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Recent Activity

Activity stream for all registered members at Yamaha XS400 Forum.

  1. Jared salsano attached a file to the thread Another xs400 bobber..

    Little up date, my hardtail and gas tank came today. Just mocked up the hardtail, hopefully get to welding Friday after work

    IMG_20220815_192039.jpg IMG_20220816_194627.jpg Aug 16, 2022 at 7:05 PM
  2. Kitchi replied to the thread Reversed polarity when connecting new battery.

    Just a thought before you start buying replacement electronics unplug the regulator and try to see if the bike will run without the...

    Aug 16, 2022 at 4:26 PM
  3. BlueBrick replied to the thread Carburetor Problems BS34 1979 XS400.

    Thanks for the info! The float height was driving me crazy. The measure to the top of the float method just isn't all that accurate and...

    Aug 16, 2022 at 12:40 PM
  4. jprost98 replied to the thread 1981 Yamaha XS400H Won't Start.

    Yes, I have the originals. They are the Mikuni KOGYO I believe. I just ordered a rebuild kit last night for them and am planning on...

    Aug 16, 2022 at 7:48 AM
  5. Kitchi replied to the thread T4 Rotella for everything??.

    Good to know Thank you

    Aug 16, 2022 at 5:33 AM
  6. Houghton replied to the thread Reversed polarity when connecting new battery.

    Yes, agreed. It must be electrical. It was running OK before, though I hadn't fired it up for 9 months. At least I can point the...

    Aug 16, 2022 at 3:48 AM
  7. JPaganel replied to the thread Stripped oil screen bolt.

    Left handed drill bits. They can be hard to find - I've had guys at hardware stores get mad because they thought I was messing with...

    Aug 16, 2022 at 2:32 AM
  8. JPaganel replied to the thread 1981 Yamaha XS400H Won't Start.

    Are you sure they are correct carbs? Or that the carbs are any good? Do you have originals?

    Aug 16, 2022 at 2:25 AM
  9. JPaganel replied to the thread Oil Filter Cap - trying to find a replacement - very hard to find.

    I think you are going to have a tough time with this... It looks like it is specific to DOHC XS400 and no other bikes used it. Some...

    Aug 16, 2022 at 2:24 AM
  10. JPaganel liked Kitchi's post in the thread My success in repairing a TCI box.

    This is my diclamer this is what i did and it worked for me. If you do the same and it dose not work or the magic smoke is released...

    Aug 15, 2022 at 10:21 PM
  11. JPaganel replied to the thread Carburetor Problems BS34 1979 XS400.

    2mm below the gasket sealing surface. Meaning, you are measuring off the carb body, not the gasket or the bowl. Carb bodies are the...

    Aug 15, 2022 at 10:20 PM
  12. JPaganel replied to the thread T4 Rotella for everything??.

    Rotella meets the JASO-MA oil spec. (Actually, probably JASO-MA2) And that's the spec you need per the manual.

    Aug 15, 2022 at 10:13 PM
  13. CaptChrome attached a file to the thread 81 XS400H – putting the Trusty back into Rusty.

    Lately I have been removing more rust. [ATTACH] The wheels and fenders are now done and some odds and ends along with the center stand...

    Wheel rust bath.JPG Fender paint2.JPG Aug 15, 2022 at 7:36 PM
  14. Ilovemountains replied to the thread For Sale - Make offer 78 xs400 parts.

    Its a long shot but do you still have the seat?

    Aug 15, 2022 at 5:50 PM
  15. Kitchi replied to the thread Reversed polarity when connecting new battery.

    I said it might be toast. all you need is 3 things for your bike to run. 1. fuel and air mixture 2. compression 3. spark at the right...

    Aug 15, 2022 at 4:25 PM
  16. James Gelinas replied to the thread New owner '84 MAXIM XS400.

    OK. So I need to find a more level surface for the oil gauge. I clearly can't read it right. If I have to I'll drain out some of the...

    Aug 15, 2022 at 12:48 PM
  17. BambinoFan liked MoonClipper's post in the thread Starter won't stop.

    Make sure the solenoid is upright. Some of the cheaper Chinese solenoids will close when on their side/upside down. I know this from...

    Aug 15, 2022 at 10:58 AM
  18. jprost98 posted a new thread.

    1981 Yamaha XS400H Won't Start

    Hello everyone. I have read through a couple of the other threads about the XS400 not starting, but I can't seems to find anything that...

    Forum: The Garage

    Aug 15, 2022 at 10:41 AM
  19. Houghton replied to the thread Reversed polarity when connecting new battery.

    Many thanks. Are you saying the electronic ignition is kaput or the bike itself? I saw a NewTronic pack is available at yambits, though...

    Aug 15, 2022 at 10:17 AM
  20. MoonClipper replied to the thread New owner '84 MAXIM XS400.

    I don't remember if it was mentioned, but you can pop open the little plastic cap (use a flathead screw driver) on the left side of the...

    Aug 15, 2022 at 1:06 AM
  21. MoonClipper replied to the thread New owner '84 MAXIM XS400.

    When you do the brake job I would swap for a braided brake line, it's a upgrade I've been putting off for way too long. Looks like...

    Aug 15, 2022 at 1:03 AM
  22. James Gelinas replied to the thread New owner '84 MAXIM XS400.

    Finally, there's a definite squeal to the front brakes. The brakes work just fine. But I see a brake job coming in the near future. I'll...

    Aug 14, 2022 at 10:51 PM
  23. James Gelinas attached a file to the thread New owner '84 MAXIM XS400.

    Some additional images. You'll note its missing a faring panel on the left side. Also, I'd expect some kind of support for the exhaust...

    20220814_200213.jpg 20220814_200225.jpg 20220814_200236.jpg 20220814_200242.jpg Aug 14, 2022 at 10:45 PM
  24. James Gelinas replied to the thread New owner '84 MAXIM XS400.

    Here's some photos and short vids. I added some oil and took the bike out for three hour ride today. Hit some roads and did some...

    Aug 14, 2022 at 9:01 PM
  25. James Gelinas added new media 20220814_121125 to '83 Maxim400 status Aug '22

    20220814_121125.jpg Aug 14, 2022 at 8:49 PM
  26. James Gelinas added new media 20220814_121106 to '83 Maxim400 status Aug '22

    20220814_121106.jpg Aug 14, 2022 at 8:49 PM
  27. James Gelinas added new media 20220814_115834 to '83 Maxim400 status Aug '22

    20220814_115834.jpg Aug 14, 2022 at 8:48 PM
  28. James Gelinas added new media 20220814_115824 to '83 Maxim400 status Aug '22

    20220814_115824.jpg Aug 14, 2022 at 8:48 PM
  29. James Gelinas added new media 20220814_115813 to '83 Maxim400 status Aug '22

    20220814_115813.jpg Aug 14, 2022 at 8:48 PM
  30. James Gelinas added new media 20220814_115717 to '83 Maxim400 status Aug '22

    20220814_115717.jpg Aug 14, 2022 at 8:48 PM
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