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Thread: Piston removal, 2 stroke help pls !!!

  1. 09-14-2005, 11:16 PM #1
    bigredhead's Avatar
    bigredhead
    bigredhead is offline Power User Lord of the trike
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    Piston removal, 2 stroke help pls !!!

    I have my friends yamaha DT 125 in my garage right now. and we took the carb, head, cylinder off... and need to remove the piston from the crank.. not as easy as it should be.

    Gotta love clymer " Remove pin by pushint it with a wooden dowel " yeah...

    The top ring has a 1 inch piece missing from it.. and one of the clips are missing.. so i removed the existing clip on the left side.. and tried to get that pin out with a proper size socket.. tried to tap it but i don't want to stress the crank.

    The entire bottom end was floating in gas, as the carb was leaking into it.

    I need help with removing this pin.. any tips ?
    Currently :

    82 ATC - 200, plain jane, almost mint. ( Sold, 03-17-2005)
    84 ATC - 200 ES, Jimmy-Rigged, don't ask.( Sold, 03-17-2005)
    85 ATC - 250 SX, Pride and Joy, Bottom-Less Money Pit.
    84 125 M - The Mini-SX not running yet. but won't be long.
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    The more people i meet.. the more i like my DOG !
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  2. 09-15-2005, 05:50 AM #2
    hondatrikesrule22's Avatar
    hondatrikesrule22
    hondatrikesrule22 is offline Got The Holeshot Arm chair racerJust too addicted
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    Have someone hold the rod and piston, and take the socket, and tap it with a . Don't go crazy, but it shouldn't hurt the crank.
    "I am going out of this world.....the same way I came in...screaming and covered in blood."
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  3. 09-15-2005, 08:22 AM #3
    bigredhead's Avatar
    bigredhead
    bigredhead is offline Power User Lord of the trike
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    Quote Originally Posted by bigredhead
    tried to get that pin out with a proper size socket.. tried to tap it but i don't want to stress the crank.

    ?
    Been there.. done that.

    next option ?
    Currently :

    82 ATC - 200, plain jane, almost mint. ( Sold, 03-17-2005)
    84 ATC - 200 ES, Jimmy-Rigged, don't ask.( Sold, 03-17-2005)
    85 ATC - 250 SX, Pride and Joy, Bottom-Less Money Pit.
    84 125 M - The Mini-SX not running yet. but won't be long.
    --

    The more people i meet.. the more i like my DOG !
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  4. 09-15-2005, 10:07 AM #4
    MTS's Avatar
    MTS
    MTS is offline Power User The day begins with 3WW
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    Piston pin pulller, i belive princess auto carries them....dont quote me on that tho...search the net!
    1985 Tri-Z-

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    Just hit the Freakin Gas and Hold on!!!!!
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  5. 09-15-2005, 10:57 AM #5
    bigredhead's Avatar
    bigredhead
    bigredhead is offline Power User Lord of the trike
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    Princess auto.. heck. never thought of that.. i bet they have it.

    Googling for the past hour.. i might try threaded rod and washers with a few nuts as a home made puller...

    but princessauto is an option for sure.

    thanks.
    Currently :

    82 ATC - 200, plain jane, almost mint. ( Sold, 03-17-2005)
    84 ATC - 200 ES, Jimmy-Rigged, don't ask.( Sold, 03-17-2005)
    85 ATC - 250 SX, Pride and Joy, Bottom-Less Money Pit.
    84 125 M - The Mini-SX not running yet. but won't be long.
    --

    The more people i meet.. the more i like my DOG !
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  6. 09-15-2005, 11:14 PM #6
    oddball3's Avatar
    oddball3
    oddball3 is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Big C-clamp, 1 big socket, and 1 small socket, and 4 hands. The smaller socket to push the pin, and the larger for the pin to go into so it wont bottom out on the C-clamp. Worked for me many of times.
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  7. 09-16-2005, 09:07 AM #7
    bigredhead's Avatar
    bigredhead
    bigredhead is offline Power User Lord of the trike
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    Quote Originally Posted by oddball3
    Big C-clamp, 1 big socket, and 1 small socket, and 4 hands. The smaller socket to push the pin, and the larger for the pin to go into so it wont bottom out on the C-clamp. Worked for me many of times.

    Funny you mention.. i had the C-clamp on it with a small deep socket to push the pin.. and was trying to line it all up by myself.. when my friend and his buddy came along..

    Buddy has done this 100's of times before.. he grabbed the and the socket and got it out in 2 minutes !!

    I was not being agressive enough.

    Thanks guys !
    Currently :

    82 ATC - 200, plain jane, almost mint. ( Sold, 03-17-2005)
    84 ATC - 200 ES, Jimmy-Rigged, don't ask.( Sold, 03-17-2005)
    85 ATC - 250 SX, Pride and Joy, Bottom-Less Money Pit.
    84 125 M - The Mini-SX not running yet. but won't be long.
    --

    The more people i meet.. the more i like my DOG !
    Reply With Quote Reply With Quote
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