Recent content by nuke

  1. nuke

    Wanted - Looking for a xs400se manual

    https://www.dropbox.com/s/enps8gqkyzso50e/Yamaha%201975-1984%20XS250-360-400%20Haynes%20Manual.pdf?dl=0
  2. nuke

    Rewire of electrical installation '81 SE

    Thanks a lot for the answers - helpfull all of them! I'll post here for the electro and there is a build thread that I've not updated from looooong ago, but will do soon. There are a lot of updates for it. :) It is here: http://www.xs400.com/threads/new-one-here-probably-brat-cafe-build.16989/
  3. nuke

    Rewire of electrical installation '81 SE

    Now reading the schematics new questions appear. There are few symbols that are a bit unclear for me, so: - Apparently the RH rear turn has only + cable and uses grounding by the chassis mounting bolt. However, what is this other grounding (the other red arrow)? - I suppose that these two are...
  4. nuke

    Rewire of electrical installation '81 SE

    Thanks mate. Will definitely check them :)
  5. nuke

    Rewire of electrical installation '81 SE

    Hi mates. I'm going to rewire my XS400SE '81, BUT I'm not able to find a supplier for the cables. Any ideas for supplier in Europe will be highly appreciated. I've found a couple of distributors of tme.eu in Bulgaria (I'm from here), but all sales are for 100+ meters, so ... doesn't work.
  6. nuke

    Electrical system change - cables sizes?

    Thanks a lot. A great topic!
  7. nuke

    Electrical system change - cables sizes?

    Hi guys. I'm about to change the entire electrical installation of my XS400SE ('81). I was trying to find some info on the size of the cables, but wasn't able to find such anywhere. In Hynes is not written, too. Using some calculators online it appears that for the headlight (50Watts on 12...
  8. nuke

    Speedometer Calibration help

    What speedometer did you get? I'm searching to change the original one and still in doubt.
  9. nuke

    81 xs400 rings and pistons.

    I'm currently in the rebore process. So far - 270Euros for pistons, rings and bolts +0.25 (first oversize) and probably around 50Euros for reboring and honing, still waiting the price. I was low on compression - 9.0 bars (under the limit, but working). Tried with hone and the old rings (bought...
  10. nuke

    New one here ...... probably brat/cafe build

    Hi again. It's been a while ..... more than a month :( But, a lot of things are done. :) The engine is removed and opened entirely. Here some pics of it. To be honest, things doesn't look very good. Probably never cleaned around the front sprocket and below: The back and the right side were...
  11. nuke

    Question about change of gearing

    And to be in help of others that are interested in the topic, here are few links that I've found useful: - http://www.gearingcommander.com/ - quite useful for calculating different front/rear sprockets and chain length - RPM change, speed change, same tooth - same link calculator (at the...
  12. nuke

    Question about change of gearing

    @NewHavenMike, thanks for the info. I did a bit of reading, still not an expert on the subject, but it appears that this is more relevant when speaking for directly working gears. In the case of a chain it's not such an issue. What I've been able to find for chains is that the chain must not be...
  13. nuke

    Question about change of gearing

    @NewHavenMike, I've not heard about such requirement for odd/even gears. Any references? @xschris, I'm 100kg and I need a lot of torque to start moving :D :D :D :D Are you using standard chain or any kind of O,Z,X, etc. rings? I'm thinking to take the DID 50 530 chain -...
  14. nuke

    Question about change of gearing

    According to Haynes the stock gearing of XS400SE (4G5) is 16/36 (I bought it like this) with rear tyre 120/90 R16 (I bought it with 130/90). I'll use 130/90 R16 (need the same diameter in front and rear) and after a bit of calculations with https://www.gearingcommander.com/ I'm thinking about...
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