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Thread: XR500 head?

  1. 01-13-2007, 12:38 PM #16
    p26575r16's Avatar
    p26575r16
    p26575r16 is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    You could look for a trx 350 head. I found one on ebay for $40 or something like that. It needed valves (the stockers hit the piston). I figured for $40 it was worth the gamble. I now have the head on my rebuilt 350x and it works great. Their is no noticeable difference in the heads. I have pictures of them both next to each other if you would like to see them (decided to post pics as well, the cleaner one on the piston side is the trx head, the one with rust on the valve guides is the trx). I have also been watching good trx 350 head assemblies on ebay sell for a lot cheaper than 350x's. Or you can still get a complete head assembly from honda for $600.
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    '86 350x
    '05 sportsman 500 (the couch)
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  2. 01-13-2007, 06:27 PM #17
    joshdragon
    joshdragon is offline New to the board Arm chair racerNew to the board
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    Quote Originally Posted by daputz
    I feel sorry for the instructor and the program that violates honda's trust when their donated training aids are involved. This is not something to joke about especially on a public forum.

    its not going to hurt anything if the instructor says its ok... they dont run the engines they tear them down and rebuild them..

    i wasnt joking i was serious... were do you think most of the crate engines come from on ebay... im not using it to make money
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  3. 01-13-2007, 06:54 PM #18
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    Dirtcrasher
    Dirtcrasher is offline Power User Catch me if you can
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    Quote Originally Posted by joshdragon
    its not going to hurt anything if the instructor says its ok... they dont run the engines they tear them down and rebuild them..

    i wasnt joking i was serious... were do you think most of the crate engines come from on ebay... im not using it to make money


    I don't see it as a big deal.. Honda donated them because they had a bunch of ATC's they could no longer sell. Yes, I'm sure Honda donates alot of stuff but at some point they were glad to give away ATC motors.
    A torn up head could be a benefit to a student, they could see firsthand the results of a lack of oil and the resulting poor performance.

    Your head can be fixed. But after spending the time to indicate the head in and machine it, it could cost a couple hundred then you still have to buy all the other parts. If I needed a 350X head, I'd grab the crate head on EBAY for 399$. It's fully assembled and new.....
    All our government does is distract us while they steal from us, misspend our tax $ and ruin our country
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  4. 01-15-2007, 01:42 PM #19
    joshdragon
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    my took my head in and the teacher is gonna make him do the repair work on the cam journals. and donate a spare cam.. he is also gonna port it on a flow bench
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