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So i wired up the xs 650 with a solid state regulator/ rectifier i bought made by Procom for points ignition systems. Model ESR350. the bike wasn't charging the battery so i began testing. one test told me to ground the green wires from the solid state to see if the battery voltage jumped up to...

i've been working on my 1977 yamaha xs 650 and had it running many times before and it used to run good. i recently just put new coils and a TC bros chopper wiring harness on it with a solid state regulator/ rectifier made by Procom engineering. it still has spark even after i put these...

so i have the thing idling fine. when i give i rev it up the thing sometimes randomly dies. and im not talking it sputters or slowly dies. it just dies. when it does this i will go to kick start it again and it wont fire up. its almost as if someone were to shut the thing off by the key or it...

So i have my 1977 xs650 and i hooked up the clutch cable and lever and when i pull the clutch when the thing is in gear the transmission gear doesnt move like it should since it is in neutral. i dont have a chain on it and the thing is not running when i am trying to spin it as i have the gas...

i just got my xs 650 running and was wondering if the valve covers should be hot or not. currently when my xs is warmed up they are pretty hot and my bike is smoking white smoke but i do have too much oil in it too i noticed i havent had time to drain any out either. is too much oil where the...

i just rebuilt the top end on my 650 and was ready to start the engine. i hooked up the battery to ground on the starter, and the positive wire to the brown wires on the two coils, and the left coils orange wire to the grey wire on the left points, the right coils orange wire to the orange wire...

so i just rebuilt the top end and hooked aq battery and have spark. i am now trying to time it. i hooked up a test light to the grey wire (right cylinder) and when i turn the engine over counter clockwise the points touch and the light lights up at what looks to be 180 degrees from where it...

im installing cam shaft bearings and ive never done this before on my 1977 xs 650. my question is am i supposed to slide the cam bearings on all the way until they are touching the cam lobes? ive heard of some people saying this but it doesnt seem right. wont the bearings get worn down or maybe...

can anyone identify what these two o rings are? they came in the premium athena gasket kit from mikes xs and i dont know what they are for... i have tried searching and i cant seem to find it. they are the same size too.

i ordered carb kits for my xs 650 from mikes for a 1977 carb and the jet numbers dont match up with the original numbers from the ones i took out. the new jets have bigger numbers. does this matter for how the bike will run? or is it not a big deal?:confused: