burping at take off...

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bobvic1217

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yes!, it burps! lol About 30 tanks through, and today it just started to hesitate at take off. Before, you'd hit throttle and take right off, but now i hit throttle, and it almost sounds like it's gonna idle out, then it takes off like it should. Any ideas out there? Still have stock settings on engine, and lately have been messin with idle screw... but I have that zeroed right in now. (It wanted to move forward this whole time at idle) always used trim to keep it still.
 
I would give the carby a good spray with brake cleaner and reset the needles back to factory settings they may have moved slightly through vibrations as 30 tanks is a lot of run time. Thats probably the fist thing I would try.
 
low speed needle....to lean... is to the right?

and if this doesn't work out... I'll go with GTS's suggestion :)

Thanks guys
 
Yep. Clockwise to lean. Don't go more than a quarter turn, total. Lean it 1/16 of a turn at a time until you're happy with the performance.

This probably explains it better. The text might be a little hard to see.

72t5qu.jpg
 
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