xs400 1978

  1. W

    XS 400 Shop Fees/Diagnosis Costs

    Hi All, I posted awhile back about my XS400 that wasn’t running - followed the advice on my last post and actually got the bike to run. The bike is not in the best shape (some idling issues) but I have rode it about 4 times now and it seems to run well. I dropped it off at a shop just to have a...
  2. Backroads

    First Bike - Let's see what we can do!

    Hey everyone, new member here. I just recently picked up a 1978 Yamaha XS400(f?) for a steal with a clean title and Haynes manual included, and found your site. After trolling through threads for a couple days I figured I should post my own. I'm pretty mechanically inclined and want to do as...
  3. butterbeats

    1978 XS400 need cheap generic petcock that fits??

    Hi xs400ers, any ideas on compatible petcocks such as 1978 xs360 that will fit my 1978 xs400 fuel tank. Ebay prices for preloved units are a little too much....anyone had any success with substitutions?? thanks BB
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