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Thread: yt125 dead?

  1. #1
    Join Date
    Dec 2009
    Location
    oregon
    --
    116

    Unhappy yt125 dead?

    hey guys my beloved first trike the 1980 yt125 is dead or at least it is for now. the othher day i fried the 30 year old piston and rings and now it just sits if anyone has a nos or new piston and rings they could sell me for a 1980 yt125 it would be greatly appreciated just pm me if you have one i could buy. and remember LONG LIVE THREE WHEELERS

  2. #2
    Join Date
    Apr 2007
    Location
    UP of MI
    --
    804
    You can still order new pistons and rings for that bike. Looks like they're backordered according to powersportspro.com and they would run you about $175 though. Have you disassembled it to see how bad it is?
    1973 Honda CB350
    1973 Honda ATC70
    1978 Honda ATC90 (FOR SALE!)
    1982 Honda ATC110 (FOR SALE!)
    1982 Honda ATC200
    1983 Honda ATC200E
    2002 Honda Recon

  3. #3
    Join Date
    Nov 2008
    Location
    Coon Rapids, MN
    --
    956
    You don't have to buy OEM parts your can pick up cheap Wiseco pistons from this website and just have your cylinder board up to the next size and get the right size piston for the newly board cylinder.
    http://www.mfgsupply.com/m/c/process.html
    1982 Yamaha YT125 tri-moto - Boyesen power reeds, YT175 front suspension, Headlight guard.
    1982 Yamaha YT175 tri-moto - Running but ugly
    1984 Yamaha YT 60 tri-zinger - Boyesen power reeds



    My feedback.
    http://www.3wheelerworld.com/showthr...ght=old-yellow
    My album
    http://www.3wheelerworld.com/album.php?albumid=98

  4. #4
    Join Date
    Dec 2009
    Location
    Whiteland, Indiana
    --
    69
    Or you can buy my good engine from my 81 125 lol. Cheap
    1981 Tri-Moto 125 - Parting Out ( LMK if you need parts! )

    1981 ATC 250R ( Rebuilding the engine)

    1984 ATC 125M - SOLD

    1984 Kaw KLT200C - Parting Out ( LMK if you need parts! )

    1985 ATC 250ES Big Red

    2005 TRX650F Rincon

    2007 Chinese (haha) 150cc camo atv


  5. #5
    Join Date
    Dec 2009
    Location
    oregon
    --
    116
    thank for the onfo but im looking fi something under $70 and no i dont wanna buy your motor lol

  6. #6
    Join Date
    Dec 2004
    Location
    Baltimore, MD
    --
    6,088
    Maybe, you would like to buy some magic beans then? LOL Seriously, try looking on ebay. You can often get deals on NOS parts. I've seen pistons and rings on there pretty cheap before, and I'm talking genuine Yamaha. You may have to shop around and buy the piston and rings seperately as that is how they were originally listed, but if you can be a little patient, you can often find a deal. Best of luck with your shopping.
    Nicholson 500x (Project)
    Nicholson 185s
    Nicholson 110 (That takes an atc70 tank)
    Ascott 500 head/350x (Project)
    Homebuilt Racer Chromoly Suspension 110 (Ragin Runt)
    PK Racing Suspension 70
    A+ Inc Suspension 70
    AWS Aluminum 90 frame
    Hi Performance ATC Suspension frame rd350
    Hi Performance ATC Suspension frame 90

  7. #7
    Join Date
    Dec 2009
    Location
    oregon
    --
    116
    yea i found a piston and rings for 70 but dont i alo need the head gasket and the gasket between the cylinder and the block???

  8. #8
    Join Date
    Dec 2009
    Location
    Whiteland, Indiana
    --
    69
    if you tore them up, yes. My rings for my KLT200 engine are 50 bux, and thats all i have so im gonna make my own gaskets outta gasket material...
    1981 Tri-Moto 125 - Parting Out ( LMK if you need parts! )

    1981 ATC 250R ( Rebuilding the engine)

    1984 ATC 125M - SOLD

    1984 Kaw KLT200C - Parting Out ( LMK if you need parts! )

    1985 ATC 250ES Big Red

    2005 TRX650F Rincon

    2007 Chinese (haha) 150cc camo atv


  9. #9
    Join Date
    Dec 2009
    Location
    oregon
    --
    116
    o ok so if they are in good shap i can still use them?

  10. #10
    Join Date
    Dec 2009
    Location
    Whiteland, Indiana
    --
    69
    Yep no tears or anything
    1981 Tri-Moto 125 - Parting Out ( LMK if you need parts! )

    1981 ATC 250R ( Rebuilding the engine)

    1984 ATC 125M - SOLD

    1984 Kaw KLT200C - Parting Out ( LMK if you need parts! )

    1985 ATC 250ES Big Red

    2005 TRX650F Rincon

    2007 Chinese (haha) 150cc camo atv


  11. #11
    Join Date
    Nov 2008
    Location
    Coon Rapids, MN
    --
    956
    I don't recommend at all reusing the head gasket.
    1982 Yamaha YT125 tri-moto - Boyesen power reeds, YT175 front suspension, Headlight guard.
    1982 Yamaha YT175 tri-moto - Running but ugly
    1984 Yamaha YT 60 tri-zinger - Boyesen power reeds



    My feedback.
    http://www.3wheelerworld.com/showthr...ght=old-yellow
    My album
    http://www.3wheelerworld.com/album.php?albumid=98

  12. #12
    Join Date
    Dec 2009
    Location
    oregon
    --
    116
    ok thanks old yellow

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