Author Topic: My first 75 Cb400f  (Read 820 times)

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Offline rockawheelie

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My first 75 Cb400f
« on: May 13, 2022, 06:50:38 AM »
Hello, I’m new to the forum- thanks for having me.
Recently picked up a 75 CB400F from a engineer who was rebuilding it and his life circumstances changed so he sold me pretty much every part he had to go with the bike.
It’s not pretty and it missing some parts but I’ve been having fun with it.
Any advice is appreciated and also looking for buyers if anyone is looking.
Thanks!

Offline Kevin

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Re: My first 75 Cb400f
« Reply #1 on: May 13, 2022, 07:25:33 AM »
Welcome to the group!
Depending on what parts came with the bike, it looks like you have a lot of work ahead of you.
You will find just about any information you need on this forum or the service manual. 

You might have better luck selling it if you told us where it is located.

Sent from my SM-N960F using Tapatalk

A couple of 400F's and a
'98 Suzuki Intruder VS1400 ~ for long rides

Online MauiK3

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Re: My first 75 Cb400f
« Reply #2 on: May 13, 2022, 07:51:01 AM »
Lots of work there
1973 CB 750 K3
10/72 build Z1 Kawasaki

Offline rockawheelie

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Re: My first 75 Cb400f
« Reply #3 on: May 13, 2022, 08:20:01 AM »
Thanks for the hint, this is my first forum since the 90s:)
I’m located out in Brooklyn.
Was reading the manual and having a beer last night on the porch.
It’s gonna be fun while it lasts but I wanna get it cleaned up and sold by the end of the month.

Offline Kevin

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Re: My first 75 Cb400f
« Reply #4 on: May 13, 2022, 08:58:40 AM »
That is very ambitious of you.
But I guess that depends on what you consider cleaned up and ready to sell.....

From the looks of it right now, it needs a ton of work to be functional, and safe, to ride.

What size is that rear sprocket?



Sent from my SM-N960F using Tapatalk

A couple of 400F's and a
'98 Suzuki Intruder VS1400 ~ for long rides

Offline Shtonecb500

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Re: My first 75 Cb400f
« Reply #5 on: May 13, 2022, 08:24:24 PM »
this is one of my fav builds, i wish you luck and cant wait to see what you cook up
73/74'' CB500/550 resto-mod - sold
75' 750f 91' cbr f2 swap cafe - mock up
74' 750 chopper hardtail - complete - sold
74' CB750/836kit - Black mix & match - daily rider - always tweaking
71' cb500 K0 survivor - complete
71' K1 - CANDY GOLD/BROWN Winton kit - in process

Offline newday777

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Re: My first 75 Cb400f
« Reply #6 on: May 14, 2022, 02:08:18 AM »
Thanks for the hint, this is my first forum since the 90s:)
I’m located out in Brooklyn.
Was reading the manual and having a beer last night on the porch.
It’s gonna be fun while it lasts but I wanna get it cleaned up and sold by the end of the month.
Welcome aboard from NH. Does it run already?
The 400F is a fun bike to scoot around on.
Stu
Honda Parts manager in the mid 1970s Nashua Honda
My current rides
1975 K5 Planet Blue my summer ride, it was a friend's bike I worked with at the Honda shop in 76, lots of fun to be on it again
1976 K6 Anteres Red rebuilding project, was originally my brother's that I set up from the crate, it'll breath again soon!
Project 750s, 2 K4, 2 K6, 1 K8
2008 GL1800 my daily ride and cross country runner

Prior bikes....
1972 Suzuki GT380 I had charge of it for a year in 1973 while my friend was deployed and learned to love street riding....
New CB450 K7 after my friend returned...
New CB750 K5 Planet Blue, demise by ex cousin in law at 9,000 miles...
New CB750 K6 Anteres Red, to replace the totaled K5, I sold this K6 at 45k in 1983, I had heavily modified it, many great memories on it and have missed it greatly.....
1983 GL1100A, 1999 GL1500 SE, 1999 GL1500A

Offline rockawheelie

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Re: My first 75 Cb400f
« Reply #7 on: May 14, 2022, 09:14:35 PM »
I’m just getting into the engine now and what I know from the guy I bought it from the bike was used for racing.
Already I find there are no butterfly valves when I got the carbs off…
If anyone would be so kind to lead me to the way of someone who can get me 4, I would surely appreciate it.
The bike is definitely not running but I got a lot of parts with the bike so I’m going to reassemble it as much as I can and see where it lays. Maybe bench start it…
But honestly I want to play with it and see what happens, then sell it. No plans on keeping it long term… at the moment.