PD46A Carb Main Jets

[cb550k-aaron]

Hi guy's got a K3 with Keihin Carbs and pods. I'm going to get new main jets as it isn't running correctly obviously on the stock jets.

My question is... What are the exact size of the jets? ie dimensions? I can buy two options 8mm long and 9mm long.

I can't take my carbs off just atm to check as I'm using it daily this week as my car is in for a service.

Thanks in advance

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[Seabeowner]

Mine are 8.1mm, (90 jet), but the're PD46C. But of course the length of the jet hole itself is little more than half that. Never considered that jet hole length could vary, but obviously it would affect flow rate.