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Doms CB550F1 project
DomP:
Yes I can kill it if I wind the idle screw out, pretty damn sure I've got no vacuum leaks too as I've gone around it with carb cleaner and not noticed any change to revs. I need to get a good free day to fully dedicate to going over it with a fine tooth comb.
McCabe-Thiele (Ted):
--- Quote from: DomP on October 01, 2024, 10:58:50 PM ---Yes I can kill it if I wind the idle screw out, pretty damn sure I've got no vacuum leaks too as I've gone around it with carb cleaner and not noticed any change to revs. I need to get a good free day to fully dedicate to going over it with a fine tooth comb.
--- End quote ---
I've added an additional assumption to my analysis that I omitted - you need to have the original mechanical advance & retard this needs to be in good working order or an electronic equivalent that works.
DomP:
One other thing of note is that it is far too easy to start, no choke needed, whether that points to the shield being a little too open or if its just that it's running too rich?
K2-K6:
If you start it from cold, run it 30 sec, switch off and then check the header pipes for temperature (basic spit on your thumb and touch will do) what have you got ?
Any cold ones ?
McCabe-Thiele (Ted):
I am not saying this as a thing but both my bikes need full choke to start up from cold as a first start of the day. As soon as the engine is running I reduce the choke as necessary. If I switch off after half a minute or so no choke needed to fire her up again if it's within a few minutes. might need some slight choke to ride off
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