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Thread: TTR225 cylinder and head on YTM 225dx

  1. #1
    Join Date
    Apr 2017
    Location
    Tucson, Az
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    42

    TTR225 cylinder and head on YTM 225dx

    My 225dx needs the top end rebuilt. I found a good TTR225 top end for a good price. Does anyone know if it will fit/work? If it does is it a performance upgrade? I also found a new cylinder and piston from niche industries (part number 1509) as a stock replacement. https://www.amazon.com/Niche-Industr.../dp/B01LZL04TR. Has anyone heard of this company, I'm not finding many reviews on them. Or should I just bore and rebuild my current cylinder?
    Thank you in advance,
    Jake.

  2. #2
    YamaBoss's Avatar
    YamaBoss is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Aug 2014
    Location
    Minnesota
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    251
    Just bore you're cylinder. I wouldn't use one of those Chinese kits. http://www.partzilla.com/parts/detai...110-01-00.html

    The TTR cylinder looks to have the same part Number.

  3. #3
    Join Date
    Jan 2017
    Location
    SD
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    39
    yes you can use the ttr stuff and yes it raises compression from 8.8:1 to 9.5:1 and that is a performance upgrade. xt225 topends will also work

  4. #4
    Join Date
    Apr 2017
    Location
    Tucson, Az
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    Thank you guys you are awesome.

  5. #5
    Toaster556's Avatar
    Toaster556 is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Dec 2010
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    Fraiser Valley, BC, Canada
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    176
    Wiseco also sells a 10:1 kit for the YTM225 if you want to pony up the extra cash.

  6. #6
    Join Date
    Jul 2010
    Location
    glendive, montana
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    1,822
    the niche cylinders are actually pretty good just rebuilt a grizzly 660 with one and I am very pleased with it, only down fall is they dont soften the sharp edges and you can cut yourself on them.
    rectum nothin damn near killed them
    feel free to leave feed back for me here. http://www.3wheelerworld.com/showthr...06#post1119306

  7. #7
    Join Date
    Apr 2011
    Location
    Mexico
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    9,003
    Parts crossover is typically as easy as copy pasting the Yamaha part numbers from a fiche side by side on a spreadsheet. When I rebuilt my YTM I would paste discontinued part numbers from the fiche into Google search and many times the part number would come up for a newer vehical, or I would be directed to a site that still had stock.

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