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  1. #1
    Old School Never Dies! codemanrose's Avatar
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    Help With Pro-tec head

    Im about to order a 150 psi Protec head for the Raider but I have never installed one on my own. Bill Rica has done it for my dad a few times but never have I seen it done. How hard is this. What is needed? sorry if I sound like a complete noob.


  2. #2
    DAGO RACING CREW 97GPSLEEPER's Avatar
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    It's not hard, just take your time. IMO the most important thing is to make sure the bolts are torqued in the proper sequence and to the torque spec. Make sure the old gasket material is removed from the cylinder. Does this head utilize o-rings?

  3. #3
    Old School Never Dies! codemanrose's Avatar
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    Yea, It comes with the o-rings. It just said that it requires the oem gasket. How do I know what it needs to be torqued at?

  4. #4
    DAGO RACING CREW 97GPSLEEPER's Avatar
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    The torque specs are usually the same as the stock head.

  5. #5
    Old School Never Dies! codemanrose's Avatar
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    Ok? lol, sorry. I wish there was a video or somethin on this. I know that once I figure it out Im gonna be like "Wow, Im stupid." If I ever do.

  6. #6
    old school big raider's Avatar
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    Quote Originally Posted by codemanrose View Post
    Ok? lol, sorry. I wish there was a video or somethin on this. I know that once I figure it out Im gonna be like "Wow, Im stupid." If I ever do.
    you have a pm

  7. #7
    Here come the smokers! OBXJeepGuy's Avatar
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    I don't know if the old Raider heads are the same, but my 760 has the torque specs, and sequence in which the bolts are to be tightened. It is really not that hard to do at all. Once you get it done, you will feel like a pro!

    The only reason I can get away with working on my own ski is because I have MANY years of automotive repair under my belt. After working on Automotive 4 stroke engines, these 2 stroke Yamaha engines are a breeze!

  8. #8
    Old School Never Dies! codemanrose's Avatar
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    Got an e-mail from jim at AJS and he said they don't make them anymore....now what.....hmmm

  9. #9
    krispaintballz's Avatar
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    Slip a 1200 in there! bore it out 85.5!

  10. #10
    Old School Never Dies! codemanrose's Avatar
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    Yea! Then I won't have any money to ride it! haha

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