KZ1000 motor in a KZ650???...

  • chiefgto
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30 Jul 2008 10:56 #229157 by chiefgto
KZ1000 motor in a KZ650???... was created by chiefgto
I've got a line on a 1980 LTD1000 for cheap$$$. I'm wondering if the motor from that bike will fit into my spare '79 KZ650 frame. Are the two frames really that dimensionally different?
1979 LTD1000 B3 Chassis.
1980 LTD1000 Engine.
MTC 1075 10.5-1 pistons, 3 angle valve job with mild port and polish. V&H 4 into 1 pipe. Mikuni BS34 Carbs. Dyna 2000 ignition.

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30 Jul 2008 11:14 #229160 by steell
Replied by steell on topic KZ1000 motor in a KZ650???...
It will fit, but it's not a bolt in.

It's been done a few times, and discussed a bunch of times, a search should lead you to threads with pics.
KD9JUR

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31 Jul 2008 06:12 - 31 Jul 2008 06:12 #229319 by Bluemeanie
Replied by Bluemeanie on topic KZ1000 motor in a KZ650???...
Will take some major work, frame mods, reinforcement, etc. It can and has been done. Such as below...

640
1980 KZ650F1, Bought new out the door for $2,162.98!
Attachments:
Last edit: 31 Jul 2008 06:12 by Bluemeanie.

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  • Mcdroid
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31 Jul 2008 10:00 #229367 by Mcdroid
Replied by Mcdroid on topic KZ1000 motor in a KZ650???...
I also seem to recall that in order to adjust the valves, the motor must be pulled (as the valve cover is too tight a squeeze)...does that ring a bell for anyone?
Michael
Victoria, Texas

1982 GPz750
1977 KZ1000A
1978 KZ1000A
1982 GPz1100
1975 Z2A

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31 Jul 2008 11:05 #229380 by steell
Replied by steell on topic KZ1000 motor in a KZ650???...
There was one 650 with a 1000 motor in it that the owner claimed he could remove the cam cover in the frame. He said he made special motor mounts and maybe some other stuff to drop the motor lower in the frame.

That was a long time ago though (maybe 3 years or so).
KD9JUR

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31 Jul 2008 11:51 #229388 by Old Man Rock
Replied by Old Man Rock on topic KZ1000 motor in a KZ650???...
Bluemeanie.... Nice!!!! Very clean...

Is this the result of your work?
If so, sweet, excellente~...

OMR
1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az

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31 Jul 2008 12:56 #229407 by mtkawboy
Replied by mtkawboy on topic KZ1000 motor in a KZ650???...
What do you do the search on, I cant find much ?
78-KZ1000/1105, 80 KZ1000, 82 Kawasaki GPZ750, 95 Harley Fatboy, 80 Suzuki GS1100ET, 81 GS1100E parts bike, 83 GS1100SD Katana/1394,78 Yamaha XT500, 81 Yamaha XS650, 78 Yamaha XS650E, 48 Whizzer model J motorbike, 71 Honda CT70H, 71 Honda CT70, 81 IT 250 Yamaha,82 Honda XL100S owned

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31 Jul 2008 14:32 #229419 by steell
Replied by steell on topic KZ1000 motor in a KZ650???...
mtkawboy wrote:

What do you do the search on, I cant find much ?


I just searched for 650 1000 frame and found the following.

Here's one


And another

And another

And another

There are more (especially in the archived site) but I quit.

And they all say pretty much the same thing, just like this one will :D
KD9JUR

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31 Jul 2008 19:04 #229470 by mtkawboy
Replied by mtkawboy on topic KZ1000 motor in a KZ650???...
Thanks, I had "engine" in there too is why I guess I didnt find much. Doesnt sound like all that great of an idea now with the weak frame. I already have a GPZ750. I do like the FJ motored one, but Im a Kaw guy. I think I might put the 1000J motor in the Z1 I have with the incorrect 77 1000 motor thats kind of worn out. Am I going to run into any major stuff doing that ?
78-KZ1000/1105, 80 KZ1000, 82 Kawasaki GPZ750, 95 Harley Fatboy, 80 Suzuki GS1100ET, 81 GS1100E parts bike, 83 GS1100SD Katana/1394,78 Yamaha XT500, 81 Yamaha XS650, 78 Yamaha XS650E, 48 Whizzer model J motorbike, 71 Honda CT70H, 71 Honda CT70, 81 IT 250 Yamaha,82 Honda XL100S owned

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01 Aug 2008 06:07 #229522 by Bluemeanie
Replied by Bluemeanie on topic KZ1000 motor in a KZ650???...
Old Man Rock wrote:

Bluemeanie.... Nice!!!! Very clean...

Is this the result of your work?
If so, sweet, excellente~...

OMR


Naw... a pic I've had in my folder from a similer topic a couple years ago. Don't know where the pic came from. But yes, very sweet bike and would look great with some little "KZ550" emblems! Talk about kicking some a** at the local burger joint! Kids nowadays would never know the difference...:)
1980 KZ650F1, Bought new out the door for $2,162.98!

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  • chiefgto
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04 Aug 2008 10:23 #230112 by chiefgto
Replied by chiefgto on topic KZ1000 motor in a KZ650???...
Thank you for your help guys, sounds like it would be easier to try and title the 1000's frame.
1979 LTD1000 B3 Chassis.
1980 LTD1000 Engine.
MTC 1075 10.5-1 pistons, 3 angle valve job with mild port and polish. V&H 4 into 1 pipe. Mikuni BS34 Carbs. Dyna 2000 ignition.

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