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Thread: honda 350x engine in a 250x quad

  1. #1
    Join Date
    Jul 2005
    Location
    leroy, new york
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    1,025

    honda 350x engine in a 250x quad

    will a 350x engine fit into one of these bad boys. i might have located my next project.

  2. #2
    Join Date
    Jan 2003
    Location
    Charles Town, WV
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    1,316

  3. #3
    Join Date
    Mar 2006
    Location
    PA
    --
    3,515
    i have built several and have posted on here about some of them

    you only have to change 1 mount in the frame...if you choise to cut the motor to fit the frame you might run into a torn off mount like what happened to me.

    do it the right way and change the frame and not the motor.
    80s......185 atc, Yamaha tri-moto 200, 85 200x with tons of work
    90s......89 Suzuki quad racer 250 (raced 250 A class for 6 years, late 90s.. custom framed 250x with long travel shocks and a built 350x motor.... built Honda 110
    00s...... chomeoly framed 350 RX with all the goodies (thanks to my bro)
    2012.....Replaced the 350x motor for a 444cc YZ426
    WWW.HREATV.COM

  4. #4
    Join Date
    Sep 2009
    Location
    masset bc
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    1
    Does Any one know which disk brake front end will fit on a 86 250 bigred as i am getting tired of replacing the brake shoes and drum every year since i can never get the drum off without cracking it i know they make em but cant figure what one will fit so anyone done this???? and will i have to replace the rim??

  5. #5
    Join Date
    May 2006
    Location
    Kentucky
    --
    2,294
    Not sure about a brake swap, but post this question in trikesylvania and you'll get some help.
    Tionesta Trikes ATC 450R
    86 250R
    86 Tecate-3
    83 ATC 70
    85 Big Red
    81 KLT 200
    85 250SX
    Tricky Dicks Cagiva WMX 200 sold
    Trikefest survivor 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
    My feedback: http://www.3wheelerworldforums.com/s...dback+eric250r

  6. #6
    Join Date
    Mar 2008
    Location
    Tug Hill
    --
    1,282
    just the back mount is different its easy to change though. powroll has a kit and a pipe. you cant use the stock 350x pipe... i built one for mine.
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