T500 Carb Bucking issue

LexPaul · Post by **LexPaul** » Mon Apr 11, 2016 4:45 pm

Just checking to see if there is any advice on this big bore 2 stroke carb bucking issue at deceleration? I've read up on the issue some and I understand that I should adjust pilot air screw up or down to see if I am running too lean or rich.

Ivan mentioned going up to a #35 pilot jet. I do not see that item # listed in my sources. Has anyone had success with this modification from standard #30. Does anyone have the #35 pilot jet item # so that I can do a search if needed?

Last but not least, does anyone else want to throw out an idea on this? Thank you LP

karl pa · Post by **karl pa** » Mon Apr 11, 2016 5:30 pm

On my 76 GT500,I had severe bucking when decelerating and slow speed,turned air screw out to lean out,ran much better.On my 73 GT750 I turned air screw in to richen mixer to solve issue.

ConnerVT · Post by **ConnerVT** » Mon Apr 11, 2016 5:46 pm

They are sized in 2.5 step increments, so you can go up to 32.5 first.

VM22/210-32.5

VM22/210-35

titan performance · Post by **titan performance** » Tue Apr 12, 2016 2:22 pm

Ivan was right......fit a 35 and it will be cured !

LexPaul · Post by **LexPaul** » Wed Apr 13, 2016 1:20 pm

Once I fit a 35 will there be other adjustments, of a non traditional specification, that I will need to make with the pilot and throttle screws? Thank you gentlemen.

LexPaul · Post by **LexPaul** » Sun May 01, 2016 7:13 am

Mine was running a bit lean, when I turned in the screw a 1/4 the bucking ceased. Thanks for the advice. LM

T500 Carb Bucking issue

T500 Carb Bucking issue

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Re: T500 Carb Bucking issue

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Re: T500 Carb Bucking issue

Re: T500 Carb Bucking issue