Recent content by John C Hannah

  1. J

    Surging idle on choke. Not running without.

    Ok so I have two carb sets and switched back to the carb with stock pilot jets. I have stock exhaust. Stock air cleaners. I'm 3 turns out on the mix screw. And when I start it the idle still surges on choke. I was able to start it without choke eventually. And the idle seemed smoother but as...
  2. J

    Surging idle on choke. Not running without.

    The pilot jet is a 45 . I made a typo
  3. J

    Surging idle on choke. Not running without.

    The pilot jets are sized up to 145. With stock exhaust and stock air filters. 3 turns out on the mix screw. When full choke It runs super high rpm. When I take it off choke it dies. I feel like it's running lean. Any ideas ? Is the pilot screw too big ? The pilot jet is not blocked. It was...
  4. J

    Surging idle on choke. Not running without.

    The pilot jets are sized up to 145. With stock exhaust and stock air filters. 3 turns out on the mix screw. When full choke It runs super high rpm. When I take it off choke it dies. I feel like it's running lean. Any ideas ? Is the pilot screw too big ?
  5. J

    1979 XS400 build with Mikunis -- carb advice needed

    The paper inside is starting to tear. My question is also, when I got the bike the pilots seized so I had to destroy them to get them. I replaced them with a size bigger and I feel like the bike doesn't pull as hard as my other Xs400. Do you think using uni pods without the H pipe might justify...
  6. J

    1979 XS400 build with Mikunis -- carb advice needed

    Do you have a part number for the uni filters you would recommend? They fit with the stock battery box on the H pipe? I saw on another post you cut the flange out of the a stock pair of filters.
  7. J

    Free - 1978 XS400 plus parts

    Wow this bike is super clean. You could probably sell this for a good amount. Especially in California. Everything cost more there .
  8. J

    Can I use a 1978 front brake caliper in a 1981 sohc

    My piston was seized so I ordered a used brake caliper form eBay, but it was a 1978 caliper (oops), the caliper still mounts to the bike, is it still compatible?
  9. J

    Wanted - Headlight ring and mount ring

    I actually just went ahead and bought a new head light ‍♂️. A brand new bucket and all the mounting rings wasn't much more than replacing the stock hardware , and I already had the bulb.
  10. J

    How to make the tires the same height.

    5.0 inches into mm is 127 4.5 inches into mm is 114. Would they make a tire that is unsafe ?
  11. J

    How to make the tires the same height.

    The look. I got a stock 400. I picked this one up for 200 bucks in rough shape so I figured I'd have some fun with it. I'm sure raked out front ends and hard tails aren't good for handling either, but it sure looks cool. What if I take off the chain guard. Would there be an issue then?
  12. J

    How to make the tires the same height.

    This is the one I have at the moment
  13. J

    How to make the tires the same height.

    It has mags, I plan on raising the rear seat hoop and fender.
  14. J

    How to make the tires the same height.

    Thanks Leo, you're about to be a Guru on Both websites! Let me ask you this ; would there be any adverse effects from putting a 5.0 tire on a 16 inch rim, that does seem awfully tall.
  15. J

    How to make the tires the same height.

    I'm trying to make the tires the same height I know the front is 18 and the rear 16 I was going to do 4.0 -18 in front And 4.5-16 in the rear Would that work?
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