Author Topic: A '74 build after being away from CBs for too long  (Read 160 times)

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Offline Thunder

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A '74 build after being away from CBs for too long
« on: October 02, 2025, 03:24:45 PM »
Hey hey, so the CB siren call was just too much... And I went and bought a rough 1974.
I have a '69 that I have been messing with on and off ,trying to get running right, for a few years, but it's been on the back burner for a while, and I've been busy with a couple of others(BMW r50/2/CBX1000/VFR750) that I have built up in the meantime.

But in all that I have missed the 74 I had about 15-20 years ago. That was my first foray into restoring, anyhow, this one popped up , and even though I knew it was going  to be more expensive and time consuming than I would like, or even what she would be worth, I had to get her.

I have read countless posts of restorations here, and i don't imagine this being particularly noteworthy so I won't bore you with words, if you have any questions, shoot. Anyhow , here are the pics
« Last Edit: October 03, 2025, 01:17:39 AM by Thunder »

Offline Thunder

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Re: A '74 build after being away from CBs for too long
« Reply #1 on: October 02, 2025, 03:42:32 PM »
Pics to come, need my desktop as Imgur is being difficult
« Last Edit: October 02, 2025, 04:06:51 PM by Thunder »

Offline newday777

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Re: A '74 build after being away from CBs for too long
« Reply #2 on: October 02, 2025, 04:56:36 PM »
Welcome back aboard. What 1974 CB are you referring to? There's more than one CB in the line up of Hondas.
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 Thunder

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Re: A '74 build after being away from CBs for too long
« Reply #3 on: October 03, 2025, 01:00:21 AM »










Offline Thunder

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Re: A '74 build after being away from CBs for too long
« Reply #4 on: October 03, 2025, 01:02:15 AM »
So... engine was siezed, covered in years and years of muck and doghair and what smells like #$%@, si gloves and a clean off.Engines gotta come out and its gonna be a full rebuild

Offline Thunder

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Re: A '74 build after being away from CBs for too long
« Reply #5 on: October 03, 2025, 01:02:48 AM »
Welcome back aboard. What 1974 CB are you referring to? There's more than one CB in the line up of Hondas.
Of course, Cb750

Offline Thunder

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Re: A '74 build after being away from CBs for too long
« Reply #6 on: October 03, 2025, 01:11:09 AM »
Carbs Out an refreshed, been through em and rekon they will be good, everythign was blocked)




Some brakes i had prepped in case



Some Hubs prepped (there are a lot of Doubles as i have a Cb750F2 thats been a cafe project for about forever) so i am just doing 2x alot of the stuff



Shocks are leaking and rusted to hell, David Silver has some replacements ill have to get



Most of the Chrome is so far gone as to require a rechrome







Removing years of accumulated dog****... fun for everyone










« Last Edit: October 03, 2025, 01:15:38 AM by Thunder »

Offline Thunder

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Re: A '74 build after being away from CBs for too long
« Reply #7 on: October 03, 2025, 01:17:09 AM »
I dont have a mig/tig welder, so used this method in the past which has worked for broken fins




Offline Thunder

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Re: A '74 build after being away from CBs for too long
« Reply #8 on: October 03, 2025, 01:30:56 AM »
Additionally after years of trial and mainly error i have come to the conculsion i am a rubbish mechanic. I  previously completed assembly of the 69 engine with a mate, and after bolting everything together , she spat, farted and leaked. She ran but not well, so with this one i have decided to take this engine to another guy i know who knows the engines well.

69 engine will be going to him as soon as funds allow...
funny... only fans just doesnt pay alot for middleaged overweight white guys

Pistons


My workshop


Ohhh..shiny, Engine has been vapourblasted and the common  drivechain smash/crack weldedup



So diagnosis is: new rings. hone, new camchain/tensioners, new primary chain and main bearing, reconned oil pump

I guess i am buying David Silver a new pool, but in for a penny and all that.
So i should have a nice new powerplant.
While its at the mac, i am gonna get onto the other stuff....


« Last Edit: October 03, 2025, 01:44:07 AM by Thunder »

Offline Thunder

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Re: A '74 build after being away from CBs for too long
« Reply #9 on: October 03, 2025, 01:49:45 AM »
Another thing i have noticed, the knock on effect
-you start on one a part, get it looking like new_fantastic!
-and then everything else then looks like ####
-necessitating getting the next part in the same condition
-necessitating the budget revision

rinse and repeat until complete or broke

Offline carnivorous chicken

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Re: A '74 build after being away from CBs for too long
« Reply #10 on: October 03, 2025, 09:42:35 AM »
Looks like JDM with the warning light in the triple tree...

Offline scottly

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Re: A '74 build after being away from CBs for too long
« Reply #11 on: October 03, 2025, 10:34:27 AM »

Some brakes i had prepped in case




Those caliper arms with the "C" mounting brackets are for K0-K2 forks, and won't work with the K4 fork lowers.
Don't fix it if it ain't broke!
Helmets save brains. Always wear one and ride like everyone is trying to kill you....

Offline Thunder

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Re: A '74 build after being away from CBs for too long
« Reply #12 on: October 03, 2025, 10:34:53 AM »
Agreed about it being a JDM, we had some funny stuff going on back in the day, in that "apparently" this was amongst a batch of grey imports into the country (South Africa), some circumvention of some law or another.

Some clock rebuidling





Offline Thunder

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Re: A '74 build after being away from CBs for too long
« Reply #13 on: October 03, 2025, 10:39:08 AM »

Some brakes i had prepped in case



Thanks mate, agreed, i have some different shafts with the later mounting brackets...I just get to the stage where i am cleaning and spraying so try to do whatever i have laying around all at once, probably in anticipation of hopefully getting more CB's in the future


Those caliper arms with the "C" mounting brackets are for K0-K2 forks, and won't work with the K4 fork lowers.

Offline Thunder

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Re: A '74 build after being away from CBs for too long
« Reply #14 on: October 04, 2025, 06:53:21 AM »


Dissasembly of frame

Engine cleaning

Making some new clock faces



« Last Edit: October 04, 2025, 07:06:51 AM by Thunder »