Can anyone help?

Discussion in 'Mech Tech' started by low_light_craig, May 13, 2017.

  1. So I've fitted a reconditioned solex 34 pict 3 carb and I've got a massive flat spot. I've done the valves and timing it ticks over on and off choke. Seems to be perfect until you put it under load. Forgot to say 1600tp as engine and vacume advanced dizzy.

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  2. mikedjames

    mikedjames Supporter

    DO you have preheated air feed through air cleaner ?
    Accelerator pump not pumping enough fuel ?
    Jetting wrong because cold air feeding is messing it up ?
     
  3. No it's had the original air cleaner taken off (Not by me) and I've turned the pump up. But I did not Check the jets I'm thinking it could need bigger main jet.

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  4. Is the vacuum advance working correctly on the dizzy ?
     
  5. Seems to be from what I can see. Put new pipe on it aswell just in case. Someone has just offered to lend me there's to test if mine is working. Any recommendations if I need a new one?

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  6. To check if it's working remove the vacuum pipe from the carb end.
    The baseplate in the dizzy should move when you suck on the vacuum tube
     
  7. Who refurbed the carb ?
     
  8. Done that and it seems fine. But at this point I'll try anything we are away in it next week

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  9. A local fella builds engines and carbs. He did the spindles [​IMG][​IMG][​IMG]

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  10. Last edited: May 13, 2017
  11. [​IMG]
     
    Valveandy and Lasty like this.
  12. Done this it idles perfect on and off choke even pulls away ok until you give it a bit of pedal then big flat spot

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  13. Try the original link now
     
  14. Still can't get it

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  15. Now I can

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  16. low_light_craig likes this.
  17. Thanks for all the advice put a bigger main jet in today and it runs spot on.

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    Poptop2 and Flakey like this.
  18. Just tried this on my van and it now feels much better
    Thanks
    Andy
     

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