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  1. X

    Stretched clutch cable? Adjustment issue

    Ah good to know. Thanks!
  2. X

    Stretched clutch cable? Adjustment issue

    Well, I managed to get the lever action closer to the handlebars. I think it's ok now.
  3. X

    Stretched clutch cable? Adjustment issue

    Hey all, I took the xs400 out yesterday for it's first shake down run after installing new tires and doing some maintenance over the winter months. All is well but I need to adjust the rear brake and the clutch. The issue is that the clutch is disengaging right near the end of the lever travel...
  4. X

    What did you do with your XS today?

    The ol' gal was fitted with new tires, which had not been done in over 25 years!! I did some work over the winter and she's ready to hit the road. Bike has spent the last 25 years mostly in a garage. Aim to change that this year. Started up with first push of the starter button after winter...
  5. X

    pilot jets - thread locker?

    Boy do I feel foolish. Thanks guys. The pilot jets are nice and snug now and I've located the idle mixture screws.
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    pilot jets - thread locker?

    Sorry, snug them tight? Don't these have to be about 2 turns from snug? I find the pilot jet moves a bit too easily when I turn them, and I suspect vibrations will cause issues with them backing out.
  7. X

    pilot jets - thread locker?

    Hey guys, The pilot jets in my carb are a bit loose, and vibration has cause one of them to back out a bit. Is it ok to use a thread lock/sealant on these? If so, what is recommened? Any alternatives? These are new pilot jets, recently installed. Thanks!
  8. X

    New fork oil, suspension still soft, 81 xs400

    Yes, that's partly what I figured, and thanks for the detailed write up. In truth, I wasn't so much interested in track performance, but wanted to be sure there wasn't a safety issue. I don't want to spend a ton of money on this bike, and just want to have some fun cruising some country roads. I...
  9. X

    New fork oil, suspension still soft, 81 xs400

    The front brake is quite sensitive, so perhaps adjusting it some will limit the nose diving. I will take a video of what I'm experiencing. I don't have much experience riding, but I still believe the suspension should be stiffer.
  10. X

    New fork oil, suspension still soft, 81 xs400

    I haven't had the forks bottom out, but a touch of the front brake and you get significant diving. Maybe the stock setup is just crap? How much more oil should I try first? I hear some sloshing around when I push down on the suspension. Not sure if that means anything.When you say get the...
  11. X

    New fork oil, suspension still soft, 81 xs400

    We've had this bike for 25 years and I can say that the suspension has always been like this. Since it's spent most of it's life in the garage, I never looked into it. Now I'd like to get this thing on the road. Should I try adding a bit more oil before I go to 30w? I measured precisely 142cc's...
  12. X

    New fork oil, suspension still soft, 81 xs400

    Hey guys, I recently changed out the fork oil in my 81 xs400 and the suspension is still very soft. The springs look fine. They stick out the top considerably and took quite a bit of force to compress them. I used 20w synthetic fork oil, as recommended, and filled the forks with 142cc's, as...
  13. X

    For Sale - Parting out 81 XS400

    PM sent. :)
  14. X

    Anyone prefer original Buckhorns?

    I have the "buckhorns" on my bike. I'm 5'11 and have back problems, but I find the handlebars and seat position make it an overall comfortable bike to ride.
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    Starts great, runs ok, but tops out at 80 KM/h

    So I pulled the carbs. Right side main jet completely clogged and left side partially clogged. Float height seems to be 19mm. Remember these are the plastic floats. I read somewhere that it should be around 22mm? Can someone confirm?
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    Starts great, runs ok, but tops out at 80 KM/h

    Compression test results on cold engine: Left: 145 PSI Right: 155 PSI The right side looks to be running rich. The left plug looks tanish, leaning towards white a bit.
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    Starts great, runs ok, but tops out at 80 KM/h

    Hey all, The XS400 has been stopped for some time. We routinely start it up but yesterday was the first time in a long time I actually took it out for a stretch. The acceleration seemed a little sluggish at first, but after about 10KM of riding, it seemed to improve, however I don't think she's...
  18. X

    loose mirror - won't stay up

    Threw the mirror in the oven until it reached 250 degrees F. This was enough to soften the rubber around the glass, and I was able to pop if off. Behind the glass, there was a screw with a spring. The screw was bad and the threads in the stem were worn. I'm going to try to re-thread.
  19. X

    loose mirror - won't stay up

    Hey guys, The right mirror on my dad's xs400 will not stay in place. I believe it's the ball and socket style mechanism? Is there a way to tighten this so the mirror doesn't droop? I'm going to have a look at it tomorrow but figured I'd ask first. Thanks!
  20. X

    Rear brake light stuck on

    Most likely the front brake switch. Common problem, and my bike experienced this last year. Try pushing the switch in toward the lever to see if the light goes out. There are two tabs on that switch that hold it in place. They can become worn or break causing this problem where the switch...
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