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Thread: Where can I find the engine serial number?

  1. #1
    Join Date
    Oct 2019
    Location
    Central valley California
    --
    9

    Where can I find the engine serial number?

    On the neck of the trike, it says 185s but the year is rubbed off.

  2. #2
    Join Date
    May 2009
    Location
    S.E. Michigan
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    1,250
    The VIN should be stamped on the side of the neck (stamped in metal, not the foil sticker).

    10th digit (a letter) in the VIN is the year:
    1980: A
    1981: B
    1982: C
    etc...
    1987: H

    The engine serial number is usually stamped on the side of the crankcase where the shifter shaft is. Look for a rectangular flat area where the shifter goes into the crankcase, and wipe away any dirt and grime. You should see the engine code there.
    - Frank

    1984 200ES Big Red
    1985 350X (x2)
    1986 350X
    1986 250SX
    1984 Auto-X
    1984 ATC70
    1985 ATC70

  3. #3
    Join Date
    Oct 2019
    Location
    Central valley California
    --
    9
    Thank you wonderboy.

  4. #4
    Join Date
    Apr 2012
    Location
    USA
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    4,114
    Yep, engine serial is under the sprocket area. Frame VIN number could be before the 17 digit standard, if so it's a 1980 and starts with TB01. The engine serial all starts with TB01E for the 185/185S engines. The atc200 and 200s engines start with TB05E. The ending part of the serial identifies make/model/year, first part is a generic model code for the engine (200m, 200es, 200e, 200x etc uses the same code).

    FYI, it's possible your engine could have been swapped, there's a few models that interchange, so never hurts to check frame VIN & engine serial to know what you have.

    Vin/Engine Serial Decoder: http://atvmanual.com/honda/interacti...er-atv-and-atc

    Manual VIN/Engine lookup table: http://atvmanual.com/honda/frame-vin...serial-numbers
    Last edited by ps2fixer; 10-12-2019 at 02:33 PM.

  5. #5
    Join Date
    Oct 2019
    Location
    Central valley California
    --
    9
    Ok so my 2 frames say,
    1. TBO1 2014601
    2.JH3TB0100CC272694
    I need to get out the pressure washer again to get the engine number.
    Engine number coming soon.

  6. #6
    Join Date
    Apr 2012
    Location
    USA
    --
    4,114
    TB01 2014601 = VIN decoded to: 1980 ATC185

    JH3TB0100CC272694 = VIN decoded to: 1982 ATC185S

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