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Starts easy with choke.

Put the stock air boxes back on and same problem. Checked the plugs for spark and they’re the same. Both plugs look great.

I put the UNI foam pod filters on the bike but it ran fine until now. No change to the jetting. I'm probably better off putting the stock airboxes back on right...

Thanks Mike, I'll check the plugs when I get to the garage on Thursday.

Hey All, I'm at my wits end with this problem: When bike starts cold everything runs perfect. The bike holds idle, both cylinders run strong (as felt by strong exhaust from pipes), everything sounds perfect until the bike heats up. After 15-20 minutes or so the engine stops running smoothly and...

Hey everyone: I have a '78 XS400-2E that will only run with the choke on. I took the carbs completely apart with the exception of 1 pilot jet that is stripped (which I ordered replacements), and both emulsion tubes which are stuck in place. I've tried additional heat to get them out with no...

I'll do $40, just looking for something to learn how to take apart.

I'm interested, how much are you looking for?

Looking for some help with my '78 XS400-2E locally, any info would be awesome. Thanks!

Need a set of carbs for my '78 XS400-2E. Looking for set in decent shape to rebuild and install.Thanks!

Hey everyone, I have a new problem with this bike: Recently when I start up the bike the headlight works but then after it's been running for a few minutes bothe the headlight and flashers no longer work. Is this an alternator problem or maybe something else? I don't really know where to look...

Hey everyone, this is my first bike so I'm full of questions about it. I have a problem with the shift lever, it won't stay in the correct position and keeps falling down way too low to be useful. I tried tightening the pinch bolt and moving the lever up but it still keeps slipping down. It...