phatman1969
XS400 Enthusiast
Newbie here, this is a great forum and I appreciate all the free advice. This is my second xs400, had one a while back and when i saw this one on craigslist I had to buy it. It is 1982 XS400K DOHC. Ok, got the carbs clean today. Bike now runs well up to about 5000 rpm and then starts popping a bit and losing some power. Let out of the gas and when the rpms come down gas it again same problem around 5 and above. I bought it with the pod filters on it, and the pipes cut.No idea what jets are in it. I have been playing around with the screws, thought I had it dialed in.Not sure what to do next. Any help out there?