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CB750 / Re: Primary chain k2
« Last post by Martin6 on May 30, 2024, 11:49:30 PM »
Yes, 70mm for the CB750K. I left mine alone at 68.2mm until I next take the engine out, as I had no other reason to go into the engine case. Maybe should have done it, if I had the opportunity again, I would, but I didn't know the top end would go back together so easily at the time and didn't want to get in above my head.

I have 40,000 miles on mine, so 1.3mm wear or 'stretch' per 10k, if it's linear!
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Project Board / Re: Teds new project a CB500 K1 mostly version 0.5 circa 1972.
« Last post by Johnny4428 on May 30, 2024, 09:47:08 PM »
Weather has been a bit average here Ted still having to flick the heating on couple of times a day. Hopefully warmer weather on the way!
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Project Board / Re: Teds new project a CB500 K1 mostly version 0.5 circa 1972.
« Last post by DomP on May 30, 2024, 09:24:50 PM »
What doesn't Julie stock!  Took me a while but now realise you meant central heating, I'm determined not to load our pellet boiler until September at the earliest.

It's annoying that summer comes along and so many jobs need doing but good to see the 500 is pretty much done.
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CB350/400 / Re: Gear lever rose joint removal
« Last post by Fleabie on May 30, 2024, 08:50:30 PM »
Thanks all for you replies!

I asked Ken (Oddjob) (via text) and he's suggested replacing the rose joints completely, so that's what I am going to do. Drill the stud/ball out of the levers and fit new joints.

I've tried picking those dam circlips and although they move, they are very good at holding the joint together fortunately/unfortunately !
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Project Board / Re: Teds new project a CB500 K1 mostly version 0.5 circa 1972.
« Last post by McCabe-Thiele (Ted) on May 30, 2024, 08:37:40 PM »
The oil light switch decided to stop working when I was going to set the static timing - it just stayed off so replacement via NJ fitted today.
Due to a raft of household type jobs & Wendy's Freelander decided it did not want to crank over I've been distracted. Thank goodness I had Home Start on her Insurance. Iffy starter motor so RAC Smart Service are fitting it on our driveway on Monday.

It will be after the weekend now before I can do any more on the 500. Not sure how it's affecting members here but we had the CH on again last night & this evening.
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Anorak's Corner / Re: Koso gauge RPM set up
« Last post by DomP on May 30, 2024, 07:11:28 PM »
I'll give it a try later Ted.  So why don't they suggest connecting it up on the ignition side rather than from the coil I wonder, then again looking at the instructions I'm not surprised.
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The Black Bomber Board / Re: 67` Bomber running problems
« Last post by mo goldie on May 30, 2024, 06:42:23 PM »
Hi Roy

Thanks for the update of the parts and where to get them  ;D they came today and No import tax Yahoo LOL. a 35T Rear and the 15T Front so you know what I will be doing over the next few days ..what with the weather being like it is  :'(

but it will be all good I hope the sprockets look all to be ok.... update soon.

Cheers Mo
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Anorak's Corner / Re: Koso gauge RPM set up
« Last post by McCabe-Thiele (Ted) on May 30, 2024, 06:26:08 PM »
Deffo try setting 4 then. 👍
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Anorak's Corner / Re: Koso gauge RPM set up
« Last post by DomP on May 30, 2024, 05:52:49 PM »
It says its suitable for both, I think it's reading around half the revs on setting 2 which is 1 rpm signal per 2 ignitions so u wonder if I change it to setting 4 which is 1 rpm signal per 4 ignitions
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Anorak's Corner / Re: Koso gauge RPM set up
« Last post by McCabe-Thiele (Ted) on May 30, 2024, 05:33:52 PM »
Is you rev counter designed to work with electronic ignition the switching signal profile might be unsuitable.

As you are dealing with an inducted circuit it might be possible to dampen it. Electronics is not my forte.
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