rich

So I got everything running good but I just want to know what you think is a high engine temp and if the spark plugs look lean. After riding the bike for 20min and giving it some juice, the spark plug sensor is reading about 310 when its 88F degrees. Using a laser temp I was getting about 290...

Hey guys. So I just bought a XS 400 SECA from 1983. When I bought the bike it hesitated in the mid-range acceleration. I figured that it was just a carb adjustment. But no! After checking the spark plugs I found that the right sparkplug was very sooty (running rich) and the left was perfect...

I have been running the bike for a week now, '78 XS400. Just put 30 miles on today and wanted to see what you all think of what these plugs might be indicating. I can't tell for the life of me whether they're running lean or ideal or what, it's just something I haven't picked up yet, and the...

I've been reading this forum for about a month now. I've tried just about everything on this site so far but my bike still won't work. I have a 1979 xs400e (I think). All original everything. It was given to me after sitting for almost a year in the sun. I had ridden it and it ran great...

Hey everyone, I need some assistance. Here is the backstory: I rode the bike 55 miles 8 days ago. Ran perfectly fine, other than it backfiring quite a bit when I let off the throttle. Started the bike 5 days ago and let it idle, started and idled perfectly fine too. All that I have done to...

So I just got my bike up and running after giving the carbs a nice clean. However, there is obviously some adjustments that need to be made. Whenever I hit the gas the revs drop a little then go way up and stay up for a while. The throttle is EXTREMELY laggy (in other words). What's the deal...