Originally Posted by
V-dog69
Its my first time rebuilding and I need help with the carburetor. The engine is bored to 310 with a fresh rebuild, it was seized. The carb was rebuilt before and the jets are good. I do not know how to tell if they are correct or modified. Do the slow jet and main jet have a setting like the air and idle screw or do they just get set in? The needle jet is supposed to be in the third notch, right? Should I change the jets all together because of the change from 250 to 310? Im quite unsure about the carb, any help is greatly appreciated. Thanks