Search results

On my 81 xs400 special, I have 2 factory mikuni carbs. Thing is, it was running rich but still managed to score the plugs as if it were lean and rich. Cruising speed was a no problem. But anything over 35-40mph at around 1/8 to 3/4 throttle seemed like the bike had to catch it's breath before...

So my 81 400 special will run and take off like a rocket in town but on the highway in 5-6th gear around 4500-5k rpm it boggs down and I have to drop down to 4th and get back up to 50mph and ride it out. I feel as if it's either not getting enough air or not enough fuel. If I hold the throttle...

I have a 81 xs400 special, sohc. For some reason my flashers don't work sometimes. I've checked my fuse box, changed fuses and even switched the connectors around to see if it was the fuse box. It's not, I've checked the plug-in connectors that go from the fuse box to the rear signals and they...

Today I replaced my clutch friction plates, springs, and steel plates in my 81 xs400 sohc. But somewhere along the lines I lost compression.. like I can't even find the compression stroke using the kick start. All I did was drain the oil, sump and take off the clutch cover to access the clutch...

I just bought a 81 xs400 special about a month ago. I have no clue if it's a sohc or dohc as i have not dug into it yet. But the point of this post is that my oil 1.) Reaks of gas 2.) Had almost 5 quarts of oil in it before changing oil. Somewhere on the site I read that my bike requires 2.4q...