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Author Topic: 1970 Kawasaki CB750  (Read 5586 times)

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Offline B.O.X.N.I.F.E.

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1970 Kawasaki CB750
« on: July 22, 2010, 10:06:57 PM »
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Offline laser145

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Re: 1970 Kawasaki CB750
« Reply #1 on: July 22, 2010, 10:09:58 PM »
Talk about a conversation starter...Imagine the second looks he gets at stoplights by those who know our bikes.
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Offline 754

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Re: 1970 Kawasaki CB750
« Reply #2 on: July 22, 2010, 10:25:34 PM »
KO-Z1..
 Cool.. I am thinking of putting an 80 GS 750 in a CB frame..
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Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline bwaller

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Re: 1970 Kawasaki CB750
« Reply #3 on: July 23, 2010, 04:03:23 AM »
Ah come on...that's just plain wrong.  ::)
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Offline zzpete

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Re: 1970 Kawasaki CB750
« Reply #4 on: July 23, 2010, 05:54:43 AM »
 ??? "Cutting up 2 classics"  :o
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Offline Terry in Australia

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Re: 1970 Kawasaki CB750
« Reply #5 on: July 23, 2010, 06:11:35 AM »
That is brilliant! What a great daily rider that would be! I wonder what he's gonna use his oil tank for, apart to hold the sidecover on? Cheers, Terry. ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Hinomaru

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Re: 1970 Kawasaki CB750
« Reply #6 on: July 23, 2010, 06:25:30 AM »
Looks like this later model K received the same modification:

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Offline Terry in Australia

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Re: 1970 Kawasaki CB750
« Reply #7 on: July 23, 2010, 06:15:15 PM »
Where'd you find that pic mate? It looks better than the other one! Talk about the UJM, the "Universal Japanese Motorcycle", what a classic example. I might have to follow Frank's lead, I've got a spare Suzuki GS1000 engine, I might have to see if I can slot it into my spare K5 frame! ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Hinomaru

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Re: 1970 Kawasaki CB750
« Reply #8 on: July 23, 2010, 08:49:01 PM »
Pretty sure that pic came from the same eBay seller (fastbike6667) who listed that bike earlier this year. Note the virtually identical backgrounds and date stamps in both the pics when placed side by side:








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Offline Terry in Australia

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Re: 1970 Kawasaki CB750
« Reply #9 on: July 23, 2010, 09:17:40 PM »
I think you're right mate, thanks for that, and I think that guys on to something, I really am seriously considering building one of my own! Cheers, Terry. ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline zzpete

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Re: 1970 Kawasaki CB750
« Reply #10 on: July 24, 2010, 06:19:45 AM »
I don't think I'd ever make one, but I sure would like to ride it!!!   ::)
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Offline KRONUS0100

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Re: 1970 Kawasaki CB750
« Reply #11 on: July 24, 2010, 06:28:12 AM »
wow.yu got to be kidding right?  what size motors are those and roughly what years?  I also have a spare suzuki gs motor and a spare 750 frame.................hhhhhhhhmmmmmmmmmmm
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MATT
current bikes:  1976 CB750F, 1981 GS1100E
bikes owned:1981 GL1100I, 1990 GS500E, 1981 GS850, 1977 and 1979 GS750, 1974 CB750, 1975 CB750, and a 1982 GS750E

Offline Retro Rocket

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Re: 1970 Kawasaki CB750
« Reply #12 on: July 24, 2010, 05:37:26 PM »
Quote from: KRONUS0100 on July 24, 2010, 06:28:12 AM
wow.yu got to be kidding right?  what size motors are those and roughly what years?  I also have a spare suzuki gs motor and a spare 750 frame.................hhhhhhhhmmmmmmmmmmm

They are both Z-900 Kawasaki engines from the 1970's. 

Hmmmmm,i have a spare fully braced "F" frame that would just love a bigger engine.... ;)
I have seen a pommy Honda/4 with a GSXR 1100 engine in it....


Mick
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750 K2 1000cc
750 F1 970cc
750 Bitsa 900cc
If You can't fix it with a hammer, You've got an electrical problem.

Offline Terry in Australia

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Re: 1970 Kawasaki CB750
« Reply #13 on: July 24, 2010, 07:03:23 PM »
I suppose to keep it "Honda pure", you could install a CB900-1100F engine Mick, it's just a pity they aren't as "bullet proof" as the old Kawasaki/Suzuki engines? ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

smiffy1071

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Re: 1970 Kawasaki CB750
« Reply #14 on: July 24, 2010, 07:57:46 PM »
Quote from: retro rocket on July 24, 2010, 05:37:26 PM
Quote from: KRONUS0100 on July 24, 2010, 06:28:12 AM
wow.yu got to be kidding right?  what size motors are those and roughly what years?  I also have a spare suzuki gs motor and a spare 750 frame.................hhhhhhhhmmmmmmmmmmm

They are both Z-900 Kawasaki engines from the 1970's. 



Mick



Are you sure? You do know that Kawasaki after the initial success with the Z1 903cc,  produced a Z2, which was 749cc, and looked almost identical to its bigger brother, right?

The Z2 is rare in the extreme, as not many were made.   This bike must not be confused with the later Z750, which was a 738cc.
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Offline Terry in Australia

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Re: 1970 Kawasaki CB750
« Reply #15 on: July 24, 2010, 08:10:49 PM »
The K0 is fitted with a Z1 900 engine, and I think someone said that the red bike was on Ebay advertised with a Z1 900 engine as well, although it could be a Z1000 engine, there's no real differences externally. The Z2 was a "Japan only" bike, with basically just a sleeved down/de-stroked Z900 engine, to meet Japanese engine capacity rules of the era. Cheers, Terry. ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline 754

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Re: 1970 Kawasaki CB750
« Reply #16 on: July 24, 2010, 09:40:56 PM »
Mel Mandel,  aka Mad Mel.. had a turbo Suzi in his 69, by around 82ish..with 150 hp...
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Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline Retro Rocket

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Re: 1970 Kawasaki CB750
« Reply #17 on: July 25, 2010, 04:13:04 AM »
Quote
Are you sure?

Yep..... ;)

Mick
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750 K2 1000cc
750 F1 970cc
750 Bitsa 900cc
If You can't fix it with a hammer, You've got an electrical problem.

Offline rangelov

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Re: 1970 Kawasaki CB750
« Reply #18 on: August 11, 2010, 10:08:58 PM »
I'm not sure why you need to reinforce the CB frame to accept the Kaw engine.  The CB frame is much stiffer than the Z1 frame.  Trust me on this, I have both bikes; 1973 Z1 and 1974 CB750.  My 750 is missing the lower back bone frame rails.  It is still much stiffer than the Z1.  Look at the Kaw steering head assembly design.
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CB750K4, Boss maroon metallic, 836cc, RC Engrg 4 into 1, Forks by Frank, air assisted front forks,  JC Whitney 16" rear.

Offline 754

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Re: 1970 Kawasaki CB750
« Reply #19 on: August 11, 2010, 10:15:51 PM »
 I always thought the Kawi was sort of a featherbed design.. and not that bad a frame.

 Putting the Kawi in the Honda is upping the horespower by a fair bit..
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Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline Retro Rocket

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Re: 1970 Kawasaki CB750
« Reply #20 on: August 11, 2010, 10:21:09 PM »
Quote from: 754 on August 11, 2010, 10:15:51 PM
I always thought the Kawi was sort of a featherbed design.. and not that bad a frame.

 Putting the Kawi in the Honda is upping the horespower by a fair bit..

I have ridden both bikes hard and the "Z" was terrible, it had the most unnerving wobble accelerating in corners and i could regularly beat my mate on my Honda because of it, the Kawasaki "walked" round corners...Actually my Honda had roughly the same HP...Its biggest limitation was ground clearance.

Mick 
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750 K2 1000cc
750 F1 970cc
750 Bitsa 900cc
If You can't fix it with a hammer, You've got an electrical problem.

Offline dave500

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Re: 1970 Kawasaki CB750
« Reply #21 on: August 12, 2010, 12:14:58 AM »
i dont have a photo but a couple of years ago at mt tambourine i saw an xs650 x cb750,,so it had the 750 motor but looked like an xs tank and side panels clocks and seat,i think it had weber or dellortos on it.it looked very good well painted and tidy.
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Offline Retro Rocket

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Re: 1970 Kawasaki CB750
« Reply #22 on: August 12, 2010, 12:28:57 AM »
Quote from: dave500 on August 12, 2010, 12:14:58 AM
i dont have a photo but a couple of years ago at mt tambourine i saw an xs650 x cb750,,so it had the 750 motor but looked like an xs tank and side panels clocks and seat,i think it had weber or dellortos on it.it looked very good well painted and tidy.

I have seen that bike Dave, it was at the Honda anniversary day at Gatton last year. It is a 750/4 with Yamaha tank seat and side covers, i liked it , it looked standard in a funny sort of way...

Mick
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750 K2 1000cc
750 F1 970cc
750 Bitsa 900cc
If You can't fix it with a hammer, You've got an electrical problem.

Offline dave500

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Re: 1970 Kawasaki CB750
« Reply #23 on: August 12, 2010, 12:31:56 AM »
i rubbed my eyes when i saw it mick.
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Offline faux fiddy

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Re: 1970 Kawasaki CB750
« Reply #24 on: August 12, 2010, 01:25:04 AM »
I bet someone is going to move this thread to 'other bikes.' DOHC?
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