KZR's Bikes of the Month for 2024

Brand new here from Kansas.

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13 Aug 2024 19:14 #903227 by Keys_KAW
Brand new here from Kansas. was created by Keys_KAW
Hello, I just purchased this bike from a friend, he has raced it since the early 80's. It has 1,153 original miles, all on the track. I have known this bike since I was 12 years old and he taught me how to work on this bike. Once I dig into this bike, I'm sure that I will have a few questions for your members.
I have owned other motorcycles over the years, but this is the one I have always wanted.

The following user(s) said Thank You: howardhb

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  • Wookie58
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14 Aug 2024 06:07 #903247 by Wookie58

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  • gd4now
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  • Denco where did you go?
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14 Aug 2024 07:05 #903249 by gd4now
Replied by gd4now on topic Brand new here from Kansas.
Welcome to the fun!  That is an interesting looking machine, what are you planning on doing with it? You going to keep it as is or make some changes?

1977 KZ650 B1
Pods and Denco header


OLD KAW OWNERS SMILE ALOT

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14 Aug 2024 10:20 #903260 by Keys_KAW
Replied by Keys_KAW on topic Brand new here from Kansas.
Hi gd4now,
Twenty years ago I would have freshened it up and raced it, but now I would like to put it on the street. I have some original parts to the bike and I have ordered a few items that were missing or broken.
My first goal is to make it appear road worthy and pass the Kansas DMV inspection, because it has never been titled for the street.

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  • DOHC
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  • Those Doe-Hawks really go!
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14 Aug 2024 17:54 #903281 by DOHC
Replied by DOHC on topic Brand new here from Kansas.
Cool bike.  I have a similar project with my dad's Z1.  It was also a drag only bike since the early 80s.  Similar struts and wheelie bars.  

Do you know what work has been done to the engine?  If it has high compression pistons you may need to detune it a fair bit to make it back into a street bike.  My dad's Z1 has 12.5:1 pistons and he ran 110 octane race gas.

'78 Z1-R in blue , '78 Z1-R in black, '78 Z1-R in pieces
My dad's '74 Z1
'00 ZRX1100

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14 Aug 2024 18:09 #903283 by TexasKZ
Replied by TexasKZ on topic Brand new here from Kansas.
Welcome aboard!

1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24

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15 Aug 2024 06:18 #903302 by Keys_KAW
Replied by Keys_KAW on topic Brand new here from Kansas.
HI DOHC,
The engine has big bore cylinders (1,48?cc range), 40mm Mikuni's, Dyna ignition, Etc. He could not remember the compression, but it runs on VP C14. The engine is not original to the bike, it's had several over the years. I don't think it could be detuned enough for the street, I will search for another engine and set this one on the shelf.
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15 Aug 2024 06:41 #903303 by TexasKZ
Replied by TexasKZ on topic Brand new here from Kansas.
De-tuning a bit would not be too complicated, but with nearly 1500cc, I suspect you would be in a constant battle against over heating and its performance in the lower half of the rpm range would be frustrating. A different engine built with street performance in mind would be far more pleasurable to ride.

1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24

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15 Aug 2024 17:03 #903320 by Keys_KAW
Replied by Keys_KAW on topic Brand new here from Kansas.
Hi TexasKZ,
I agree with you, the engine was built to scream, not to be choked down.

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16 Aug 2024 02:54 #903324 by asphalt900
Replied by asphalt900 on topic Brand new here from Kansas.
Where in Kansas do You live? I'm in Paola, Ks. Just got rid of a set of "D" engine cases, darn.

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  • DOHC
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  • Those Doe-Hawks really go!
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16 Aug 2024 06:07 #903331 by DOHC
Replied by DOHC on topic Brand new here from Kansas.

I don't think it could be detuned enough for the street, I will search for another engine and set this one on the shelf.

I think the Z1 is maybe around 1250cc, with big Lectron carbs in the 40mm range.  

I've gone back and forth on this.  It would be cool to preserve the engine my dad build, but I don't really need a 200 pound paper weight with sentimental attachments.

I figure I'll just replace the cylinder head and block and leave the bottom end as is, with a typical upgrade piston kit of 1045 or 1075cc at 10.25:1.  Eventually.....

I see you are missing the windshield on your fairing.  I have been tempted in the past to get one of the Bull Dock cut down windscreens.  I think it would look cool.

japan.webike.net/products/21025176.html


 

'78 Z1-R in blue , '78 Z1-R in black, '78 Z1-R in pieces
My dad's '74 Z1
'00 ZRX1100

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16 Aug 2024 13:17 #903340 by Keys_KAW
Replied by Keys_KAW on topic Brand new here from Kansas.
Hi asphalt900,
I live outside of Valley Center. I am going to search for a rebuildable engine. I do not know what they're going for these days.

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