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KZ1000J or GPz1100 engine into 750 frame ? 12 Feb 2012 18:26 #503534

  • M357.5
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Hey guys, anyone here do this swap ?

Wondering what all is involved with it ? Was going to do an 810 kit but rather just put a 1000/1100 in and get some extra grunt that way.

Its for my project bike, and yes I can weld, and yes I have access to a VERY good machinist :)

Just want to know what I'm getting into before I hunt down and buy an Engine :evil:
83 KZ750L X2 + goodies = Project
84 KZ750L the mini ELR replica replica lol
84 ZX750E Turbo modded n' FAAAAASSSSSSTTTTT
85 GPz900r GREEN N' MEAN

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Last edit: by M357.5.

KZ1000J or GPz1100 engine into 750 frame ? 12 Feb 2012 21:54 #503586

  • rstnick
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Been a few that have done it.
One post a while back with some instructions, but it's been too long to remember.

That's putting a large engine into a 650, which is basically the same size as the 750.

Here's a few:




Rob
CANADA

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1978 KZ650 C2, 130K kms, Delkevic ex, EI, CVK32, PMC easy clutch, ATK fork brace, steering damper, braced swingarm, 18" Z1R front wheel.
2000 ZRX1100
2011 Ninja 250R
2005 z750s

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KZ1000J or GPz1100 engine into 750 frame ? 13 Feb 2012 00:16 #503640

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Thanks, I've seen the older 900/1000's in a 650 frame before, wondering if the 81 and up J based 1000/1100's go in without too much trouble.
83 KZ750L X2 + goodies = Project
84 KZ750L the mini ELR replica replica lol
84 ZX750E Turbo modded n' FAAAAASSSSSSTTTTT
85 GPz900r GREEN N' MEAN

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KZ1000J or GPz1100 engine into 750 frame ? 13 Feb 2012 00:27 #503642

  • baldy110
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Just finished mine. GPZ1100 engine in a GPZ750 frame. The front engine mounts had to be modified. I kept the engine as low as possible so the valve cover would come off for valve adjustments. Also the engine is not quite centered about 1/8" set to the right, not noticible unless one was to measure it, it created no problems though. That was unavoidable due to the size and demensions of the engine. Just remember one change effects other components.

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Last edit: by baldy110.

KZ1000J or GPz1100 engine into 750 frame ? 13 Feb 2012 00:54 #503647

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Thats awesome baldy. Gorgeous bike for sure.
83 KZ750L X2 + goodies = Project
84 KZ750L the mini ELR replica replica lol
84 ZX750E Turbo modded n' FAAAAASSSSSSTTTTT
85 GPz900r GREEN N' MEAN

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KZ1000J or GPz1100 engine into 750 frame ? 13 Feb 2012 01:20 #503651

  • 650ed
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Here's another one in a KZ650 frame...

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
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KZ1000J or GPz1100 engine into 750 frame ? 13 Feb 2012 08:38 #503687

  • jydog
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Great.... I didnt need to see this thread. Now I want an 84 750 turbo with a gpz1100 motor.
81 KZ1000 LTD
Griffin GA

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KZ1000J or GPz1100 engine into 750 frame ? 06 Mar 2012 17:44 #508149

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Found a donor, Zephyr 1100 engine :)

Only missing the carbs, which are supose to be 34mm CVK's, but I'm thinking if I'm going with the 1100 mill, I should reinvest in some flatslides anyway. Sure wish i HADNT sold my rack of 34mm Mikuni RS's now.
83 KZ750L X2 + goodies = Project
84 KZ750L the mini ELR replica replica lol
84 ZX750E Turbo modded n' FAAAAASSSSSSTTTTT
85 GPz900r GREEN N' MEAN

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KZ1000J or GPz1100 engine into 750 frame ? 07 Mar 2012 20:33 #508398

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Hmmm,obviously his idea of a good running engine differs from mine. I'm sure it ran great before it was dumped and smashed the ignition off and broke the engine castings :(

Oh well, guess the hunt continues.
83 KZ750L X2 + goodies = Project
84 KZ750L the mini ELR replica replica lol
84 ZX750E Turbo modded n' FAAAAASSSSSSTTTTT
85 GPz900r GREEN N' MEAN
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KZ1000J or GPz1100 engine into 750 frame ? 20 Apr 2012 15:06 #516916

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Ok yall.....I need some help. I have a 78 kz650 motorcycle, that I have put a 76' kz900 into. Ive got it all in there but I cant get any spark. I was wandering if anyone could help me out. Ive got power to the coils, but no spark? Also, the harness from the kz900 engine has 3 wires coing from the stator where the 650 harness on the bike has only 2. I was wandering how to hook these up. Any help would be greatly appreciated thanks
1978 Kawasaki KZ650



Work hard, Play harder

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KZ1000J or GPz1100 engine into 750 frame ? 20 Apr 2012 16:31 #516942

  • mark1122
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oldskoolatheart wrote: Ok yall.....I need some help. I have a 78 kz650 motorcycle, that I have put a 76' kz900 into. Ive got it all in there but I cant get any spark. I was wandering if anyone could help me out. Ive got power to the coils, but no spark? Also, the harness from the kz900 engine has 3 wires coing from the stator where the 650 harness on the bike has only 2. I was wandering how to hook these up. Any help would be greatly appreciated thanks


u will get more help if u do a separate post in the electrical section. there r a few gurus here but they wont see your post burried here.
;)
76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.

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~ (k) / (z)

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KZ1000J or GPz1100 engine into 750 frame ? 21 Apr 2012 11:13 #517084

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Ok thanks.
1978 Kawasaki KZ650



Work hard, Play harder

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