 KZ650

Offline Coopacoopacoopa

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Re: An odd one. 82 kz750r1. Brat cafe.
« Reply #55 on: Nov 16, 2017, 11:18:28 »


Rocky Mountain Kawasaki for the win! They had this on the shelf.



Progress.

In the process of electrical work. The alternator-->rectifier wiring was previously hacked up pretty bad for some reason. I know I need diodes in the system, and I quickly glanced around for them and didn’t see anything. Where do they live? Sort of integrated near the windings inside the alternator case?
« Last Edit: Nov 16, 2017, 13:17:43 by Coopacoopacoopa »

Offline doc_rot

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Re: An odd one. 82 kz750r1. Brat cafe.
« Reply #56 on: Nov 16, 2017, 12:55:17 »
the wiring is real simple, just 3 yellow from the alternator to the r/r, those triangle/square symbols show bullet connectors, not the diode symbol.
« Last Edit: Nov 16, 2017, 12:57:34 by doc_rot »

Offline Coopacoopacoopa

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Re: An odd one. 82 kz750r1. Brat cafe.
« Reply #57 on: Nov 16, 2017, 14:08:36 »
That's the exact same diagram I've been using. Makes sense that those are bullet connectors, makes the alternator replaceable without cutting/splicing things. And if that's the case, what is the symbol for diode? I'm looking over the diagram and not seeing any.  :P

Offline doc_rot

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Re: An odd one. 82 kz750r1. Brat cafe.
« Reply #58 on: Nov 16, 2017, 14:45:04 »
there are no diodes in the stock system. the diode symbol triangle points to a line, where as these point to a box.

Offline Coopacoopacoopa

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Re: An odd one. 82 kz750r1. Brat cafe.
« Reply #59 on: Nov 16, 2017, 15:38:04 »
Great! Thanks so much for the info there,  saved me quite a bit of head scratching.  ::)

I helped a friend "un-fuck" a kz750R1 a few years ago, I can confirm that even with the stock shocks a straight hoop will rub the wheel, as the previous owner found out when he ripped his whole fender off. We welded in a new hoop that was about 2 inches taller to clear the wheel. The rear wheel moves more than the shocks travel. The only way to reliably determine if it will hit is to remove one shock and then use a ratchet strap to compress the suspension till the remaining shock bottoms.

Love the paint! it matches the gold fork tubes nicely. are you going to put on stripes or decals?

Not sure exactly what the plan is yet, but the tail end will be sorted eventually.

No plan for decals or stripes yet. The Honda tank emblems won't be put back on. Was almost thinking about making my own tank emblems out of polished copper or brass.
« Last Edit: Jan 07, 2018, 14:52:36 by Coopacoopacoopa »