justin_o_guy
Ex Member
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The white spacer is inside, under the top cover, down in the bottom of the tube the diaphragm is on. By making it 1/2 as thick as it is you affect how high the needle sits with respect to the main jet & richens the mixture. Now, understand, I am no expert & have slept since i did this. Someone who has a better memory & more experience may see what I just said & laugh at me. I am sure about where it is, but the theory of why it needs trimmed may be all fuzzy by now. Someone will confirm or deny what I said.. surely. The pilot screw is hidden behind a small brass cap on the right side of the carb, if you sit on the bike, your right leg will be next to it. There is a tiny hole in the cap already I think, if not, it's still easy to find. Look at the rubber flange that holds the carb to the engine. The top of the carb where it enters that flange has a brass cap in about a 1/4" hole. With a drill bit that I had wrapped a bit of tape around so it didnt go too far in & mess up the head of the adjusting screw, I gently drilled a hole & then ran a sheetmetal screw in & pulled the cap with pliers on the screw. The main jet is in the bottom of the carb & is easy to change.The pilot doesnt always need changed & thats good cuz it can sometimes be stuck, Are you planning on changing the exhaust? I have no idea what the stock jets are for your year model, some of the older bikes werent set up so lean,, maybe you dont have a lot of work to do,,
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