Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Enjoy XS400.com?Consider making a donation to help support the site. XS400.com receives a small share of sales from some links on this page, but direct donations have a much greater impact on keeping this site going.
So I adjusted the valves and now it won’t start unless the throttle is held open a little and when it does start it’ll idle pretty roughly and when trying to rev it bogs down for a few seconds(while backfiring out of the left cylinder) then the rpms will fly up. Could the timing be off? I don’t...
The bike is 1978 SOHC with 17k miles. So I removed the cylinder cover to fix a massive oil leak, after I reinstalled it the bike refused to start unless I held the throttle open and when revving it backfires heavily. Could the rocker arms have fallen out of adjustment? Any advice would be...
hey guys, First time posting here. I've had my 1978 XS400 for roughly 4 months and I noticed this morning that I had no headlights or cluster lights. They were working last night and I had nothing today. So I if there is a relay where is it? And what other things could cause this?