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I made a trade a few years back for this honda st 90 motorcycle cycle from a friend. I had just finished my honda sl125 and we made a trade for this and some honda 70s, he purchased it long ago and stashed it in his basement. fast forward to today and lets see what we got and what it will take to save it.

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40 thoughts on “Can We Save This 1974 Honda st90 Monkey Bike?

  1. 58:40 hey Mustie I doubt youll be reading this but mixing and dissolving are two different things, so it's likely regular gas would dissolve that sludge, but would need some time and mixing.

    Solvents are either polar or non polar.

  2. I don't think the newer stuff is going to hold up, since it is impossible to work on the newer stuff without specialized training and thousands of dollars in equipment. Unfortunately I think the older stuff will die off as well. Due to the newer stuff being impossible for the average person to work on, fewer people in the newer generation are taking an interest in stuff like this. Between the smaller number of people working on stuff and the unavailability of a lot of parts for the older machines, I think all of it will eventually die off.

  3. My first bike was a '69 Yamaha 175 Enduro basket case. Our stories sound similar – it was my ticket to adventure, and I pushed it home quite a few times. Never got caught on the road, though – we got far enough out of town on the trails we were out of cop territory! Good times!

  4. Well now…I’m in the kitchen fixing Sunday dinner listening to you and heard a bit about your situation and decided I would subscribe and like your vlogs so you can have both Hunny and my support. You see Darrin, often times Jack and I are sitting in the living room drinking our coffee or having breakfast as Jack watches you, kinda like date night only in the am! Hunny knows he’s pretty safe watching you with me in the room because rarely is there any salty language coming out that I can’t handle. I will tell you that sometimes you will set Siri off in our house from your shop because she hears you say something that sounds like “Hey Siri” but that too I can handle because it’s a little comical actually. So now for what it’s worth to your YouTube “job” I’ll do my part to help out a fella. Wishing you all good things in hopes you never sell your soul for a Buck!!!:):):)

  5. For old dried fuel, nothing beats denatured alcohol! (as i was typing this i got to the part where you tried it) I have a 1974 RD250 that i'm restoring, and the whole area around the gas tank cap was covered and stained with a thick layer of brown lacquered fuel. I really didn't want to damage the paint underneath with anything too harsh, but acetone, lacquer thinner, mineral spirits, MEk substitute, isopropyl alcohol, soaking in wd40 for a week all did absolutley nothing, didn't soften it even. One swipe with a rag soaked in denatured alcohol turned the rag brown, a few seconds of light rubbing and i was back to the bright white paint underneath. The inside was full of loose powdered dried fuel and rust, i just vacuumed that all out and went straight to evaporust which got rid of everything.

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