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Thread: tri moto 125 bored to a 175

  1. 02-16-2005, 12:44 AM #1
    rustbucket
    rustbucket is offline At The Back Of The Pack Arm chair racerFirst time rider
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    tri moto 125 bored to a 175

    I found a place to get pistons cheaper but they only have 175 pistons i was told a 125 could be made in to a 175 by swapping the jug what i want to know is can i punch my 125 out to a 175 and get the 175 piston has anyone done it?
    1980 trimoto 125 mods include a ripped seat broke fender and bent handle bars
    1981 trimoto 125
    1971 suzuki ts 185 it will spank a 200x
    1966 gmc 3/4 ton
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  2. 02-16-2005, 09:14 AM #2
    TimSr's Avatar
    TimSr
    TimSr is offline Banned The day begins with 3WW
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    If you drilled out the entire sleeve, it still wouldnt bring up to 175cc.
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  3. 02-16-2005, 09:26 PM #3
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    greenhuman
    greenhuman is offline Got The Holeshot Arm chair racerJust too addicted
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    The whole top end off a DT 175 Yamaha trail bike will bolt on. An IT 175 will also bolt on but there is a little bit of welding to be done to the transfer area.
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  4. 02-16-2005, 09:38 PM #4
    rustbucket
    rustbucket is offline At The Back Of The Pack Arm chair racerFirst time rider
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    so i guess i can't punch it out then, but will a jug from a trimoto 175 change out with mods (other than the carb) at almost 275 pounds this little 125 was kinda gutless
    1980 trimoto 125 mods include a ripped seat broke fender and bent handle bars
    1981 trimoto 125
    1971 suzuki ts 185 it will spank a 200x
    1966 gmc 3/4 ton
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  5. 02-17-2005, 12:36 PM #5
    kando
    kando is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Besides carb, jug, head, piston you need exhaust from 175 also. Do search for "125 175 motor swap yt" on this site or talk to theoldfox. As he has looked into this before. My opinion would be to just to buy an old 175 and fix it up. There is probably an old 175 around for cheap. I have my yt 125 running good and am looking for a 175 to fix up. I know you have two 125's, If your interested in selling some parts off the one I need silencer, choke cable, and starter rope casing as mine has a big chunk missing out the bottom. PLEASE PM IF INTERESTED.
    1982 YT 125 Yamaha 1984 Honda 200 m
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  6. 06-14-2005, 06:53 AM #6
    barriemouse
    barriemouse is offline Registered User New to the board
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    dos any one no the mix off petrol and oil for a trimoto 175 as i have one but keep on going throw spark plugs
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  7. 06-14-2005, 12:18 PM #7
    MTS's Avatar
    MTS
    MTS is offline Power User The day begins with 3WW
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    Quote Originally Posted by barriemouse
    dos any one no the mix off petrol and oil for a trimoto 175 as i have one but keep on going throw spark plugs
    Wrong and old thred but, 32:1 synthetic oil, and do a serch on jetting on here as you sound like yours is too rich.
    1985 Tri-Z-

    Quote Originally Posted by mywifeknowseverything
    Just hit the Freakin Gas and Hold on!!!!!
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