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Twin Cam Push Rods

Discussion in 'Motorcycle Tech Talk' started by Fatboy128, Dec 26, 2012.

  1. Fatboy128

    Fatboy128 Well-Known Member

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    Hey fellas,
    The FM says to remove the pushrods in order to remove and replace the rocker box off of the heads. Do you think that bringing both lifters to the bottom most position at the same time would relieve the pressure from the rockers thus bypassing the need to remove the pushrods???
    Thanks
    Fatboy128, Dec 26, 2012
    #1
  3. hotroadking

    hotroadking Super Moderator Staff Member

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    No need to remove them to change out the rocker boxes.

    Remove the plugs, jack the bike, get it in 5th
    with the gas tank off and the tops off the rocker boxes
    turn the rear wheel (Helps to have a friend do the turning)
    until the rocker arms on the front are level (valves closed, back of cam)
    Remove the rocker arm assembly and lower box
    you won't have to take the pushrods out on the front as you'll have plenty of room

    Now once front is done do the rear,
    You might have to take them out to get the rear rocker arm
    assembly out because it's tight to the frame and not a lot of room
    once the rocker arms are out, just lift out the pushrods
    remember which is intake (front) and exhaust (rear)
    drop them back in when you put the box base back on
    then slip in rocker arm assembly, tighten and put on cover
    hotroadking, Dec 26, 2012
    #2
  4. baggerpaul

    baggerpaul Well-Known Member

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    Take a sharpie and mark the push rods. I E . That way you won't mix them up you know your getting up in age now and might forget witch hole they came out of . Lol. Sorry gumba had to do the age thing .lmfao
    baggerpaul, Dec 27, 2012
    #3
  5. baggerpaul

    baggerpaul Well-Known Member

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    +1 on hrk . And also when reinstalling rocker arm assembly tighten them down a little at a time so as to let the lifters bleed down slow and that way you won't bend the push rods. Make sure your on the base circle of the cam when reinstalling . Give it about 15 min between cylinders before rolling the motor over to do the next cylinder. Then wait. A little while before you start the bike as well . Gotta let those lifters bleed off. And its pretty cold up north and that oil is thick . Down here it takes a half an hour for my lifters to bleed with 50 weight in 80 deg weather so take your time
    baggerpaul, Dec 27, 2012
    #4
  6. Fatboy128

    Fatboy128 Well-Known Member

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    Thanks boyz! :cheers:
    Fatboy128, Dec 27, 2012
    #5
  7. Lucifer

    Lucifer Well-Known Member

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    There ya go...better "how to" posted above than in the manual...Exhaust rod is black oxide color,intake is plain(silver)
    A couple of beers and half a cigar between cylinders,couple more beers and finish the cigar before starting and you should be good to go:cool:
    Lucifer, Dec 27, 2012
    #6
  8. cowboy

    cowboy Moderator Staff Member

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    add a shot of black jack & he wont care what color the push rods are :roflmao:
    cowboy, Dec 27, 2012
    #7
  9. Lucifer

    Lucifer Well-Known Member

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    :roflmao:No he won't but the engine will let him know right away and ruin the buzz:gah::drunk:
    Lucifer, Dec 27, 2012
    #8
  10. baggerpaul

    baggerpaul Well-Known Member

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    lmfao .thts why i told him to mark them . because he wont remember what color goes were!
    baggerpaul, Dec 28, 2012
    #9
  11. hotroadking

    hotroadking Super Moderator Staff Member

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    Don't remember my TC rods being different colors,
    seem all were black. Only difference is length.
    hotroadking, Dec 28, 2012
    #10
  12. cowboy

    cowboy Moderator Staff Member

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    ya my 03 where two different colors , the SM even said two different colors , you must have had the ciger & Jack going :eek:
    cowboy, Dec 28, 2012
    #11
  13. Lucifer

    Lucifer Well-Known Member

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    They are,exhausts are "black oxide" and intakes are "plain"...according to the Parts catalog... Dark and silver is what I remember them as from last winter,it was one of the things I checked(thought the rods might have been in the wrong holes) before I found my 3lb oil filter:witsend::rolleyes:
    Lucifer, Dec 28, 2012
    #12
  14. hotroadking

    hotroadking Super Moderator Staff Member

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    heck I can't remember the 00 rods went out in, 00
    the 09 in 09,
    hotroadking, Dec 28, 2012
    #13
  15. Fatboy128

    Fatboy128 Well-Known Member

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    The intake is silver the pooper is black

    Sent from my Droid using Tapatalk 2
    Fatboy128, Dec 30, 2012
    #14
  16. cardboard

    cardboard Well-Known Member

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    Just remember the pushrods are round. The holes the push rods goes in are round.:gah:
    cardboard, Dec 30, 2012
    #15
  17. FLHTbiker

    FLHTbiker Moderator Staff Member

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    :D That was a good surmise :rolleyes:
    FLHTbiker, Dec 30, 2012
    #16

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