xs1b

  1. Rhy650

    1971 Build for Dad

    This post will document the completion of an XS1B restomod. To anyone new to this thread, I am finishing this bike as a tribute to my Dad who passed away from pancreatic cancer in late 2020. He had two bikes in progress - a 1980 that I recently “finished” and this 1971. Of the two, he was far...
  2. 2XSive

    Look what followed me home

    1971 XS1b with 3,800 original miles. Have the green title in hand from when it was last purchased in 1974. Been looking for a 71 or 72 for quite awhile and this popped up on Craigslist for $500. I happened to be the lucky first caller. His phone was ringing like crazy. It will be a complete...
  3. ekestle

    Sold / Found / Inactive - Tach

    Looking for 1970-1972 XS650 tach. Green and yellow indicators. At very good condition.
  4. TwoManyXS1Bs

    Reinforcing gussets on early XS1/XS1B engine cases

    Just a pet project I'm working on. Trying to track down when the reinforcing gussets existed (behind the left rear cylinder stud). This chart shows what I've been able to determine so far. XS1/XS1B engine case revisions by serial number 1970 XS1 S650- 000101 - Rev-0 case, no reinforcing...
  5. 650Skull

    XS1-TX Headlight Bucket

    Picked this up years ago, thought it looked way better than the 74-83 buckets, and didn't realize it was from the early models until a thread on these early buckets came up a few months ago........Had a look, (in storage), and low and behold........ Had a squiz around ebay and saw another...
  6. S

    XS1B oil in cylinder

    Hi; I've trying to bring an XS1B back to life. And lately been fighting with the engine and carbs. On idle the bike is excellent, starts first kick cold or hot, and holds very low rev with no apparent problem. I believe that if i left her on idle with the gas tank full, she would burn it all...
  7. S

    Wanted - XS1B BS38 carburetor bowl

    Hi; Just run in some bad luck, pilot screw is so seized, i'm unable to take it out. Now it has a screw extractor broken inside. I think it has no salvation. So I'm looking for a carburetor bowl, for my XS1B, late model; It's like the one in this thread ...
  8. J

    For Sale - 1971 - XS1B - Parts - Have Original Title

    I have a 1971 Yamaha XS1B. It has been chopped up (I know its a sin to even mention this. I didnt know the rarity of this bike before cutting... lesson learned). So the frame is no good. I have sold some parts off of the original bike like the seat, mufflers, handlbars, fenders. Stuff I...
  9. J

    XS1b engine smoking badly!

    Hey there, picked up a 1971 XS650 (XS1b) last summer and have been having trouble getting it started. When it does start (kick start only, although it does have an electric as well), it smokes horribly, more on the right side than the left. Compression on the right is ~190, Left is ~90psi...
  10. 1971XS1inOKC

    Feeler: how much should I expect to get for my 71

    Looking at possibly selling my 71 to finish another project I have going. It has original sidecovers, original tank, original shocks, and lots of chrome. Bike has 12k on it, clean title, and kicks over first time. Rear fender has been modified for a cleaner look (in my opinion) front fender is...
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