Recent content by Myron

  1. Myron

    Trouble finding parts

    This place in the UK has lots of rubber and some cables. Keep in mind that the freight has to go thru customs and will take a week. https://sumorubber.com/
  2. Myron

    Xs400 no spark

    A coil has a ground bolt to chassis and two wires. One wire is 12v all the time with the key on. The other wire goes to the ignition points. There is some cool physics going on inside the coil. As I understand it, the battery side of the coil creates a big magnetic field and the points side...
  3. Myron

    What did you do with your XS today?

    My bike came without keys. I took it to a locksmith and he picked the lock and made a key.
  4. Myron

    Idle RPM climbs at stoplight.

    All good points, Thanks. I did look through the carburetor and got everything moving correctly. I found the problem was the carb synchronization. First I put a vacuum gauge on the right carb and found it was bouncing around zero. When I put it on the left carb it was about 30. I didn't have a...
  5. Myron

    1978 xs400 motor issue

    I usually work on car engines, and on a car I would have it bored out and buy an oversize piston. Maybe they don't do that with bikes?
  6. Myron

    1978 xs400 motor issue

    There is a pdf of a Haynes manual in the tech section of this forum. page 25ish.
  7. Myron

    Idle RPM climbs at stoplight.

    I have a 1978 XS400E all original. The problem is that when the engine is hot, it will not idle down unless i use the brake. I can be cruising along and take my hand off the throttle and it will stay at speed until I brake. Then the engine will slow down. And often waiting at a stoplight it...
  8. Myron

    1978 xs400 motor issue

    I suspect stuck valves. It happened to me once with a lawn mower. I broke the camshaft.
  9. Myron

    Comment by 'Myron' in media 'IMG_20210921_124247'

    I just got it Saturday and it had been in a barn for over 30 years.
  10. Myron

    For Sale - Parting out a 1978 XS400

    I might need a seat. But I want to see if it will run first.
  11. IMG_20210921_124247

    IMG_20210921_124247

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