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  1. J

    For Sale - Free XS400 parts!

    Anyone in Southern California want XS400 parts? I have almost 2 complete engines, a set of carbs, a wiring harness and bunch of other random stuff. Need it out of the garage. Come and get it.
  2. J

    For Sale - 1977 XS400D and many extra parts!!

    Hello everyone. So I am kind of feeling this out. I have a 1977 Yamaha XS 400D that I am considering selling. I did my own little resto-mod on it. It ha a RD400 seat, drag bars with bar end mirrors. Motor has been rebuilt, all new seals, valve job, etc... It has a lot of new parts. Has...
  3. J

    Change the Head or wiring

    A couple weeks ago I posted a video of an engine knock I had in a newly rebuilt motor in my 1977 XS400. It was determined that there was end play in the crank that was causing the knock. At some point I may rebuild this motor with new bearings, but for now I just want to ride the bike...
  4. J

    1977 XS400D engine knock?

    So my 1 year resto-mod project is done. It is running, riding, titled and registered for the first time since 1982. It seems to run fine, but I am getting a tapping or knocking sound when I give it a little throttle. It doesn't seem to be affecting the way the bike runs, but before I ride...
  5. J

    Too much fork oil???

    Sooooo... I had a very soft front end, after reading some posts here I decided to drain what fork oil was in the forks and replace it with some 20w fork oil. So I drained the oil by undoing the drain screws and leaning on it until it seemed to be empty. Then I removed the top caps and added...
  6. J

    carb questions

    So I am close to being complete with my restoration on my '77. I have rebuilt the motor and fitted tin top carbs from a newer model on it. It is running, but I have been having issues with the idle. Initially when I got it started it idled normally, but after it warmed up a bit, the rpms...
  7. J

    Oil in starter motor

    I just took my starter apart because the gear was seized and the starter was full of oil. It's not suppose to have oil in it, right? I hooked it up to a charger and the motor still spins. :wtf:
  8. J

    Master Cylinder swap

    Does anyone see any reason why this master cylinder would not work on my '77 xs400D? http://www.ebay.com/itm/110833000440?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649 My bike sat for 30 years and the brakes are completly shot. I am rebuilding the stock calipers and already bought...
  9. J

    New Member 1977 XS400D

    Hello All, My name is John and I live in Burbank California. I recently purchased a 1977 XS400 with 5800 miles off of Ebay. It has not been registered (and I assume running) since 1982! I have already started to tear it down and plan on doing a full resto-mod. I plan on painting the...
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