SOHC.co.uk Forums > CB750

Carbs Install

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Nurse Julie:
Yes, on the 750 carbs the measurement is taken on the inner flange, not the outer lip.

Martin6:
Thanks. 👍

You've all been very helpful. The manuals are OK, but it's great to get experienced input. I appreciate it, thank you.
Martin

Martin6:
I've hit a problem on carb #4. I've been replacing the needles. On my version of the Keihins, this requires a 'stay plate' to be removed, so the plunger and top of the carb can be pulled out, revealing the needle. The stay plate is held in with two small x-head screws. One of these is seized. I have the right screwdrivers, but I now have very little grip on the head remaining. I soaked overnight with penetrating oil, but still no joy. I'm reluctant to clamp the slide in the vice, as this could distort it. There's no space to clamp the screw head. Out of ideas. Please, any suggestions?

The bike seems to be fighting me at the moment!  ;D

K2-K6:
Any chance of boring a hole into wood block such that you can stand the sllide down into that, then you can really lean on the screw to get traction.

Oddjob:
Any of the screw sticking out of the bottom of the slide? I seem to recall they are slightly too long, if that's the case you could if all else fails drill the top off the screw and try and use a pair of pliers to turn the screw out from the bottom, the problem is probably the bottom of the screw has gone rusty, this won't allow the screw to go through the threads in the body, doing it from the bottom should mean the threads inside the body, which are usually clean will then just turn out of the body. Try and tighten the screw a little beforehand so any rusty threads are out of the body.

Other than that buy another slide.

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