Honda-SOHC

SOHC.co.uk Forums => CB750 => Topic started by: Johnny4428 on September 18, 2020, 01:51:34 PM

Title: CB750K3 is home.
Post by: Johnny4428 on September 18, 2020, 01:51:34 PM
Latest project (get ready for lockdown 2). Already identified some horrors although to be fair I knew by the photos that this bike was needing a lot of attention. Any help or comments welcome. Skip Hire! 😂😂😂
Title: Re: CB750K3 is home.
Post by: Johnny4428 on September 18, 2020, 01:54:02 PM
A few more.
Title: Re: CB750K3 is home.
Post by: Johnny4428 on September 18, 2020, 02:01:20 PM
See silicon sealant on head oil leak! What a good idea! Saves on spending on gaskets and seals.😂 clutch stuck, throttle stuck, Caliper stuck, good chance looking at wiring this loom will be fried, maybe not will strip off tape and see sometime in the future. The initial plan will be to get it running to assess the condition of engine.
Title: Re: CB750K3 is home.
Post by: Nurse Julie on September 18, 2020, 04:54:03 PM
Nice 🤔🤔🤔🤔
Title: Re: CB750K3 is home.
Post by: SumpMagnet on September 18, 2020, 05:31:14 PM
Looks good to me. Drill the top yoke and get a few cable ties round there, and it will be good to go. I mean...it's still held on the other side ( isn't it???? )

Wiring loom needs a coule more twists to get it right, and a big wad of gaffa tape on top to hide it. I mean...easy to trace wiring problems when all the inner is exposed innit. Just watch for sparks!

Still....at least it's not rusty ;)
Title: Re: CB750K3 is home.
Post by: Johnny4428 on September 18, 2020, 08:24:13 PM
Previous owner would have paid good money for tips like that. 😂
Title: Re: CB750K3 is home.
Post by: Spitfire on September 18, 2020, 08:24:37 PM
That should keep you off the streets and away from the nasty virus for quite some time.

Cheers

Dennis
Title: Re: CB750K3 is home.
Post by: Johnny4428 on September 18, 2020, 08:28:26 PM
Certainly on that one Dennis.
Title: Re: CB750K3 is home.
Post by: Johnny4428 on September 19, 2020, 07:29:21 AM
Two flasher units ??
Title: Re: CB750K3 is home.
Post by: ewanhughes on September 19, 2020, 08:50:58 AM
Love the side stand, very ornate.
Title: Re: CB750K3 is home.
Post by: Johnny4428 on September 19, 2020, 08:58:57 PM
Could be available shortly!
Title: Re: CB750K3 is home.
Post by: Johnny4428 on September 19, 2020, 09:00:36 PM
Don’t think this is supposed to swivel?
It has been there 47 years! The leads are all very poor condition.
Title: Re: CB750K3 is home.
Post by: Johnny4428 on September 22, 2020, 05:57:05 PM
Some very sad looking butchery, as far as I can see to accommodate some longer non standard hand grips.
Title: Re: CB750K3 is home.
Post by: Spitfire on September 22, 2020, 07:11:54 PM
Boy that's ugly

Cheers

Dennis
Title: Re: CB750K3 is home.
Post by: Johnny4428 on September 22, 2020, 09:20:33 PM
Yes Dennis I agree! If the internals and wiring is ok I will consider repairing as I would be painting anyway.
Title: Re: CB750K3 is home.
Post by: Johnny4428 on September 27, 2020, 07:24:11 AM
Well after a few days off and on of “test track and trace” and sorting some rather poor electrical mods, I plucked up the courage to connect battery, all seemed to be OK except none of the idiot lights worked all suffering a bit of corrosion in bulb holders. But after getting lights working (mainly oil pressure) working, starter solenoid and replacement cheapo rectifier fitted, I thought let’s give it a go! Temp fuel tank set up with fuel pouring from the carbs I thought I’ve  came this far let’s try anyway, with a couple of kicks she fired up and ran pretty good oil light went out pretty quick. Wasn’t expecting it to be that easy. These things just want to run. Next job carbs off.
Title: Re: CB750K3 is home.
Post by: Spitfire on September 27, 2020, 09:24:34 AM
It's nice when that happens

Dennis
Title: Re: CB750K3 is home.
Post by: Nurse Julie on September 27, 2020, 09:29:04 AM
Nice when a plan comes together.
Title: Re: CB750K3 is home.
Post by: Johnny4428 on September 27, 2020, 05:18:38 PM
Yes quite chuffed it ran,decided to remove carbs to sort out stuck floats etc, I’m thinking this is remarkable it ran at all. What’s with the green gu?

Title: Re: CB750K3 is home.
Post by: Johnny4428 on September 27, 2020, 06:21:01 PM
Can I just add that these are doddle to remove compared to the 550.
Title: Re: CB750K3 is home.
Post by: Bryanj on September 28, 2020, 08:24:04 AM
Green goo is whats left after ethanol petrol exasperates
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