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Gp-61

3dNater

3DRCF Regional Ambassador
Sounds like an air leak to me. If it will run when choked... the air has to come from somewhere or the fuel wouldnt burn.
 

SupaTim

70cc twin V2
Nope, just fiberglass and they can chip or fail pretty much any time. Also if anything gets sucked in and doesn't allow the reed to lay flat it could prevent the vacuum necessary to draw fuel correctly.
 
Ok checked reeds nothing seemed to be under them checked diaphragm it looked good removed needles and checked them all good carb screen was clean, the carb bolts did seem a half a turn loose so I hope that was the problem bout to put it back to get or and go from there
 
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