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The accelerator pump on Honda's CX500, GL500, CX650 and GL650 carburetors is located on the left hand carburetor body if it is present at all. It's underneath the float bowl - so it'll be hard to see when the carbs are on the bike but if you have them in front of you upside down it should be pretty clear. Here it is on a Honda CX650E set of carbs:
Closer:
It's held in with three 4mmx12mm screws with washers, Honda part number 93892-0401200 (
still available new)- use a JIS driver (eBay US, eBay AU, eBay UK) to get these out, they're not Phillips. Size #1 or #2 from memory. Be mindful of the fact that there's a spring underneath here, which you probably won't want shooting off a) into the dark recesses of your garage or b) into your eye.
Said spring, with casing:
Screws with washer removed:
Underneath we have the diaphragm:
That lifts out:
...leaving the bowl and some rust, in this instance:
Now we need to remove the float bowl to get to the next part of the accelerator pump setup - head back to the main carb cleaning page for the next step.
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