Mikuni Carb on SF50 Initial settings

[Bluey142]

Bike Model = : 2007 SF50 Primo Rally

I am hoping someone can suggest where I should set the two adjusting screws (air and fuel) on the carb as a starting point.

 

[♠️ M77]

Mix screws generally on that bike start 1 full turn from seated or 1.5 and see how it behaves?

[Bluey142]

Thanks,

On my first go, I think the float stuck as it wouldn’t go then gas came out the overflow. Tore it down again then used your suggestion and with some tweeking I have it running reasonably well. I’m letting it sit and will see how it behaves tomorrow.

[♠️ M77]

Bluey142 wrote:

Thanks,

On my first go, I think the float stuck as it wouldn’t go then gas came out the overflow. Tore it down again then used your suggestion and with some tweeking I have it running reasonably well. I’m letting it sit and will see how it behaves tomorrow.

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It’s not a bad idea to go through everything once more , good job!

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