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you could find a '78 or '79 18" disc hub wheel and get spokes and nipples sized correctly for your existing 16" wheel drum hub and lace it to the 18" rim....

I did the same on my 81 Special II. What I did was go to this old shop called Wheel Works (not the chain store) in Hayward here in CA and got an NOS rim from the Chris the owner, I cant remember the manufacturer but it wasn't a Yamaha rim but it looks very similar. He got me a set of spokes and...

Thanks for that tip, Drewpy. I looked it up and it all makes sense so I'm gonna give it a shot!

So, what does that process do exactly? It seems like if it is in gear it would cycle the engine and still allow fuel/air to flow but no spark, right?

I got my bike out on some "closed course" test riding yesterday and it was awesome! Its an '81 with chopped headers and emgo pods on the stock carb rubber manifold intake. I cleaned and rebuilt the carbs, it starts on one or two kicks and idles well. I haven't rejetted the carb or changed...

Thanks to the direct and indirect help from the fine folks on the this forum, my beast is running smooth... It was exhilarating riding it down the block and back, not just because it runs so well but because it was so illegal! It's still non-opped and it's not insured anymore... gotta get on...

Thanks so much, bc! You have been very helpful with this issue. I don't know anything about my main or pilot jet sizes. They are stock as far as I know. I will have to do some reading and find out. I have experimented with idle mix screw settings from 1.25 to 2 to 3 to 3.5 turns and didn't...

bcware, I have emgo pod filters which may be part of the problem. As in the "emgo pods 'bad' " thread, I put them on the end of the stock H shaped filter to carb rubber manifold thingy like the picture someone posted. I haven't started it yet in this configuration. We'll see in the morning...

Thanks only but I just made a breakthrough... holy crap , I'm an idiot! I just took the bowls off to check and reset the float height and I found that I had reassembled the floats on upside down which kept fuel from filling the bowls. I flipped them and set the float height and when I primed...

Hey all, I have an 81 xs400 and I just thoroughly cleaned the carbs, checked the diaphragm, blasted everything out with compressed air, I have new carb holders, charged battery, pod filters, I can get it to fire with starter fluid but it won't continue on fuel. I checked the petcock. It...

Thanks for all the responses, This bike will move (and stop) sooner than later!

Hi all, I'm new to the forum, actually, to forums in general. This is the first forum I have ever joined. I did so not just because I have an XS400 project with issues but because I was reading through the responses to others' questions and it seems like a really great group of people make...