aldy13 Posted August 16, 2016 Report Share Posted August 16, 2016 Hi Everyone I'm rebuilding a TY 250 to go with my working TY 250 and have a carb to fit to it but it has a different slide in than my working bike, what is the correct slide number? both carbs have the main jet in the float bowl. Kind regards Andy Quote Link to comment Share on other sites More sharing options...
feetupfun Posted August 16, 2016 Report Share Posted August 16, 2016 I just looked in two Yamaha parts books. One was for TY250B and the other was for TY250C. Both have the carby with the main jet holder in the float bowl. These models have different jetting, but both showed the same part number for the slide and listed the standard slide as a 3.0 Quote Link to comment Share on other sites More sharing options...
aldy13 Posted August 16, 2016 Author Report Share Posted August 16, 2016 Thanks for the reply Feetupfun I have a Size 3 in the bike I ride but the other one has a 2.5 not sure if this makes a difference or not? 1 Quote Link to comment Share on other sites More sharing options...
feetupfun Posted August 17, 2016 Report Share Posted August 17, 2016 Yes the cutaway does make a difference but it may still be OK. Certainly no problems with trying it out with the slide you have Also it is a common tuning method to increase the cutaway dimension, so while yours might have started out as a 2.5 it might actually be a 3.0 or 3.5 if someone has resized it. If you can still see the anodising on the edge of the cutaway then it has not been resized Quote Link to comment Share on other sites More sharing options...
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