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Author Topic: CB750 alternative motor?  (Read 4139 times)

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Offline KRONUS0100

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CB750 alternative motor?
« on: January 02, 2011, 06:19:28 PM »
maybe its lack of sleep.  tried google search and yahoo...even looked here..     I know I have seen pictures of a CB750 SOHC with a Kawasaki or a Suzuki motor in it.  Am I hallucinating?
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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 bender01

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Re: CB750 alternative motor?
« Reply #1 on: January 02, 2011, 06:30:15 PM »
On e-bay last summer there was a kawa 900 Z-1 ? engine in a KO! I think it was in Mass! Looked preety well done too!
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75 550 K1
74 750 K4
1968 450 K1 Super Sport
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http://www.bikepics.com/members/bender01/
So, the strategy is to lie to people you are asking for help?

I think I'll be busy going for a ride.

Good luck!
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Offline Retro Rocket

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Re: CB750 alternative motor?
« Reply #2 on: January 02, 2011, 06:42:52 PM »
I have pics of that one.... ;)



I have also seen one with a GSXR1100 engine in it, i think it was from England somewhere..


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 seanbarney41

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Re: CB750 alternative motor?
« Reply #3 on: January 02, 2011, 06:53:12 PM »
I have heard and seen pictures of one of the veryearliest pre-production test Kawi Z1's had honda cb750 bodywork to disguise it.  I'm gonna see if I can find it.
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Offline Retro Rocket

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Re: CB750 alternative motor?
« Reply #4 on: January 02, 2011, 06:56:31 PM »
Original Z1 model.....



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 seanbarney41

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Re: CB750 alternative motor?
« Reply #5 on: January 02, 2011, 07:43:50 PM »
Quote from: seanbarney41 on January 02, 2011, 06:53:12 PM
I have heard and seen pictures of one of the veryearliest pre-production test Kawi Z1's had honda cb750 bodywork to disguise it.  I'm gonna see if I can find it.
Man, all keep coming up with is something about new york steak.  Maybe somebody else can clear this up for me, I can't find where I saw this...gotta go to bed before I go crazy.
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Hinomaru

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Re: CB750 alternative motor?
« Reply #6 on: January 03, 2011, 05:41:02 AM »
Quote from: KRONUS0100 on January 02, 2011, 06:19:28 PM
maybe its lack of sleep.  tried google search and yahoo...even looked here..     I know I have seen pictures of a CB750 SOHC with a Kawasaki or a Suzuki motor in it.  Am I hallucinating?

Here's one for you and bender01:



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Offline bender01

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Re: CB750 alternative motor?
« Reply #7 on: January 03, 2011, 07:00:12 AM »
Yhats the one Hinomaru!
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75 550 K1
74 750 K4
1968 450 K1 Super Sport
74 750k 836 project
http://www.bikepics.com/members/bender01/
So, the strategy is to lie to people you are asking for help?

I think I'll be busy going for a ride.

Good luck!
Two Tired Quote !

Offline KRONUS0100

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Re: CB750 alternative motor?
« Reply #8 on: January 03, 2011, 02:15:25 PM »
ok thanks guys.  knew I wasn't hallucinating..   this has given me a few ideas...I have a spare suzuki gs1000 bottom end...needs the head and cams.............hhhmmmmmmmmmmmm
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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 KRONUS0100

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Re: CB750 alternative motor?
« Reply #9 on: January 06, 2011, 06:20:23 AM »
ok after more thought on the subject..........................any related tech articles?  looking to learn more on how.  Is it a direct drop in, or do motor mounts have to be moved, or made?  Obviously have to run pods......my understanding these motors have better set of carbs as well...more responsive.  Definitely paves the way to build a bike.
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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 bert96

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Re: CB750 alternative motor?
« Reply #10 on: January 06, 2011, 06:23:07 AM »
 I don't get the point???? why not just buy a Kawasaki instead?



Bert
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Offline tango911

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Re: CB750 alternative motor?
« Reply #11 on: January 06, 2011, 06:30:24 AM »
thats just not right :0


lol
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Hinomaru

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Re: CB750 alternative motor?
« Reply #12 on: January 06, 2011, 06:58:12 AM »
Quote from: tango911 on January 06, 2011, 06:30:24 AM
thats just not right :0


lol

tango911, here's one for you:

http://rides.webshots.com/photo/2190745770102337541dfOSVh 

(click on pic for full screen)

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Hinomaru

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Re: CB750 alternative motor?
« Reply #13 on: January 06, 2011, 07:01:15 AM »
Quote from: KRONUS0100 on January 06, 2011, 06:20:23 AM
ok after more thought on the subject..........................any related tech articles?  looking to learn more on how.  Is it a direct drop in, or do motor mounts have to be moved, or made?  Obviously have to run pods......my understanding these motors have better set of carbs as well...more responsive.  Definitely paves the way to build a bike.

Not much to go on ... those pictures came from this old thread:

http://forums.sohc4.net/index.php?topic=74406.msg827829#msg827829

The ebay seller of those modified bikes is: fastbike6667 and he's still active with this current listing:

http://cgi.ebay.com/ebaymotors/Kawasaki-Z1900-1975-KAWASAKI-Z1900-_W0QQcmdZViewItemQQhashZitem230d1848a8QQitemZ150543550632QQptZUSQ5fmotorcycles

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Offline KRONUS0100

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Re: CB750 alternative motor?
« Reply #14 on: January 06, 2011, 07:07:15 AM »
hey guys....it gets even scarier......................my son just set the Suzy GS1000 bottom end in the cradle of my CB750F...............................................it fits.  Have to move some motor mounts...and a gordon frame kit to get full motor in and out....but it fits...very nicely....will get pics up tonight on photobucket...then here.
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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 seanbarney41

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Re: CB750 alternative motor?
« Reply #15 on: January 06, 2011, 02:17:14 PM »
Quote from: bert96 on January 06, 2011, 06:23:07 AM
I don't get the point???? why not just buy a Kawasaki instead?



Bert
Honda good looks with Kawasaki horsepower(much more!)  Ever hear of a "sleeper"?
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Offline Retro Rocket

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Re: CB750 alternative motor?
« Reply #16 on: January 06, 2011, 02:24:45 PM »
Quote from: KRONUS0100 on January 06, 2011, 07:07:15 AM
hey guys....it gets even scarier......................my son just set the Suzy GS1000 bottom end in the cradle of my CB750F...............................................it fits.  Have to move some motor mounts...and a gordon frame kit to get full motor in and out....but it fits...very nicely....will get pics up tonight on photobucket...then here.

You do realise that the Big Suzuki handled better than the Honda.? I would be looking for a cheap GS and doing it up.... ;)

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 bert96

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Re: CB750 alternative motor?
« Reply #17 on: January 06, 2011, 03:58:37 PM »
Quote from: seanbarney41 on January 06, 2011, 02:17:14 PM
Quote from: bert96 on January 06, 2011, 06:23:07 AM
I don't get the point???? why not just buy a Kawasaki instead?



Bert
Honda good looks with Kawasaki horsepower(much more!)  Ever hear of a "sleeper"?


keep the honda engine....ever hear of a ''big bore''...... ;D ;)

Bert
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Offline KRONUS0100

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Re: CB750 alternative motor?
« Reply #18 on: January 06, 2011, 05:03:38 PM »
i have the sleeper.......81 gs1100e.   pics are at imageshack  under mbrizfam590.............dont have them here yet.   waitin on warm day to put motor back in 750.   the things to do when wintertime boredom sets in....lol.
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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
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