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KZ1000 Police conversion to cafe custom

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05 Apr 2012 17:54 #514223 by kaw-a-holic
Replied by kaw-a-holic on topic KZ1000 Police conversion to cafe custom
You had mentioned supporting the carbs if you went to pods, my vote is yes. I went with pods last year and struggled with them staying put. Once i had to reach down while on the highway and push them back in, not cool. I am just about done with my support brace for the carbs and will post the process tomorrow.
-Jon

Jon
1977 KZ1000a1
Mesa, AZ
Phoenix Fighter Project

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09 Apr 2012 12:01 #514835 by sweetbro
Replied by sweetbro on topic KZ1000 Police conversion to cafe custom
Ok, I'd really like to see that. I have not supported them and I have had no trouble at all so far.

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09 Apr 2012 12:14 #514839 by Patton
Replied by Patton on topic KZ1000 Police conversion to cafe custom
Without carb weight being supported on the intake side, there's more stress on the carb holders, which imo shortens their service life.

Good Fortune! :)

1973 Z1
KZ900 LTD

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10 Apr 2012 16:44 #515070 by sweetbro
Replied by sweetbro on topic KZ1000 Police conversion to cafe custom
K, maybe this isnt the best place for this question, if I dont get an answer, I will move it. Anyway, the bikes ride height and suspension are totally stock and I have not dropped the front or anything. My problem is I get crazy head shake. At any speed, if I let go of the bars, and there is ANY disturbance a head shake starts that turns especially violent, very quickly. Why would this happen on a stock set up? Should I get a steering damper? Is there another issue?

-Josh

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10 Apr 2012 22:33 #515128 by Patton
Replied by Patton on topic KZ1000 Police conversion to cafe custom

sweetbro wrote: K, maybe this isnt the best place for this question, if I dont get an answer, I will move it. Anyway, the bikes ride height and suspension are totally stock and I have not dropped the front or anything. My problem is I get crazy head shake. At any speed, if I let go of the bars, and there is ANY disturbance a head shake starts that turns especially violent, very quickly. Why would this happen on a stock set up? Should I get a steering damper? Is there another issue?

-Josh


These links point to some helpful info about speed wobble causes and prevention.

www.kzrider.com/forum/5-chassis/500748-r...-turns-normal#500748

www.kzrider.com/forum/25-racing/500376-r...e-ready-again#500376

www.kzrider.com/forum/5-chassis/496196-r...-turns-normal#496196

Could also do a forum search for speed wobble.




Good Fortune! :)

1973 Z1
KZ900 LTD
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10 Apr 2012 23:27 #515146 by MFolks
Replied by MFolks on topic KZ1000 Police conversion to cafe custom
I copied this from a post from Jeff Saunders (owner of Z1 enterprises)

Motorcycle Wobble Causes

There's a LONG list of potential area that can cause this.

These are not in any particular order

Wheel bearings

Steering bearings - repack grease, check tightness

Swing arm bushings/sleeves/bearings - replace if worn, repack grease

Fork springs aging - check spring length

Unequal fork oil - if seals leak, then your damping can be ineffective

Rear shocks aging, damper leaks - if you have oil leaking from the seals, the damping is toast.

Worn Tires/Mismatched tires/tire pressures/wrong size tires
Wheel alignment - don't trust the chain adjusters - I visually align the wheels.

Bent rims/broken spokes - get the wheels off the ground and spin them - check for runout / damage

Front disc warped - check for runout

Steering & swing arm bearings are very common problems, but so are tire issues (pressure/mismatch) and wheel alignment.


Also adding a front fork brace will add in stiffness, especially if no front fender is being used. www.fastfromthepast.com has a nice selection of braces.

1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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21 Apr 2012 22:25 #517210 by damarble
Replied by damarble on topic KZ1000 Police conversion to cafe custom
Did I read correctly that you are looking for yet another seat? I was looking at using that one you have on there now but without the springs. Any reason you don't like it?

Go green, buy a Kawasaki!

82 KZ750M CSR Build Thread

89 ZX600C Streetfighter

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24 Apr 2012 12:55 #517779 by sweetbro
Replied by sweetbro on topic KZ1000 Police conversion to cafe custom
I am going to check out a lot of those causes for the head shake. Its not an issue as long as you keep both hands on the bars, so I dont need to fix it tonight, but I will keep it updated as it goes.

As for the seat, I want something like the bike in this article. CB750
There is nothing wrong with the seat, I just want to have a 2 person seat.

-Josh

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24 Apr 2012 14:29 #517795 by damarble
Replied by damarble on topic KZ1000 Police conversion to cafe custom
Cool beans. That CB seat looks pimp.

Go green, buy a Kawasaki!

82 KZ750M CSR Build Thread

89 ZX600C Streetfighter

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24 Apr 2012 15:21 #517804 by sweetbro
Replied by sweetbro on topic KZ1000 Police conversion to cafe custom
Yea, now all I have to do is mod up the frame so that seat will work.

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20 Jun 2012 23:48 #530658 by sweetbro
Replied by sweetbro on topic KZ1000 Police conversion to cafe custom
Ok, so funny thing, I was looking to order new shocks. I went out to measure mine and forgot about sag and all that. I decided to lift the back of the bike to see how much sag the bike had sitting. Well, none. Ha. With all the cop stuff stripped off, it is much lighter. I ordered new shocks. with lighter springs (I think). That should help. The shocks are 10mm shorter too. I'm hoping some of this will help with the head shake. We will see.

I did some real work on the bike today tho, I cut the back of the frame a little cleaner and made the hoop for the back where the long seat will go. Its funny, I still have the front crash bar from the bike, so I cut that up to extend the frame :evil:



I also removed the radio box support, then beat it flat and welded it back in, as a support for the seat that is coming. I have new lights you can see as well.





I'm going to cut and lower that rear seat mount as well, just didnt have time today. I trimmed the rear fender too, cause I want to keep it for a while to protect the electrical. I will eventually make/get something cleaner, but it still works for now.

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21 Jun 2012 13:53 #530748 by sweetbro
Replied by sweetbro on topic KZ1000 Police conversion to cafe custom
Quick question about my shifter. The actual shift rod that sticks out of the motor and thru the front sprocket cover is sloppy. Like, when I shift there is a lot of back and forth play. and I dont mean twisting play, but the rod actually going backward and forward. Is there supposed to be a bushing in the sprocket cover?

Any ideas?

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