Author Topic: 1980 Kawasaki Z1000ST  (Read 1031 times)

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Offline Mark K

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1980 Kawasaki Z1000ST
« on: August 15, 2022, 08:08:23 AM »
Recently found '80 Kawasaki Z1000 ST for sale (or is it a KZ1000, don't know how it was marketed?).  I've done a little research and it appears this Kawasaki model was only made in '79 & '80.

I don't have a picture I can post. It's not running, looks mostly complete except for a seat (from the pictures I've seen) and the guy selling it says the engine is not seized. It does look like it's been sitting out in the weather for quite awhile.

Would this be a good project to tackle? He's asking $300 neg.

Thanks.
Current bikes
'73 Honda CB750K3 (current project), '19 Kawasaki KLX 140G, '72 Honda CL70K3, '70 Honda SL350 (next project)

Former bikes
'74 Yamaha 60, '72 Maico 250, '74 Kawasaki 250 S1, '82 Kawasaki KZ550, '84 Honda VF700F Interceptor, '99 HD FLSTS Heritage Springer, '97 HD FLHTCUI Ultra Classic '05 HD FLHT Electraglide, '9? Buell Lightning, '03 FLHTCUI Ultra Classic,'14 Honda CRF250L

Offline BenelliSEI

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Re: 1980 Kawasaki Z1000ST
« Reply #1 on: August 15, 2022, 09:41:21 AM »
Looks like this? A stuck motor is worth $300 IMO.

Offline Kelly E

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Re: 1980 Kawasaki Z1000ST
« Reply #2 on: August 15, 2022, 10:43:23 AM »
Last year we sold this 75' Z1-B with a seized motor that had sat out for years for $3950.00. It was more than we wanted to tackle and I was pretty sure then that I was going to get the 77' KZ1000 LTD.
$300 is a great price and there's tons of parts available.
Never Give Up - Never Surrender

The Rust Bros. Garage Collection
1974 Honda CB 550 K0                                            1971 MGB/GT
1975 Honda CB 400F Super Sport                          1972 MGB/GT
1977 Kawasaki KZ 1000 LTD                                   1985 GMC S15
1978 Kawasaki KL 250
1980 Suzuki GS 1100E
1982 Honda CB 900F Super Sport
1983 Honda CB 1100F
1984 Honda VF 700S Sabre
1984 Honda VF 1000F Interceptor
1990 Moto Guzzi 1000 Le Mans
1994 Kawasaki Concours ZG 1000A9
2005 Harley Davidson Fat Boy

Offline seanbarney41

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Re: 1980 Kawasaki Z1000ST
« Reply #3 on: August 15, 2022, 12:43:51 PM »
...but the ST is not the same as a Z1, KZ1000, etc.  It is shaft drive.  Otherwise same engine.  All other parts not interchangeable.  Tank, side panels, seat may look similar to KZ1000 Mark II, which is a very rare and sought after model.  So about the ST...not much collector demand for these, and I don't know about you, but I never liked shaft drive much.  But hey, if it floats your boat, Kawasaki builds solid stuff.
If it works good, it looks good...

Offline Kelly E

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Re: 1980 Kawasaki Z1000ST
« Reply #4 on: August 15, 2022, 01:46:59 PM »
Early Japanese shaft drive bikes don't work as well as the later bikes. When Honda came out with the V4 bikes they solved the shaft drive torque issue by using a longer swingarm. The extra length gave the leverage needed to resist the torque rise and fall. I haven't ridden an early Kawasaki shaft drive bike but if it is anything like the Yamaha XS1100's it is a pretty dramatic. The early shaft drive bikes don't like sporty riding but work fine as cruisers. My 94' Kawasaki ZG 1000 Concours is a shaft drive bike and is very similar to the Honda V4 bikes with a long swingarm which makes room for the mono-shock set up. It thinks it's a Ninja. 8) I bet that Kawasaki used the same forks, brakes and some other stuff used on other models.
Never Give Up - Never Surrender

The Rust Bros. Garage Collection
1974 Honda CB 550 K0                                            1971 MGB/GT
1975 Honda CB 400F Super Sport                          1972 MGB/GT
1977 Kawasaki KZ 1000 LTD                                   1985 GMC S15
1978 Kawasaki KL 250
1980 Suzuki GS 1100E
1982 Honda CB 900F Super Sport
1983 Honda CB 1100F
1984 Honda VF 700S Sabre
1984 Honda VF 1000F Interceptor
1990 Moto Guzzi 1000 Le Mans
1994 Kawasaki Concours ZG 1000A9
2005 Harley Davidson Fat Boy

Offline Mark K

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Re: 1980 Kawasaki Z1000ST
« Reply #5 on: August 16, 2022, 02:44:58 PM »
Got some pictures, and it doesn't look anywhere close to the bike pictures y'all posted. It's in pretty rough shape. I'm currently in the middle of rebuilding a '73 CB750 and debating about buying another project for the future.

Does it look to rough to tackle? Could I recoup my money by parting it out, if I couldn't get it running or ends up being too costly to bring back to life?

I appreciate all of your opinions, as my experience is at the novice level.

Thanks.
« Last Edit: August 16, 2022, 02:51:06 PM by Mark K »
Current bikes
'73 Honda CB750K3 (current project), '19 Kawasaki KLX 140G, '72 Honda CL70K3, '70 Honda SL350 (next project)

Former bikes
'74 Yamaha 60, '72 Maico 250, '74 Kawasaki 250 S1, '82 Kawasaki KZ550, '84 Honda VF700F Interceptor, '99 HD FLSTS Heritage Springer, '97 HD FLHTCUI Ultra Classic '05 HD FLHT Electraglide, '9? Buell Lightning, '03 FLHTCUI Ultra Classic,'14 Honda CRF250L

Offline MauiK3

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Re: 1980 Kawasaki Z1000ST
« Reply #6 on: August 16, 2022, 02:53:59 PM »
That one could take a lot of work and $$
1973 CB 750 K3
10/72 build Z1 Kawasaki

Offline ekpent

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Re: 1980 Kawasaki Z1000ST
« Reply #7 on: August 17, 2022, 05:53:17 AM »
By the looks of all the other junk around there it looks like its been living outdoors for a long time. With those pods filters the carbs are probably shot and bet there is water in the engine. Surprised the engine still rolls over. If it was a two year only bike certain parts might be hard to find.  Looks like a challenge.

Offline dragracer

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Re: 1980 Kawasaki Z1000ST
« Reply #8 on: August 17, 2022, 08:57:05 AM »
If its an original motor, the cases are worth $300. The crank would bring $250 if it's the original 16 tooth center.

Offline Mark K

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Re: 1980 Kawasaki Z1000ST
« Reply #9 on: August 17, 2022, 09:55:29 AM »
Thanks for all the replies and the great advice. I'm gonna pass on this bike, I've got to get the CB750 finished I've been working on before I tackle something like this Kawasaki. If anyone is interested in the bike, I can pass along the frame VIN, engine serial number and contact information. He was asking $300neg.
Current bikes
'73 Honda CB750K3 (current project), '19 Kawasaki KLX 140G, '72 Honda CL70K3, '70 Honda SL350 (next project)

Former bikes
'74 Yamaha 60, '72 Maico 250, '74 Kawasaki 250 S1, '82 Kawasaki KZ550, '84 Honda VF700F Interceptor, '99 HD FLSTS Heritage Springer, '97 HD FLHTCUI Ultra Classic '05 HD FLHT Electraglide, '9? Buell Lightning, '03 FLHTCUI Ultra Classic,'14 Honda CRF250L