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TOPIC: Complete but dissasymbled 1974 Z1900 engine

Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 09:03 #814703

  • Mikaw
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Need some quick advise. I located a '74 ZI900 engine. Its complete but disassembled. The asking price is $500 local pick up. Is it worth it. I've seen carbrs and head's minus cams at total more than the asking price. I'm looking for a '76 KZ900 for my LTD, but so far only find empty cases. Would it be a good investment to buy the complete engine and use it to assemble the empty cases? I could also rebuild the Z1 engine and sell it off running what would the value of that be?
1976 KZ 900 A4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

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Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 09:22 #814704

  • Rick H.
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It doesn't sound like your target is a '74 900 CC motor, but only you know that. While the price "sounds" good, there has to be a reason it was taken apart. No one that I know would take a perfectly good motor apart just to say, "There I took it apart". Why was it taken apart? Take a real good look at the components and try to figure out what it is going to need. Carefully measure important items. You could conceivably drop a couple of thousand dollars into that motor at the drop of a hat and then you may not have what you really want. My suggestion would be to find what you really want and don't worry about building something to try and make money from. Unless of course you are independently wealthy and can afford such an endeavor.
Rick H.
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Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 09:24 #814705

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Shipping a mc motor is fairly spendy, and just wrapping in bubble wrap isnt the answer. Parts is parts until they run. And are only worth what you will pay for, ebay is always a tough decision
76 kz 900 1075 76 kz 900 a4 78 kz 1000 ltd

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Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 10:11 #814708

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>>> "Need some quick advise. I located a '74 ZI900 engine. Its complete but disassembled. The asking price is $500 local pick up. Is it worth it. I've seen carbs and head's minus cams at total more than the asking price. I'm looking for a '76 KZ900 for my LTD, but so far only find empty cases. Would it be a good investment to buy the complete engine and use it to assemble the empty cases? I could also rebuild the Z1 engine and sell it off running what would the value of that be? "

$500 is a good deal for an engine, as others mentioned it was disassembled for a reason, ie it needs something, best to go get it, shipping is expensive.
What happened to your engine ?

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Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 10:22 #814709

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73z1 wrote: $500 is a good deal for an engine, as others mentioned it was disassembled for a reason, ie it needs something, best to go get it, shipping is expensive.
What happened to your engine ?


I'm hoping to hear for the experts here that the sum of the parts are worth the $500 asking price. I understand the risk of the unknown hidden damage but if you had the opportunity to pick up a complete unassembled '74 Z1900 engine how many of you would turn it down.

73z1- life happened to my original '76 engine. I was young and they were cheap and abundant 25 years ago. so I pulled it, it had a bad oil ring in one cylinder. Well then life happened and I was forced to sell the house and had to prioritize they items I needed to take with me... unfortunately the engine and related parts were low on the list. Again because then they were cheap...
1976 KZ 900 A4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

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Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 10:27 #814710

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... "Well then life happened and I was forced to sell the house and had to prioritize they items I needed to take with me... unfortunately the engine and related parts were low on the list."

You took the bike with you and left the engine behind with the house ?
Can you return to the house ? Buy the engine back.
Do you have another engine ?

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Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 10:40 #814712

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The bike was stored in a different garage, I took the engine to my garage. It was set up to work on cars. Back in the day I ran with the 1/4 and 1/2 mile asphalt circle track crowd. The engine is gone with the wind! I have a 78KZ1000 running engine but its not the right year 0r CC for the '76 KZ900LTD
1976 KZ 900 A4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

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Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 10:52 #814713

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>>> " The engine is gone with the wind!"
The engine did not blow away in the wind. It would take 1000 mph wind to blow a Kaw engine away!
Return to your old house and buy the engine, if house owner sold it follow the trail and buy the engine back.

>>> " I have a 78KZ1000 running engine but its not the right year 0r CC for the '76 KZ900LTD "
All you need is a set of 76 cases (which I have) and a 900cc cylinder and you have a 76 engine, however above ^^^^ is better.

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Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 14:03 #814717

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Id rather not tear down a running engine for parts. Will the '74 parts fit in the '76 lower cases? Would give me the opportunity to get the '76 cases cleaned up and do a side by side swap form the '74 to '76. the '74 lower is completely assembled. It has the barrels head and carbs removed. pistons are still on the con rods.
1976 KZ 900 A4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

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Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 14:40 #814722

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Yes they will.
Steve
Z1b1000 1975 Z1b
Opinions expressed by me do not reflect those of the the staff or members
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
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Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 16:41 #814729

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If it were near me I would buy it. If you're planning to rebuild your '76 engine from the cases up you're going to need all those parts anyway.

There were minor changes in the cases from year to year but all of the '74 parts will fit '76 cases. You could probably sell the '74 cases on ebay for $500. They would be of interest to anyone who has a frame within 250 (numbers) of your engine.
I have a couple of Z1B's restored, an '80 KZ1000LTD restored, a 1981 KZ550 restored and a 2008 KLR 650 for off road fun. My wife has a 2019 Suzuki DR 650 for on and off road.

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Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 17:08 #814732

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hardrockminer wrote: If it were near me I would buy it. If you're planning to rebuild your '76 engine from the cases up you're going to need all those parts anyway.

There were minor changes in the cases from year to year but all of the '74 parts will fit '76 cases. You could probably sell the '74 cases on ebay for $500. They would be of interest to anyone who has a frame within 250 (numbers) of your engine.


Thank you. I first wanted to make sure the part were interchangeable. Then I figured it would be worth the money. Taking a ride out tomorrow to check it over,
1976 KZ 900 A4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

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Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 17:09 #814733

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SWest wrote: Yes they will.
Steve


Thank you Steve
1976 KZ 900 A4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

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Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 18:17 #814735

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It looks like Z1 cylinder heads sell for around $200 to $350 on eBay. If the head is in good shape you should be able to get most of your $500 back, if you can deal with eBay. I'd go for it (and have).

And speaking that, I have a parts engine that is either a 75 or 76. And I have a 74 Z1 that needs some new cases. I'm out of town until Monday, but if the numbers match maybe we can work something out.
'78 Z1-R in blue, '78 Z1-R in black, '78 Z1-R in pieces
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Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 18:42 #814736

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Pictures? How far disassembled? How far (miles) from You?
Livin in "CheektaVegas, NY
Still have a Kaw! 76 KZ900 Pro-Street.
Went thru 25 of these in 40 yrs.

And The Old Girl, Harley 75 FLH Electra Glide,
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Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 19:20 #814740

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Ill post pics tomorrow after is home safe in my hands... not afraid of members but concerned about guest.
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1978 KZ 1000 B2 LTD
Kowledge Speaks, But Wisdom Listens.
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Complete but dissasymbled 1974 Z1900 engine 29 Nov 2019 19:22 #814741

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DOHC wrote: It looks like Z1 cylinder heads sell for around $200 to $350 on eBay. If the head is in good shape you should be able to get most of your $500 back, if you can deal with eBay. I'd go for it (and have).

And speaking that, I have a parts engine that is either a 75 or 76. And I have a 74 Z1 that needs some new cases. I'm out of town until Monday, but if the numbers match maybe we can work something out.


I'm always open to paying it forward to help fellow members
1976 KZ 900 A4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
Kowledge Speaks, But Wisdom Listens.
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Complete but dissasymbled 1974 Z1900 engine 30 Nov 2019 05:35 #814751

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Mikaw wrote: Ill post pics tomorrow after is home safe in my hands... not afraid of members but concerned about guest.


I think he was talking about the 300+ guests lurking on line. I'm always hidden. I find it interesting when new members chose to be hidden and not know I can see them but they can't see me. :lol:
Steve
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Opinions expressed by me do not reflect those of the the staff or members
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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Complete but dissasymbled 1974 Z1900 engine 30 Nov 2019 06:59 #814757

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Rick H. wrote: ... While the price "sounds" good, there has to be a reason it was taken apart. No one that I know would take a perfectly good motor apart just to say, "There I took it apart". Why was it taken apart? Take a real good look at the components and try to figure out what it is going to need. Carefully measure important items. ...Rick H.

^Good advice.^

Basket cases, be they carb racks, motors or entire bikes become so for any number of reasons; life gets in the way, money, or Bubba ("There I took it apart"...) is overwhelmed by the prospect of reassembly, something much more difficult than "tearing it apart" :dry: .

There's an area of possible damage to look for on empty cases if diligence wasn't used during disassembly.

A case bolt is hidden under the starter; it can't be seen unless the starter is removed. If the two bolts used to split the cases are tightened in an attempt to split the cases without removing said bolt, a crack will occur where the drive (input ) shaft bushing rests in the upper case. This is the machined hole in the upper case where the drive shaft's bushing (opposite end from the clutch) is located by the pin pressed into the hole. The crack will be located parallel to the drive shaft, and will intersect the locator pin on both sides. See below for the location to examine. (This case is not cracked.)


The crack will appear as a hairline defect in the otherwise-smooth machined surface, extending on both sides of the pin. Examine this area carefully in good light. Wear your specs if you need them.

If the crack goes unnoticed, the motor will assemble & run fine but, there will be slow leak/weep of motor oil that can be difficult to locate, as it might seem to spring out of nowhere.

A significant fraction of cases we've seen at swap meets & otherwise for sale over the decades exhibit this damage. Caveat emptor. We've never had to attempt a repair of a case cracked in this location. Other members might be able to offer advice.

Good Ridin'
slmjim & Z1BEBE
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Complete but dissasymbled 1974 Z1900 engine 30 Nov 2019 08:41 #814763

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Here is a better photo of that crack. As slmjim says, it develops when the top case bolts are not all removed and someone tries to split the cases. It was on the engine in my blue Z1B. It's behind the transmission case so only visible when that case is removed. In this case it went all the way through. I coated the inside with Kawabond to ensure no oil leakage. So far so good.

By coincidence I saw this today. It's a complete NOS '76 engine.

sfbay.craigslist.org/sfc/mpo/d/morongo-v...1-kz/7028305957.html

I have a couple of Z1B's restored, an '80 KZ1000LTD restored, a 1981 KZ550 restored and a 2008 KLR 650 for off road fun. My wife has a 2019 Suzuki DR 650 for on and off road.
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