My 73 Z1 all done

  • Robb2018
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01 Oct 2021 14:10 - 01 Oct 2021 14:29 #856022 by Robb2018
My 73 Z1 all done was created by Robb2018
Well, I finished the Z1 this week, struggled through several problems, some real some phantoms (imagined lack of oil flow to the head).  A couple things, if you all remember, I bought this bike from a widow whose husband was supposedly a Harley mechanic and had been restoring it.  I could see he had been inside the motor but didn't know to what extent, which was the source of some anxiety.  I proceeded with caution with this project and when I bumped up against something I wasn't sure about I tossed it out to you guys to help make sense of it.  (Cam chain installation comes to mind)  It's tough picking up a project where someone else left off, not knowing exactly what they'd done so far and even more so, was what they did do done right?  So all in all, I think this deceased old Harley mechanic did know what he was doing. I suspect he may have done a full rebuild on the motor, although I have no way of knowing for sure but a few little things make me believe he had the case opened.  But I've got about 20 miles on the bike now so far and it runs great, very quiet, shifts smooth and accelerates the way I remember my buddy's did back in 1975 when he let me ride his... a day I'll never forget because it started a life long love of old Kaws, especially Z1s.  So anyway... here she is.

KZ900; Z1
Last edit: 01 Oct 2021 14:29 by Robb2018.
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01 Oct 2021 14:36 #856023 by TexasKZ
Replied by TexasKZ on topic My 73 Z1 all done
Beautiful

1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough
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01 Oct 2021 14:38 #856024 by krazee1
Replied by krazee1 on topic My 73 Z1 all done
Very Nice!

Mike

Former M.E. at Kawasaki Motors Manufacturing, Lincoln, NE
1966 W1 (the Z1 of 1966-50H.P. and 100mph!)
1974 Z1
1978 KZ1000 LTD
1976 KZ900B pile O parts
1980 KZ750E
1980 Honda XL250S (I know, wrong flavor!)
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01 Oct 2021 15:04 #856025 by Mikaw
Replied by Mikaw on topic My 73 Z1 all done
Good to see the orange only where it should be… Saweeeeet!

1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.
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01 Oct 2021 15:54 #856029 by 750 R1
Replied by 750 R1 on topic My 73 Z1 all done
Perfect...!
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01 Oct 2021 16:49 #856030 by 650ed
Replied by 650ed on topic My 73 Z1 all done
WOW!  Very, very nice!   Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
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  • texasfisherdude
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01 Oct 2021 17:35 #856033 by texasfisherdude
Replied by texasfisherdude on topic My 73 Z1 all done
Nice

Life's to short to drink cheap beer
1980 LTD 1000
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  • hardrockminer
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01 Oct 2021 19:46 #856038 by hardrockminer
Replied by hardrockminer on topic My 73 Z1 all done
It looks really nice! 

I saw a couple of things you may want to do.  First, the swingarm bolt goes from right to left.  The nut should be on the left side.  Second, there should be two cable ties on each side of the bars.  

I have several restored bikes along with a 2006 Goldwing with a sidecar. My wife has a 2019 Suzuki DR 650 for on and off road.
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  • Robb2018
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02 Oct 2021 05:33 - 02 Oct 2021 05:33 #856046 by Robb2018
Replied by Robb2018 on topic My 73 Z1 all done
Thanks for mentioning that.  I'll switch it around next chance I get.  Also ordering handlebar ties today.  Nothing cheapens a bike up more than tie wraps. 

Does the rear wheel need to be removed to pull the swingarm bolt or could I just support it with  jack while i remove it?

KZ900; Z1
Last edit: 02 Oct 2021 05:33 by Robb2018.

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02 Oct 2021 05:47 - 02 Oct 2021 05:48 #856047 by Robb2018
Replied by Robb2018 on topic My 73 Z1 all done
Here's the before picture.  The PO had actually laid down a half way decent paint job, using a very rough approximation of root beer brown, probably not even color scanned but picked off a color chart.  Then the orange pattern was also a very rough approximation of the stock paint job, with the two sides not even meeting up behind the filler cap on top.  But he made up for the missing orange on the tank by painting all the engine side covers and cam cover orange and painting every bit of scratched or rusted chrome black. The guy definitely was a bit weak on the cosmetics.  I shouldn't make fun though. If he planned on keeping the bike then all that should have mattered was whether he liked it or not. 

KZ900; Z1
Last edit: 02 Oct 2021 05:48 by Robb2018.

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  • hardrockminer
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02 Oct 2021 06:07 #856049 by hardrockminer
Replied by hardrockminer on topic My 73 Z1 all done
Wow!  What a difference you've made!  That old stator cover looks terrible!

No need to remove anything to change the swingarm bolt.  When you pull it out simply put a similar bolt, like a front axle bolt or even a cheater bar in place to hold it while you withdraw the bolt.  

Those bars appear to have a higher rise than stock bars.  Is it just the way the photos were taken?  I agree on the ty-wraps.  Partzilla sells OEM wraps identical to the originals.  Kawasaki used short ones on the bars.

I have several restored bikes along with a 2006 Goldwing with a sidecar. My wife has a 2019 Suzuki DR 650 for on and off road.

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  • slmjim+Z1BEBE
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02 Oct 2021 07:07 #856058 by slmjim+Z1BEBE
Replied by slmjim+Z1BEBE on topic My 73 Z1 all done
Love seeing another one brought back.  Looks like you did a a good job.  Ride with pride!

Good Ridin'
slmjim & Z1BEBE

A biker looks at your engine and chrome.
A Rider looks at your odometer and tags.

1973 ('72 builds) Z1 x2
1974 Z1-A x2
1975 Z1-B x2
1993 CB 750 Nighthawk x2
2009 ST1300A

www.kawasaki-z-classik.com
An enthusiast's forum focused exclusively
on all things Z1, Z2 and KZ900.

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