SOHC.co.uk Forums > CB500/550

K3 mixture with motad

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paul G:
Hi all,
Just started the K3 for the first time after restoration. It is running very lean with a motad exhaust does anyone have the jetting for this set up.
Can I lift the needles one notch or does it need re jetting.
 

UK Pete:
Just from lots of previous experience with motads , i have never had to re-jet, are you sure the carbs are all set correct with standard jets, and are totally clean
pete

mickwinf:
I agree with Pete, rejetting is not normally required, but carb problems are very common often taking several stripdowns and lots of trial and error with settings. The K3 especially as I believe they were set quite lean to start with, so good luck!

paul G:
Thanks,
I will check the float levels again. The carbs were thoroughly cleaned before installing them.

Regards,

mickwinf:
just be aware the K3 has a different float level to the earlier model at 14.5 mm

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