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  1. J

    Muffler install

    I have an 81 Special and the PO did sloppy drilling of stock mufflers. Since they are in pretty bad shape, I want to install aftermarket mufflers. I read a lot of post on this subject and I am a bit confused about the double pipe. I am not new to XS650 as I have owned three over the years and I...
  2. J

    Clutch slippage?

    I have read many post on this forum about slipping clutches but haven't found my answer. I have a 1981 XS650 Special with only 5K miles on odometer ? ? Although I have no way of verifying mileage is correct, condition of bike suggest this is correct. One reason being tires are original with...
  3. J

    Clutch recommendation

    When I first got the bike running, I didn't notice a lot of slip but it had running problems. I didn't change oil because it looked like fresh oil with no discoloration. I removed and cleaned side filter screen and it had very little contamination. I didn't remove and clean sump filter because...
  4. J

    Clutch recommendation

    I finally got my 81 Special running and clutch is slipping but not bad. I found many different brands but unsure about what brand to purchase. Is there a particular brand of clutch that is recommended for an 81 Special ? Adjustments have been done.
  5. J

    Changing BS34 to BS38 carbs

    My 81, with BS34 and single petcock, has a split single fuel line feeding both BS34. Is there any reason I can't just use that?
  6. J

    Changing BS34 to BS38 carbs

    What year BS38 intake manifolds had vacuum pipe for petcock?
  7. J

    Changing BS34 to BS38 carbs

    I have a set of BS38s off a 1976 xs650 and have rebuilt them. I plan to replace the BS34 on my 1981 xs650 Special. I know I will have to change intake manifolds and would like to know what else I will need in addition. Any help would be appreciated.
  8. J

    Fuel Line I.D.

    This tubing is clear and was roll remnants from a chemical lab, that went out of business. As suggested, I cut a small piece and submerged in gasoline, so will have a better analysis in a day or two. I am changing from BS34 to BS38 on my 81 and would like to use new fuel line. Might be smarter...
  9. J

    Fuel Line I.D.

    I was given a couple of small rolls of clear tubing that has no markings that I can see. Anybody know how I can determine if it is Tygon Tubing?
  10. J

    My Yamaha XS 650--several

    I have owned four XS650. As a matter of fact, I bought the first one my dealer got in in 1969 or 70. Loved that XS and rode it many years until I bought the first 750 triple my dealer got in. I have rode, repaired and sold many motorcycles over about 60 years and I have always loved Yamaha. With...
  11. J

    Drum brake?

    Yes, I am in agreement that it is a 1981--no problem with that. My confusion is related to 1980 and 81 not have side tool box, but appears that mine has two of the mounting points. From inspecting photos of some boxes, it appears that there is a top mounting point and if not on air box, can...
  12. J

    Drum brake?

    Why does photos post twice ? ?
  13. J

    Drum brake?

    Help me figure out what I have--- Here are a few photos--double checked frame tag on neck and it states November 1980
  14. J

    Drum brake?

    Upon further inspection, Looks like the lower mounting screw is present, rubber bushing on rear for protruding tool box stub, and the wire loop on left are all present. Looks like top right mounting tab, attached to lower outside of air box, is missing. This suggest a change of air box at some...
  15. J

    Drum brake?

    No, its missing along with side covers. Overall, pretty decent for a bike this old. I would like to get the covers.
  16. J

    Drum brake?

    Just checked and signed Bill of Sale stated 1980 but title is 1981 and frame tag says manufactured November 1980. Thanks for the clarification.
  17. J

    Drum brake?

    Here are a couple--
  18. J

    Drum brake?

    I have a 1980 XS650 Special with rear drum brakes. Is this rare or just early production?
  19. J

    New Member--first question

    Just makes me wonder what they were originally on and what their purpose was.
  20. J

    New Member--first question

    Here are a few photos---
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