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Lifter dactivators

Discussion in 'Motorcycle Tech Talk' started by lespaul60, Dec 20, 2011.

  1. lespaul60

    lespaul60 New Member

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    installing hydraulic to solid tappet deactivators and adjustable pushrods. Do I need to change cam also ?
    lespaul60, Dec 20, 2011
    #1
  3. charlie46

    charlie46 Well-Known Member

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    Depends on milage on cam. A low milage cam should be OK, But over about 10k miles better change the cams. You might want to look into tappet travel limiters. Install spacers in your pressent tappets. Bennifits of sollids,quiteness of hydraullics.
    charlie46, Dec 20, 2011
    #2
  4. Ted

    Ted New Member

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    Old machanic's love hydraulic lifters. No noise no ajusting no burnt valves. Man what a good invention. Just a point . Have a nice day, Ole Ted.
    Ted, Dec 21, 2011
    #3
  5. hotroadking

    hotroadking Super Moderator Staff Member

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    Are you talking about travel limiters inside the hydro tappets?

    If the tappets are roller that you are taking out and new rollers
    you are putting in unless the cams have damage then you don't
    have to change cams.
    hotroadking, Dec 21, 2011
    #4
  6. charlie46

    charlie46 Well-Known Member

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    Yeah, a couple of days ago one of the guys posted a web site from J&P with video on changing cams.In it the tec showed these like washer thingies that go inside the lifters that cut down the self adjusting limits of the tappets. never saw them before. Just saying. Good stock lifters seem good to me. jmo.
    charlie46, Dec 22, 2011
    #5

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