noise

Greetings all, I've searched but not found any post about a loud medium-tone whirring noise after turning the engine OFF. 81 XS400H purchased recently, sat for a while but starts up on the 1st or 2nd kick. Yesterday as I was riding the normal engine noise seemed to get an octave louder and...

Howdy! I recently replaced the head gasket. Now I'm not sure if this is the average sound for a 79 xs400 or if it was making it prior. But it sounds like you can hear the chain almost rattle or the tensioner sliding across the chain?

So I just bought a 82 xs400sj special. It's been messed with before. My buddy (previous owner) had some work done on it at a local "shop" well the guy said he adjusted the valves, when he got the bike back it started making a terrible ticking noise coming from the cyl head. Now where do I go...

Hey Guys, Just wondering how normal this engine noise is? I moved my phone around a bit just to pick up the variety of the sound around the cylinder head. Increases with rpms all the way up through 5th gear at highway speeds. My dad's a harley mechanic and I sent him the video but I thought...

1980Xs400 Special Alright. So original owner swore it ran fine last Summer-October. Get it home, battery seems dead, so just charged it. Let it rest overnight, yada yada. Replaced, and it acts like it wants to start. Go back a few days later using a jump pack and almost the same thing, but it...