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Author Topic: 1975 CB400f (First bike build)  (Read 10627 times)

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Offline Shade Tree

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1975 CB400f (First bike build)
« on: February 01, 2012, 10:52:17 AM »
Just bought 75' Cb400f. Totally in love with it from the start. The guy rolls it out from the garage, I walk over to it and put my hand on the engine just to check for heat. I have had that happen to me before, where they have already warmed the bike. So after I was happy he kicks it twice and it starts right away. Smiles all around. I love the sound of the Kerker exhaust. It was dark in my small apartment garage when I got it home but I'll try to post some pics.  ;D
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"Four wheels move the body,
Two wheels move the soul."
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Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #1 on: February 01, 2012, 11:04:14 AM »
Here they are. Keep in mind this is a iphone cam... All I have for right now.
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #2 on: February 01, 2012, 11:05:43 AM »
Dumb question but Is there anyway to post many picture at once.. It keep saying file too large.. I cropped everyone down until they were all <1mb..
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #3 on: February 01, 2012, 11:10:48 AM »
Sorry for one pic at a time guy, Not sure how to change it..
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #4 on: February 01, 2012, 11:13:21 AM »
Left-side.... I really hate spray paint jobs..
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

  • 1974 CB750
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Re: 1975 CB400f (First bike build)
« Reply #5 on: February 01, 2012, 11:15:49 AM »
Supposedly, New chain and sprockets. If so they are filthy..
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #6 on: February 01, 2012, 11:18:05 AM »
Right-side, You can see more grime, rusty shocks but drum's not too terrible...
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #7 on: February 01, 2012, 11:20:02 AM »
I think this is one of my favorite parts... Although for sure going off to the local coating shop to get cleaned and refinished..
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #8 on: February 01, 2012, 11:22:09 AM »
From this angle you can see a weepy gasket, dirt and grime on case and carbs, some rust and of course... more spray paint..
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #9 on: February 01, 2012, 11:25:26 AM »
Bad picture I know but from the looks of it (aside from the spray paint around headers), No exhaust leaks.. Have to look at the bright side. 
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #10 on: February 01, 2012, 11:33:04 AM »
Gonna start tearing it down tonight. Ill take more pictures and post them. I work Mon-Sat from 5am-730pm.. So I'll try to squeeze every bit of time I can into this, But I will only post or update when I get home in the evenings. I have a couple questions off the start. Beside a thorough outer cleaning of engine and carbs, should I take the them apart with them running so well together pre-teardown? I will be watching your replies via Iphone from work. Thanks for you guys help in advance.
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #11 on: February 01, 2012, 07:26:37 PM »
Stripping down and exposing the ugly parts .... dirty dirty...
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Two wheels move the soul."
― Anonymous

Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #12 on: February 01, 2012, 07:29:34 PM »
Nice tangle of wires..
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Two wheels move the soul."
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Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #13 on: February 01, 2012, 07:31:48 PM »
Cant even describe what was going on behind the head light.. But I've been writing down ever connection color for color on my notebook.. Force of habit..
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #14 on: February 01, 2012, 07:34:50 PM »
That's better, There is a ton of spray paint on the forks.. but they're not in that bad of shape... how do I remove it without damaging the chrome underneath ?
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #15 on: February 01, 2012, 07:38:32 PM »
Not much left and wow is this thing dirty...
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #16 on: February 01, 2012, 07:40:18 PM »
From the other side..
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #17 on: February 01, 2012, 07:41:25 PM »
Old harness..
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

  • 1974 CB750
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Re: 1975 CB400f (First bike build)
« Reply #18 on: February 01, 2012, 07:43:05 PM »
Parts and tools, before organization.. Oh and my trusty notepad..
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #19 on: February 01, 2012, 07:45:17 PM »
Other bigger parts.
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #20 on: February 01, 2012, 07:46:56 PM »
More tomorrow night.. I have to hit the hay.. Oh and I have ordered quite a few things now...
1 x 32100377030P - Wiring harness (£99.00) - £99.00
4 x PCRK CB400F - Carburettor repair kit for one carb. (£16.00) - £64.00
1 x ADJUSTER SET 01 - Drive chain adjuster, bolt and lock nut (£10.95) - £10.95
1 x SERV KIT CB400F - Engine Service kit (£49.00) - £49.00
1 x 11632333010 - Generator cover badge (£25.00) - £25.00
1 x 30200300154P - Ignition points, condensers and back plate assembly (£29.95) - £29.95
1 x 30370323000 - Points cover and gasket (£35.00) - £35.00
1 x 44830425870P - Speedometer cable (£6.50) - £6.50
1 x 37260333000 - Tachometer cable (£17.95) - £17.95
1 x PM332 - Workshop manual by Clymer (£27.50) - £27.50
HONDA CB400F CB550 CB750 CB900 GL1000 CBX IGN. SWITCH
Honda CB750 Shock Absorber Set K 69-78,F 75-78, A 76-78, CB 400, 500, 550 Fours
HONDA CB 400 FOUR CB 400F CB400/4 AIR BOX
1 x 83501333020P - Tool tray (£29.00) - £29.00
1 x SCREW SET 017 - Transmission cover screw set (£2.40) - £2.40
1 x 17216333010 - Air filter retaining spring (£5.25) - £5.25
2 x ADJUSTER SET 01 - Drive chain adjuster, bolt and lock nut set (£10.95) - £10.95
1 x SCREW SET 002 - Generator cover screw set (£2.50) - £2.50
1 x 61301369003BP - Head light shell (£19.00) - £19.00
1 x 77220340003 - Seat lock plunger (£15.50) - £15.50
Emgo Carburetor Synchronizer
Bikemaster 32-Blade Dual Reading Combination Feeler Gauge Set
Hopefully that will put a dent in it. Thankyou David Silvers Spares and RickB's build up. Already have a pile to go to the local Powder-coating shop.
« Last Edit: February 01, 2012, 07:50:58 PM by Jason V. »
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Two wheels move the soul."
― Anonymous

Offline wedoo2

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Re: 1975 CB400f (First bike build)
« Reply #21 on: February 02, 2012, 03:33:19 AM »
Good find Jason, love the bike.  If the bike is running okay, I would just run some Seafoam through the carbs and see how it runs after your motor work.  Then, if you have problems, you can pull them and do what you gotta do.  Good luck.
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Offline Shade Tree

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Re: 1975 CB400f (First bike build)
« Reply #22 on: February 03, 2012, 07:17:34 PM »
Sorry didn't post anything yesterday guys. I am planning on asking my lady to marry me in 2 days. With that and work, 12hrs a day, I am pooped. But I am back on it on Monday. So far I have disassembled it even further. Cleaned the carbs, tooth brushed and simple green'd everything I could, Tried my hand at polishing the old parts... Now the waiting game for all my parts to get in and my powder coated beauties to come back.. So all in all I am pretty excited right now.. Almost like Christmas... Wish me luck and I'll post more on Monday.. Here's a little picture of my work table with the carbs.. Yes it is a old Foosball table..
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"Four wheels move the body,
Two wheels move the soul."
― Anonymous

Offline Tews19

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Re: 1975 CB400f (First bike build)
« Reply #23 on: February 03, 2012, 09:28:18 PM »
NIce build. Subscribed.

In regard to the forks.. best bet is to strip them with a brass wire wheel.. Then polish in 3 stages...

The wires behind the headlight for all sohcs usually look like a mess. Dont throw away the wire harness.

I have the Iphone as well. Get the tapatalk app. You can download pics directly that way.
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Offline Kwality

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Re: 1975 CB400f (First bike build)
« Reply #24 on: February 04, 2012, 12:14:28 AM »
Good luck mate.  With the bike as well !
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