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Thread: Rusty Cam

  1. 03-04-2010, 07:01 PM #1
    cartmanz
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    Rusty Cam

    Is it possible to polish the rust off of a cam? Has anyone ever tried it?
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  2. 03-04-2010, 08:10 PM #2
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    cattle-dog
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    i have heard of people doing it what motor is the cam out of?
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  3. 03-04-2010, 08:29 PM #3
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    Mr_RPM
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    the fact that the cam is rusty worries me, since there should be oil circulating that would prevent rust, even when it sits there should be a little residue film to protect it. so this means its been sitting for a long long time, which to me says if the cams rusty then what else is rusty. but if you have looked around or the cam is from another engine then sure why not remove the rust, depending on how deep it is and how smooth the finish will be, take pictures, but i would simply just buy a new one. stuff on ebay is sooo cheap now days.
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  4. 03-04-2010, 08:54 PM #4
    cartmanz
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    it is a spare for an 83 200x thats why its rusted
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  5. 03-04-2010, 09:04 PM #5
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    Mr_RPM
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    well how bad is the rust? if its just light surface rust than use some sand paper to take it off, maybe start with 280 grit and end with 400ish.
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  6. 03-04-2010, 09:46 PM #6
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    SWIGIN
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    soak it in vinager for a day or 2.
    80s......185 atc, Yamaha tri-moto 200, 85 200x with tons of work
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  7. 03-05-2010, 11:18 AM #7
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    Gearheadtom
    Gearheadtom is offline Got The Holeshot Arm chair racerJust too addicted
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    The cam was a bit rusty on my 90 when I first got it, that's because the whole machine sat outside for many years not running. I Just used the wire brush on my bench grinder to take all the rust off.
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  8. 03-05-2010, 10:22 PM #8
    n10sivern
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    how about just put it in a tub of evaporust. it'll take the rust off

    http://www.evaporust.com/
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  9. 03-05-2010, 10:34 PM #9
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    portland250r
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    Quote Originally Posted by Mr_RPM View Post
    the fact that the cam is rusty worries me, since there should be oil circulating that would prevent rust, even when it sits there should be a little residue film to protect it. so this means its been sitting for a long long time, which to me says if the cams rusty then what else is rusty. but if you have looked around or the cam is from another engine then sure why not remove the rust, depending on how deep it is and how smooth the finish will be, take pictures, but i would simply just buy a new one. stuff on ebay is sooo cheap now days.
    tooo cheap?
    look up 350x parts i found a cam on there from a 350x and the guy wanted 75.00.
    a top end setup is around 400.00
    when you can buy an engine for that much.
    the 350x market works really wierd.
    now 200x parts are cheap!
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