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Seems like the choke has to be on all the way verses before it needed less choke, as far as 3.5 turns that was the original setting I tried 3 turns but that 1/2 turn made a small difference. The part I'm not to sure about is that the carb kit I received, the fuel mixing screw wouldn't thread in the ...

yes the hesitation is there on take off, slightly during thrust for more speed . I don't believe the 80 xj650g has an accelerator pump, the Manuel doesn't show one I have never seen any thing that would make me think there is one. Parts book data doesn't show one either, I will look into the jets I ...

I have an 80 Yamaha xjj650 sat for a couple of years, so I rebuilt carbs, replaced exhaust and intake boots replaced plugs cleaned and relined gas tank, replaced pet carrot and fuel lines . adjusted jets to 3-1/2 turns set floats to suggested level 17.5, lubed gas cable replaced oil and filters . Bi...