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  • max II questions

    first how do i tell the year? is it in the serial# and does the muffler go on the outside? my max has Tecumseh 18hp i think ,engine looks like ohv maybe. metal plate in cargo area to go around valve cover if that helps with year have pics of engine compartment ill try to post

    Last edited by buckhntr17; 01-11-2010, 10:01 AM.

  • #2


    I found some stuff from '85-'86 with that engine.

    MaxII-4 model


    You can get the tecumseh model number and that can ID the engine year. It wont necessarily be exact aatv year though as some manufactures get motors in bulk and may sit a while before use but it should be close.

    The first letter designations in a model number indicate the
    basic type of engine.
    HH - Horizontal-Heavy Duty (Cast Iron)
    VH - Vertical-Heavy Duty (Cast Iron)
    OH - Overhead Valve-Heavy Duty (Cast Iron)
    The number designations following the letter indicates
    the horsepower of the engine.
    The number following the model number is the
    specification number. The last three numbers of the
    specification number indicate a variation to the basic
    engine specification.
    The serial number indicates the production data.
    Using model number OH160-170033, Serial 8044C
    as an example, interpretation is as follows:
    OH160-170033 - is the model and specification number.
    OH - Overhead Valve-Heavy Duty (Cast Iron)
    160 - Indicates 16 horsepower.
    170033 - is the specification number used for properly
    identifying the parts of the engine.
    8044C - is the serial number.
    8 - first digit is the year of manufacture (1998)
    044 - indicates calendar day of that year (044 day
    or February 13, 1998).
    C - represents the line, shift or plant in which the
    engine was built at the factory.
    Last edited by LarryW; 01-10-2010, 11:43 AM.

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    • #3
      thanks ill look it up anyone know if the muffler on maxII go on outside of hull and look at some of the things im dealing with
      first throttle
      [IMG][/IMG]
      and tank
      [IMG][/IMG]
      lol im gonna have fun and thats just the start
      Last edited by buckhntr17; 01-10-2010, 10:27 PM.

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      • #4
        The muffler does go on the outside of the Max on older models so you are good there.


        It looks like a few things were rigged up on your Max but those are nothing major and should be an easy fix. That throttle is something to behold though.

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        • #5
          Wow.

          I can't figure out the ergonomics of that throttle. From the looks of that rigging as well as the gas tank, I am surprised that there was not a lot of duct tape used.

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          • #6
            yep everythings bolted in nicely but ill get some pics of the patch job on the tub and youll smile!! lol
            Last edited by buckhntr17; 01-14-2010, 06:24 PM.

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            • #7
              well drove it today gas tank still sucks changed throttle but needs to be adjusted some chain slipping issues found a couple of worn sprockets and bad bushings also needs some chain anyone with a good line on parts for good prices let me know. at least i got to drive it though hopefully by summer it will be all fixed up.

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              • #8
                hey anyone need that tank we finally changed it

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