August 16, 201610 yr 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
August 16, 201610 yr 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
August 16, 201610 yr Author 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?
August 17, 201610 yr 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
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