Recent content by Mike Mattia

SOLVED; if you have this problem check your kill switch. The module that is the switch was corroded.

Hey all, ive got a 1978 xs400 that has power to all lights, horn, high and lowbeam, no blown fuses. I removed the dash, aswell as removed the starter solenoid and deleted the starter motor. I took the entire bike down to the frame and removed the harness to paint and weld a hoop in. When i put...

Lost cylinder is due to a severely rich condition. Without the vacuum line attached I'm the right side it picks that cylinder back up. Im at the point where I'm now looking to toss these overly complicated and finicky CVK style carbs. Does anybody know of any flat slide or round slide carbs that...

The pilot jet is kind of confusing me. There's a jet covered by a flathead next to the main in the float and another jet on the air intake side of the carb. What am I looking at?

so ive got a 1978 xs400E thats having some issues, not sure if they are all related. i have a parts bike which is all there. ive already swapped the engine out of it and put it in the working bike. the previous engine was smoking and singing like a song bird in the bottom end. these problems...

Thanks for the reply guys. Reassuring at the least. Newhavenmike, could you define "running like crap"? o_O

Here is a Video of mine running. Is this healthy?

Hey there. New to the XS world. Wondering if anybody could point me in the right direction. Im Wondering if xs400 engines are naturally loud mechanically. Mine is making some cam chain noise it would appear, aswell as a touch of bottom end knocking when cold. It would be great of everyone could...