trying to find someone who can tell me the size of my motor off

  • May 27, 2014 12:41 PM PDT
     If someone can help with this or knows where to look to find out it would b greatly appreciated
  • May 27, 2014 2:06 PM PDT
    Does this help?

    Crankcase Identification Numbers
    Numbers located on both left and right
    crankcase halves.

    Big Twin: Left Case - Outside, Lower Front
    Right Case - Inside, Gearcase Compartment

    XL Models: Left Case - Inside,
    Primary Compartment
    Right Case - Outside, Near Oil Pump

    Stamped at Capitol Drive Facility
    Used to identify engine and track
    production changes

    Example: 1588 321 007

    15 = Engine Designation
    1 = 1200cc Shovelhead
    7 = 1000cc Iron XL
    14 = 1340cc Shovelhead
    15 = 1340cc Evolution
    16 = XR-1000
    17 = 883cc Evolution XL
    18 = 1100cc Evolution XL
    19 = 1200cc Evolution XL
    20 = 1340cc Evolution,
    California (1988 - *)
    21 = 883cc Evolution XL,
    California (1988 - *)
    22 = 1200cc Evolution XL,
    California (1988 - *)

    88 = Model Year

    321 = Day of Production:
    001 = Jan. 1st                182 = Jul. 1st
    032 = Feb. 1st                 213 = Aug. 1st
    060 = Mar. 1st                244 = Sep. 1st
    091 = Apr. 1st                 274 = Oct. 1st
    121 = May 1st               305 = Nov. 1st
    152 = Jun. 1st               335 = Dec. 1st

    007 = Number That Day
  • May 30, 2014 1:15 AM PDT
    Thanks for the info gotta check that out when i get home.