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I'll post some pictures. The ones that were on it were shorter. However the length of the section with the baffles are the same. the additional length is in the front and it is hollow. It ran with the ones that came on it when we bought it. I have another question. If I were to use a clear...

"F" - that's what i concluded. So the manual states the following for stock jets; Main = 132.5 Air = 45 Jet needle = 5Z1 Needle clip position = 3rd groove Needle jet = X-6 Pilot jet = 42.5 I know the pipes are not stock. But not really anything special. Just replacements. See any reason why...

I've been trying to verify the model so I can check for the correct jets in the carbs. I find 2L0 105077. I found one website that states this s 1979 XS 400 F. But when I look in the Haynes Manual I have many of the part descriptions do not contain a 400 F. Does anyone have any direction?

Thanks for the advice. I took a look at the needle jets and diaphragm. Things look good. Thinking the issue must be related to the work I've done. Went back and adjusted the valve clearances. Too much in fact. Could hear them clattering. But both plugs looked loaded up. Slept on it and rest...

OK. So I finally got around to verify the compression. I picked picked up a new gauge and don't recall if I has the throttle open the first time. Now I'm getting 140 psi consistently. That's good. Bad think is I'm back to where I started. Why is the LH very lean and RH rich? I plan to check...

Hi All, I'm new to the "forum world". Forgive me is as I learn the process. So I'm working on a 79 XS 400. The LH cylinder had a real bad plug cross headed. I removed cover and inserted helicoils in both sides. Lapped the valves and put it all back together. I checked the valves with...