Recent content by Marc G

ok,good. getting somewhere. my 220 is .052 and your 310 is .0625 . Guessing a 260 might .055 go . I appreciate you checking. if someone has a 1-60 drill set, there is a .052,.055,.059,.063 drills you can use to check your jets. Can someone confirm a .059 go on a 280.

I have built many kart racing engines and blueprinted tillotson carbs. Converting them for methanol. My search online can't find main jet sizes (just #'s). I assumed it was the metric size, but does not equate. Drilling jets and carbs are quite simple if you go in step sizes with a hand pin...

It is not about money! Just time. I rebuilt quad and would like to fire it up tomorrow. Not sure what the previous owner did, so just checking carb settings. My research online cant find jet diameters, just a million opinions of what jet# to use. Heck, if you have a #260 jet, could you let me...

Thanks for responses. Does anyone know what drill pin size a 260 jet is?

I am trying to confirm what size main jet i have. I believe it is a stock 220. I measured it by pinning it with a .052 inches drill bit goes thru, but a .055 does not. I am trying to figure out what the 220, 260, 32.5, decimal inch equivalents. Assuming metric size...0.052 inches x 0.0394 mm =...