SOHC.co.uk Forums > CB750

750F2 erratic tick over.

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billy192:
not sure if your model has an automatic advance and retard thingy, but mine (K6) had erratic tickover. i changed carb rubbers jets, air filters but when i checked the advance re-trad ting it was dry and sticking. now after cleaning and a light bit of oil the tickover is brill, just a thought
Billy

royhall:
Pretty sure I got all the above suggestions right when it was built up, but will use the suggestions as a list to double double check everything. Thanks guys.

Bryanj:
I'm trying to remember what they were like new and it comes back that they just would not tick over at all untill really hot

royhall:
That's exactly the problem Bryan, and its absolutely miles before its hot enough. Can be a real pain in traffic. Got to set the tickover so its usable, then when its hot the tickover is way to high. May try adjusting the fast tickover on the choke so its can be slightly on without the butterfly's closing so I can keep a bit of choke cable out until its hot. Not sure if that's possible though, and if it is its only a workaround. Should really start with finding a way to set the idle mixture accurately.

Bryanj:
Again from aged memory I think you had to have the choke out a bit for quite a while, it was the Yanks fixation with the emissions making Hond fit the PD carbs which, in my opinon, were not the best---in fact a large pile of pooo

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