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  1. TwoManyXS1Bs

    The 2021 and 2022 Texas Fandango

    This kinda snuck up on me, so short notice. This weekend, already a lot of bikes in town. https://thetexasfandango.com/ Scampered over there for a quick scouting mission. The 20 acre camping area is almost full. Bike parking area.
  2. 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...
  3. TwoManyXS1Bs

    What on the XS650 is non-metric?

    Okay, trivia buffs. Your monthly challenge. List specific parts and their dimensions. Let the brain juices spew...
  4. TwoManyXS1Bs

    Yamaha XS1 Prototype pictures

    Found a Japanese Motorcyclist magazine, May 1969, on eBay. https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F264365610598 The seller posted pictures of an article on the XS1 Proto, possibly spy pics. Snagged some copies from the listing. Cleaned-up, resized...
  5. TwoManyXS1Bs

    The "A" Factor

    Just another cabin fever diversion. The scenario is simple. You're emerging from a mild cruise toodle in a metro area, to the open highway. Or, you're wanting to pass around a slow truck. And, stay in 5th gear. What kind of acceleration can be expected when throttling up from about 45mph to...
  6. TwoManyXS1Bs

    Feedback for Irishlord99

    Good parts. Very well padded and packaged. Good guy to deal with...
  7. TwoManyXS1Bs

    Motorcycle covers for the XS650

    I wanted a simple cover for my XS1B, to protect it from barn/shop dust/dirt and varmint ejections. Don't want something delicate like tissue paper, or something so intense as armor plated kevlar with heaters and LED lighting. Never bought one before. How hard can it be? A quick eBay search...
  8. TwoManyXS1Bs

    An electronic TDC Finder and ConRod checker

    Another little lathe project. I've been wanting to check if the timing mark on my OEM rotor is really showing TDC. 4 things have to be precisely positioned to get an accurate TDC indication. - The keyway slot in the crank. - The keyway slot in the rotor. - The notched mark on the rotor's...
  9. TwoManyXS1Bs

    CruzinImage BS38 carburetor floats -- Review

    This is a follow-up to xjwmx's review thread: http://www.xs650.com/threads/bs34-diaphragm-and-piston-from-cruzinimage-review.50651/ CruzinImage offers BS38 float pairs for 1970-1979 carbs. Even though there's different listings for various year groups, they're all the same float set...
  10. TwoManyXS1Bs

    JBM Industries BS38 Diaphragms - Fail?

    Started getting off-idle stumbling, hesitation, on left XS1B BS38 carb. Pulled carbs, left carb failed the diaphragm drop test. Plugged starter circuit, still fails. Found the JBM diaphragm was no longer a snug fit on the slide. Easily rotated, easily removed. It appears that the...
  11. TwoManyXS1Bs

    Gas Cap Gauge for the early 70-73 Tank

    Another contraption I've been wanting for a long time, a gas cap gauge. It's peanut's fault. He posted this awhile back, and it's been bugging me since. http://www.xs650.com/threads/fuel-tank-sender-and-guage-mod.30035/ Then, there's this old classified that has a vintage Asahi gauge...
  12. TwoManyXS1Bs

    Motorcycle tow hitch, TMS800 800lb front wheel hauler

    I've been wanting a crank-up or lever-up front wheel type bike tow/hauler for a long time. Circumstances have necessitated having my trucks serviced in town, which can mean leaving them at the shop for several days. I'd like to be able to haul my XS1B behind the truck, go to the shop, quickly...
  13. TwoManyXS1Bs

    Yamaha XS650 Experimental Clutch Booster (mousetrap clutch)

    I thought I'd share another project I've been working on. An over-center spring assist for the clutch actuator (worm). My ol' panhead had a moustrap clutch, and I thought that was a quite clever thing. So, wanted see if a similar principle could be used on my XS1B. The stock clutch actuator...
  14. TwoManyXS1Bs

    Yamaha XS650 Experimental Clutch, version 2.0

    Experimental clutch, version 2.0 Last year, I made the version 1.0 experimental clutch mod, using adjustable features that I felt was not suitable for others to implement. After determining the settings and measurements, I made the parts for the version 2.0 earlier this year. Now that I've...
  15. TwoManyXS1Bs

    Thermal Imaging of an XS1B

    And now, for something completely different. Last week I received a SEEK XR thermal imaging gadget that plugs into my smartphone and tablet. So far, it's been great for finding thermal leaks in my home and scouting nocturnal varmints. So, here's a video thermal image of my XS1B...
  16. TwoManyXS1Bs

    Victory Motorcycles shutting down production

    Simply Google this: "Victory Motorcycles shutting down production". And lookit all the postings. http://ir.polaris.com/investors/news/news-details/2017/Polaris-Industries-to-Wind-Down-Victory-Motorcycles-Operations-Strengthening-its-Position-in-the-Powersports-Industry/default.aspx...
  17. TwoManyXS1Bs

    Smartphone chest mounts for making videos

    We've got some good threads here on GoPro cameras. http://www.xs650.com/threads/look-what-i-just-bought-gopro-hd-hero-camera.12961/ http://www.xs650.com/threads/helmet-cams.19828/ http://www.xs650.com/threads/anyone-into-making-gopro-videos.39838/ But, I'm not big into making videos. Takes...
  18. TwoManyXS1Bs

    Digital Gear Indicator for the XS650

    Has anyone ever installed one on their XS650? Ever wanted one? Have you ever found yourself upshifting while already cruising in 5th? Have you ever wondered if you're in 2nd, or 3rd, while doing the 'find neutral' before stopping? Are you having trouble counting up to 5? And back down? Have...
  19. TwoManyXS1Bs

    Finding Neutral while stopped and in gear

    This is a continuation of the Experimental Clutch thread: http://www.xs650.com/threads/yamaha-xs650-experimental-clutch.47498/ In that thread, I've determined that the clutch isn't the primary cause of difficulty in trying to find Neutral while stopped and the transmission is in 1st or 2nd...
  20. TwoManyXS1Bs

    Yamaha XS650 Experimental Clutch

    Continuing the saga of the Clutch Experiments. This summer, I upgraded my XS1B from its original early style 70-73 6-plate clutch to a later model 74-79 7-plate clutch. The upgrade includes an experiment to address the "sticking clutch" issue, and to see if it helps with the "finding neutral"...
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