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New (to me!) '77 CB400F - US model
mattsz:
Result! Once I found the lip in the rubber seal that holds the flared rim of the air duct guide, I was off to the races. The guide came out pretty easily, then I had to remove the rubber seal, then the other rubber seal, in order to get the air chamber out, followed by the carbs.
With the carbs off the bike, I was able to carefully loosen all four float bowl drain screws. Dry, of course, and the threads were a little powdery. I removed one of the float bowls (all four screws were just barely tightened, almost finger-tight - surprising) and... well, I've seen worse. But a cleanup is in order. Pics (click to zoom in):
inside the bowl - loose powdery stuff in the bottom:
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The floats, etc:
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The main jet (?) and the spring holder (which has no name or part number in my parts list):
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Yummy stuff which fell out of the float bowl when I tipped it over:
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I'll put the bike to bed now, with oiled rags stuffed in the intakes and silencer, and some oil in the cylinders. I have the carbs and the front brake bits to work on this winter...
Nurse Julie:
Jet retainer clip 😀😀😀 We'll done Matt, you git there in the end. It's easy once you know how these things come apart.
mattsz:
Easy once you're told how these things come apart! Thanks Julie!
ps: it's getting late, go to bed!
Nurse Julie:
💤 💤 💤
mattsz:
I just discovered that there's supposed to be a retaining spring holding the air filter in place - missing on this bike, the filter is just sitting in the box. I wonder if it's been ridden that way for any length of time?
That, and the 3-1/2 inches of drive chain slack...
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