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1972 500 K1 question?

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McCabe-Thiele (Ted):
My engine starts & runs without using the choke but stalls without some throttle when cold. Is there supposed to be a fast idle system as the engine does not speed up with a small amount of choke?

Bryanj:
Nope, too old and agricultural for that Ted, the high idle is the silver thumbscrew on the rh side of carb bank operated by your right hand mate

SteveD CB500K0:
Unless you have a 550K3 of course where the plastic pull-up choke lever on the handlebars results in 3000rpm tickover.

Mine did anyway.

Both of them.


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McCabe-Thiele (Ted):

--- Quote from: Bryanj on September 14, 2022, 11:37:09 PM ---Nope, too old and agricultural for that Ted, the high idle is the silver thumbscrew on the rh side of carb bank operated by your right hand mate

--- End quote ---
Oddly enough Bryan I've been using that screw to keep it running - as it warms up I have to turn it down again. I was thinking I'm cheating doing this!

Sesman:
You are cheating😳. Something not right with the choke, idle circuits there!

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