KZR's Bikes of the Month for 2024

1975 KZ400D - restore project

  • Scirocco
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03 Sep 2018 14:35 #790245 by Scirocco
Replied by Scirocco on topic 1975 KZ400D - restore project
Hello Jack_Mills
Remove the rotor and check the starter clutch parts and do a better cleaning inside the engine case.
A lot of junk and rust parts are left and will destroy the oil pump, bearings and other engine parts.
Not only Show and shine outside. The inside of an engine is more important to do a perfect rebuilt IMO.
The broken starter chain was the beginning of more Problems to come for.....

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03 Sep 2018 15:04 #790250 by Nebr_Rex
Replied by Nebr_Rex on topic 1975 KZ400D - restore project
Nice looking bike. To bad the mechanics couldn't of been gone thru before all the aesthetics.
But that seems to be typical for today. People watching the tv thinking that's the way to go.
Pretty will not get you home.


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2002 ZRX1200R
81 GPz1100
79 KZ1000st daily ride
79 KZ1000mk2 prodject
78 KZ650sr
78 KZ650b
81 KZ750e
80 KZ750ltd
77 KZ400/440 cafe project
76 KZ400/440 Fuel Injected

www.dotheton.com/forum/index.php?topic=39120.0


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03 Sep 2018 16:08 #790255 by Jack_Mills
Replied by Jack_Mills on topic 1975 KZ400D - restore project
I did address the starter chain issue months ago. The chain was within specs (although at the very edge of too loose). The problem is solved with a 24$ nos part. Lucky for me, no other damage happened.

I came here referred by a friend, because of the reputation of the old timers and Kawi bike guru's knowledge who have posted here over the years. Ive donated to the site, Paypal'd others for info and help. Maybe Rex should take some of his own advice and stop assuming before he makes another negative post. If you dont like what you see, you can just scroll to the next thread.

74 kz400 D1
75 kz400 D2
75 kz400 D2
75 kz400 D2
76 kz400 D3
76 kz400 D3
77 kz400 A1
78 kz400 B1
80 xl80s
81 kz440 B2
81 GL1100
81 xl80s
81 xr80
96 K1100LT
18 HAWK250
Thanks goes out to all folks who share their great knowledge teaching others about classic metric motorcycles.

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03 Sep 2018 16:09 #790256 by Jack_Mills
Replied by Jack_Mills on topic 1975 KZ400D - restore project
Here are a few more pics of the white pin stripes on the parts.

74 kz400 D1
75 kz400 D2
75 kz400 D2
75 kz400 D2
76 kz400 D3
76 kz400 D3
77 kz400 A1
78 kz400 B1
80 xl80s
81 kz440 B2
81 GL1100
81 xl80s
81 xr80
96 K1100LT
18 HAWK250
Thanks goes out to all folks who share their great knowledge teaching others about classic metric motorcycles.
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03 Sep 2018 17:16 #790263 by Scirocco
Replied by Scirocco on topic 1975 KZ400D - restore project
Sorry Jack_Mills but you last post makes me speechless.
Constructive criticism is like a kind of advise and not to blame you or your work you have done.
I was expecting an more positive answer, like "yes you are right....."

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04 Sep 2018 21:55 #790349 by loudhvx
Replied by loudhvx on topic 1975 KZ400D - restore project
That area of the motor gets a little motor oil because the starter clutch needs it. It's not a lot, but mostly splash through that lower opening under the crank. If that rust starts contaminating the oil it can start to shorten the life of the motor. Nobody wants to see you have to replace bearings and rings.

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18 Sep 2018 11:32 #791091 by Jack_Mills
Replied by Jack_Mills on topic 1975 KZ400D - restore project
Moving forward, disregarding rude projecting people thinking down on others. I am not retarded.

So Ive fixed the starter chain, and the paint is finally done. Started her up yesterday for the first time in 18 years or so. Super excited, and very proud of this little 400 project. Got the carbs tuned in and its purring like a cat. Very happy with it, and we're almost done! Im heading to the shop now to put the saddlebags and front fairing on.

74 kz400 D1
75 kz400 D2
75 kz400 D2
75 kz400 D2
76 kz400 D3
76 kz400 D3
77 kz400 A1
78 kz400 B1
80 xl80s
81 kz440 B2
81 GL1100
81 xl80s
81 xr80
96 K1100LT
18 HAWK250
Thanks goes out to all folks who share their great knowledge teaching others about classic metric motorcycles.
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The following user(s) said Thank You: Nebr_Rex

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18 Sep 2018 18:22 #791111 by Jack_Mills
Replied by Jack_Mills on topic 1975 KZ400D - restore project
Got some more stuff completed today. It should be finished tomorrow. Going to take her out Friday to a show, cant wait to ride!

74 kz400 D1
75 kz400 D2
75 kz400 D2
75 kz400 D2
76 kz400 D3
76 kz400 D3
77 kz400 A1
78 kz400 B1
80 xl80s
81 kz440 B2
81 GL1100
81 xl80s
81 xr80
96 K1100LT
18 HAWK250
Thanks goes out to all folks who share their great knowledge teaching others about classic metric motorcycles.
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18 Sep 2018 21:22 #791117 by azman857
Replied by azman857 on topic 1975 KZ400D - restore project
That's one sharp looking 400 you got there. Good work.

I don't have a plan and I'm sticken' to it! '77 KZ 650 / 750 GPz custom project in progress

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21 Sep 2018 05:01 #791180 by Jack_Mills
Replied by Jack_Mills on topic 1975 KZ400D - restore project
So I was having some problems with my points, and did some searching here, found a thread about Charlies out in Cali. He set me up with an electronic Ignition. I did see that the 81-83 kz440s had a decent EI also. I spoke w the guys at Z1 and they also suggested Charlies. A bit on the expensive side, but what isnt on these old metric bikes. Should have it installed today, and riding tonight!

74 kz400 D1
75 kz400 D2
75 kz400 D2
75 kz400 D2
76 kz400 D3
76 kz400 D3
77 kz400 A1
78 kz400 B1
80 xl80s
81 kz440 B2
81 GL1100
81 xl80s
81 xr80
96 K1100LT
18 HAWK250
Thanks goes out to all folks who share their great knowledge teaching others about classic metric motorcycles.
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21 Sep 2018 08:37 #791192 by KZErider
Replied by KZErider on topic 1975 KZ400D - restore project
What have you decided about the lids for the bags?

81 KZ750E2(project), 81 KZ750E2(parts donor), 87 BMW K 75C - got it runnin, didn't care for it, holding for family member, 79 CB650(project) Nomad 1700, VStar 950

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22 Sep 2018 10:32 #791238 by Jack_Mills
Replied by Jack_Mills on topic 1975 KZ400D - restore project
Had the bike out for a bit today, shes running great! Speedo is acting up, I kinda figured Id have some issues (gear in front wheel was pretty worn) - other than that I am very happy with it. Got a lot of compliments. Lots of guys said "My first bike was a z400" They couldnt get over the "chips" faring n bags on such a small bike. Most didnt know about the 77 A1/78A2. Its a bit loud but we figured that. It really is running strong. I want to extend my sincere thanks to everyone who has offered advice, help and comments to help this dream of restoring this bike become reality. Much appreciated.

One thing that is still bugging me is the flashing brake stop light on the tach from putting LED 1157 bulb in tail light. Ive tried a few things that were mentioned here but nothing seems to get it to stop flashing. If anyone has any more input about it, I would be thankful for that. If I cant figure it out, Ill prob just run a new circuit.

Thanks again everyone!

74 kz400 D1
75 kz400 D2
75 kz400 D2
75 kz400 D2
76 kz400 D3
76 kz400 D3
77 kz400 A1
78 kz400 B1
80 xl80s
81 kz440 B2
81 GL1100
81 xl80s
81 xr80
96 K1100LT
18 HAWK250
Thanks goes out to all folks who share their great knowledge teaching others about classic metric motorcycles.
Attachments:

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