SOHC.co.uk Forums > CB750

Start of restoration Carb Help

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JamesH:
Richard I've done quite a few 750 sets now. I break the carb units themselves down completely to ultrasonicly clean, but always clean the manifold / actuator bar as a complete unit wherever possible (so long as it has no excessive play / stiffness in the mechanism you should be fine). Just thoroughly clean, dry and lubricate after. I would always go for the honda gasket sets and try and use genuine Keihin pilot jets if possible. Keyster kits are 'ok' but the pilot jets in particular aren't a patch on the genuine keihin parts IMHO.

Lobo:
I broke my carb set down to basic components - ie drilled out the pin in question. Would I do it again... mmm, not sure, a lot of stress for very little return... if you crack the boss etc you'll be wailing "why, oh why did I do this" long into the night! Check ebay for a spare before you commit!

The pin was a sod to drill out bring harder than its alloy boss, and, as suggested, I did then tap / replace with a grub screw (with honed end).

There was a thread on this a while back; forget which member but he (unfortunately) did indeed shag his shaft - admittedly through not realising there is a pin & welly'ing it out. Forget his repair... you'll have to hunt back if interested. (was the CB750)

Honestly, suggest you take James's advice / method...

Good luck,
Simon

RGP750:
Thanks for the tips guys,think i'll keep it together then ,it is running free.
is David Silvers the best place for decent carb parts?
thanks again Richard

JamesH:
Dave Silver / CMSNL / Fowlers for the Honda parts. NRP carbs for misc keihin parts (jets etc...)

mickwinf:
I have managed to drill mine out and will tap a 3mm thread for a screw, once in place will file flush and no one will know!

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