SOHC.co.uk Forums > CB750
750 f1
Spitfire:
Something sounds wrong on my F1 just like all the other 750's that I have owned they like full choke on start up.
Attached is some info on F1 carbs
Cheers
Dennis
Redders33:
Thanks for all the help everyone, few things to check eh, the idle screw is interest I think they are wrong ..so according to the chart it’s all the way in then out one complete turn ?
Spitfire:
That's the way I read it
Cheers
Dennis
Skoti:
'Carburation is a bit woolly low down and feels like it could be crisper, it starts better without choke'
Had exactly the same problem with my F1, tried everything mentioned here, but in the end it was new needle jets that cured it.
Part number 16012 392 004 (if you can still get them)
Good luck.
Redders33:
That's interesting Skoti, was there any evidence of wear on the knackered ones?
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