SOHC.co.uk Forums > CB350/400

400 Four Idle Problems

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Piki:
Hello Folks, I need your advices....Yesterday I "run" my 400 four after one sleeping year in the garage. 4 or 5 kicks and alive again, I take a short ride and all worked perfect but  when I stop in the Traffic Lights, the idle is up and I have to turn the idle screw down, where is the problem??
Thank you in advance.

mike the bike:
The petrol goes off after a few months and turns into a cough-mixturey goo that blocks jets up.  Unless you drained the tank and the float bowls before you put the bike to bed, this sounds like the most likely cause.
An hour or so of stripping and cleaning should make a difference.

tom400f:
What product do you use Oddjob?

Nurse Julie:
Hi Chaps.
I don't think it has anything to do with the petrol if it started after only a few kicks. I have the same problem with the idle on my 400/4 but I'm doing quite a few miles on her at the moment and filling up at least twice a week. I think it's the carbs that need a bit of fine tuning in my case. I also saw someone start a CB750 K6 yesterday that had been sitting idle in a coal shed for 6 years and it started after about 7 kicks on the original fuel.

mike the bike:
What sort of coal was the bike running on?

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