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  1. avemachina

    Project: Simple Gear Indicator

    Well, I did say I was going to make an Arduino-based version of this, and I did. I used an Arduino Nano and a generic 0.96 128x64 SSD1306 OLED display. Since tooling limitations prevented me from adding a sensor pip for 1st, I got around this programmatically by saying if nothing else has a...
  2. avemachina

    Choke detent

    I usually drop the ball in, put it in roughly the right place, hold all the other little openings closed with my fingers and push the rod through, so it only has the inward direction to go. Although, one of my life's greatest accomplishments was finding one of those stupid BBs in a grassy yard...
  3. avemachina

    Project: Simple Gear Indicator

    ^ This is awesome, thank you for explaining! I'll have to practice to get the hang of it, but it does make sense! -- I finished up this build over the weekend, and happy to say it works! First, I finished grinding the epoxied screws flush: Flip it upside-down, and it's time to solder...
  4. avemachina

    Project: Simple Gear Indicator

    lmao, I'm a lady, but a broken Speedo would be a big problem for anyone if you're on a motorcycle in public 😜
  5. avemachina

    Project: Simple Gear Indicator

    I want to learn how to do that! I'm new to manual transmissions in general and I really just wanted to know if I'm in 2nd, 1st, or N at a stop :p I think once I'm finished, I'll post this in a format that's more DIY with less experimentation and more how-to. One of the other things I considered...
  6. avemachina

    Project: Simple Gear Indicator

    I'm learning the limitations of the epoxy. What surprised me is that despite the glossy finish, it behaves more like a ceramic than a plastic, with a brittle rather than elastic failure response (acts more like Bondo than hot glue). Here's me Dremeling it down. This attachment works really...
  7. avemachina

    Testing stator

    Hi friend! I've attached some pages from the Haynes manual on how to test various electrical stuff. You'd be better served checking the manual yourself, though--you can download it here: https://www.xs400.com/threads/re-run-free-full-yamaha-service-manual.14495/post-151524 The screenshots...
  8. avemachina

    Project: Simple Gear Indicator

    Pronounced gooey at the scene 😈 It's a 24-hour cure time, so I filled this out last night. I did overfill a bit, because it's way easier to remove excess than have to do multiple takes. I elected to do the infill before the drilling because it's easier to push the epoxy around without screws...
  9. avemachina

    Project: Simple Gear Indicator

    Thank you! Really, what I'm aiming for is an adaptation of this idea: But with a bunch of bootleg tooling, for a 43-year-old motorcycle 🤣 It's a fun project! I know I won't actually need it after riding a little longer, but it's still a cool little thing to make.
  10. avemachina

    Project: Simple Gear Indicator

    Oh, I've discovered something new--JBWeld High-Heat. I was nervous that the epoxies and resins I was using all seemed to have a maximum operating temperature of like... 250F? and that seems a little too close to engine temp for me to be comfortable. This stuff is rated to 550, so I'm pretty...
  11. avemachina

    Project: Simple Gear Indicator

    Some fabrication! One of the things I've changed is that I'm going to use thermostat wire instead of Cat5--18 gauge, and 7 strands, how convenient. Let's drill the sensor: And tap the holes... The screws needed to be chopped a little so they didn't touch each other. The original neutral...
  12. avemachina

    Project: Simple Gear Indicator

    Dangit, I've been made! Everyone, scatter! :ninja:
  13. avemachina

    What did you do with your XS today?

    What material is that? They look delicious :P As for me, I wrote up my progress on the previously-mentioned gear indicator build here.
  14. avemachina

    Project: Simple Gear Indicator

    I made reference to this in the What Did You Do To Your XS Today thread, but I figured I'd make my own. Deeply inspired by Tggraff's build but lacking the tooling, I decided to try it my way. Step 1: Buy a cheap universal gear indicator and a spare Neutral Position Sensor. Step 2. Label all...
  15. avemachina

    1978 Yamaha XS400 full tune up

    I do! Pop over to the auto parts store and get yourself a screw extractor set. I got mine at NAPA, but I think they've got these at Princess Auto or Canadian Tire or whatever y'all have up there :p They look like this: Sometimes the ends are spiralled, sometimes they're square, sometimes...
  16. avemachina

    1978 Yamaha XS400 full tune up

    I'd go option 1. Any parts that aren't the same, just don't use. I'd get the new floats too--they sometimes develop pinholes, and that can cause flooding. Something you can do as well if your jet needle seems to have stuck-on gunk and carb cleaner isn't doing the trick, is using a...
  17. avemachina

    What did you do with your XS today?

    Meanwhile in the present, I took it easy today--adjusted the clutch, and gave my leather tail-bag a nice proper waterproofing treatment. Classic horsehair brush, saddle soap, and mink-oil routine I use on all my leather goods. In the process, got a moment to fall in love with the changing...
  18. avemachina

    What did you do with your XS today?

    Made plans to create a gear indicator. Ordered a sacrificial spare neutral position sensor--I'll be drilling the middle part out, casting clear resin in the hole, and using that window to see where the indicator pin falls to identify the gear positions. Once I've got a template from that, I'll...
  19. avemachina

    1978 Yamaha XS400 full tune up

    Great work getting it back together and running! If you keep seeing fuel dump out of one of your air filters, that's a symptom of stuck floats in one of your carbs. As far as performance... it is a pretty old machine. The common wisdom around here is that the engines really don't come alive...
  20. avemachina

    1978 Yamaha XS400 full tune up

    Yes, but you don't necessarily need to pull the choke out all the way--if it's warm where you are, you might only need it half-way, or pushed all the way in.
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