Rusted Throttle

Discussion in 'Tech Area' started by buttahman, May 12, 2011.

  1. buttahman

    buttahman Member

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    Hey guys,

    A few weeks ago I picked up a '73 CT70 K1 from my cousin. He's had it since new. I know for a fact that it has not run in 20 years, because I was the last person to get it running all those years ago. Its been kept under a tarp outdoors under a deck for the last ten years and the ten years before that it had been garage kept. Other than the wheels and the some flakes on the chrome there isn't too much rust. I removed the throttle grip and sleeve is rusted solid to the handle bar. I've hit it with WD 40, liquid wrench, and various blunt objects but that sucker won't budge. I'm not looking to save it I just want to remove it and replace it. Any suggestions you guys have is appreciated.

    ---------- Post added at 05:10 PM ---------- Previous post was at 04:41 PM ----------

    By the way the screw head is stripped and appears to be rusted in place, haven't tried vice grips on it yet.

    Thanks again.
     
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  3. OakBehringer

    OakBehringer Member

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    Try vice grips. If that doesn't work, you can try to drill it out and use an extractor, but I'm not too sure how easy that will be on such a small screw.

    For the throttle, I'd remove the handlebar and submerge the throttle overnight in a 50/50 mix of acetone and ATF. Pull it out, put it in a vice or brace it sold, get something akin to a flathead screwdriver on the lip of the throttle, and whack it with a hammer, moving the driver around the lip.

    If that doesn't work, you're looking for new handlebars :)
     
  4. buttahman

    buttahman Member

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    It worked

    Got it loose!! Thanks for your help its almost got the full range of motion. It still sticks a bit at certain points but its otherwise surprisingly smooth after having been so rusty. I had been spraying mostly on the outside of the assembly and not enough on the inside to dissolve the rust.
     
  5. OakBehringer

    OakBehringer Member

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    Glad you got it loose. Use some fine grit sandpaper (specific sandpaper for metal) to smooth it out. Sounds like you'll be fine.
     

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