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Eastern M/C Parts
5120 Hilda Rd
Blackville, SC 29817
Ph  803-284-3304
Fax 800-553-3401
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____**EASTERN MOTORCYCLE PARTS**____
**CRANKCASE**
**SIDE VALVE**
**BIG TWIN 1937-1948**




















































____*5120 HILDA ROAD*  BLACKVILLE,SC 29817  *803-284-3304*____
*Pg 56*

____**EASTERN MOTORCYCLE PARTS**____
**CRANKCASE**
**SIDE VALVE**
**BIG TWIN 1937-1948**

        EASTERN      OEM
        NUMBER      NUMBER           DESCRIPTION
    1    A-333         333        pk-25   DOWEL PINS, OIL STRAINER, BIG TWIN 1937-1948
    1A   A-9220-24     9220       set-24  BEARINGS, CASE BUSHING **L/SIDE** (STD) BIG TWIN 1930-1957
         A-9221-24     9221       set-24  BEARINGS, CASE BUSHING **L/SIDE** (.0002) BIG TWIN 1930-1957
         A-9222-24     9222       set-24  BEARINGS, CASE BUSHING **L/SIDE** (.0004) BIG TWIN 1930-1957
         A-9223-24     9223       set-24  BEARINGS, CASE BUSHING **L/SIDE** (.0006) BIG TWIN 1930-1957
         A-9224-24     9224       set-24  BEARINGS, CASE BUSHING **L/SIDE** (.0008) BIG TWIN 1930-1957
         A-9225-24     9225       set-24  BEARINGS, CASE BUSHING **L/SIDE** (+.001) BIG TWIN 1930-1957
         A-9226-24                set-24  BEARINGS, CASE BUSHING **L/SIDE** (+.002) BIG TWIN 1930-1957
    2    A-9261-12     9261       set-12  BEARINGS, CASE BUSHING **R/SIDE** (STD) BIG TWIN 1937-1954
         A-9262-12     9262       set-12  BEARINGS, CASE BUSHING **R/SIDE** (.0002) BIG TWIN 1937-1954
         A-9263-12     9263       set-12  BEARINGS, CASE BUSHING **R/SIDE** (.0004) BIG TWIN 1937-1954
         A-9264-12     9264       set-12  BEARINGS, CASE BUSHING **R/SIDE** (.0006) BIG TWIN 1937-1954
         A-9265-12     9265       set-12  BEARINGS, CASE BUSHING **R/SIDE** (.0008) BIG TWIN 1937-1954
         A-9266-12     9266       set-12  BEARINGS, CASE BUSHING **R/SIDE** (+.001) BIG TWIN 1937-1954
    3    Y-21-960      24490-36   each    CRANKCASE MOTOR GUARD **CHROME** BIG TWIN 1936-1984
    4    A-24595-40    24595-40   each    CASE BUSHING **RIGHT SIDE** (STD) BIG TWIN 1940-1948
         A-24596-40    24596-40   each    CASE BUSHING **RIGHT SIDE** (.002) BIG TWIN 1940-1948
         A-24597-40    24597-40   each    CASE BUSHING **RIGHT SIDE** (.005) BIG TWIN 1940-1948
         A-24598-40               each    CASE BUSHING **RIGHT SIDE** (.010) BIG TWIN 1940-1948
         A-24598-40B              each    CASE BUSHING **RIGHT SIDE** (.015) BIG TWIN 1940-1948
    5    A-24621-40    24621-40   each    CASE BUSHING **LEFT SIDE** (STD) BIG TWIN 1940-1954
         A-24622-40    24622-40   each    CASE BUSHING **LEFT SIDE** (.002) BIG TWIN 1940-1954
         A-24623-40    24623-40   each    CASE BUSHING **LEFT SIDE** (.005) BIG TWIN 1940-1954
         A-24623-78               each    CASE BUSHING **LEFT SIDE** (.010) BIG TWIN 1940-1954
         A-24623-79               each    CASE BUSHING **LEFT SIDE** (.015) BIG TWIN 1940-1954
         A-24623-80               each    CASE BUSHING **LEFT SIDE** (.020) BIG TWIN 1940-1954
         A-24623-81               each    CASE BUSHING **LEFT SIDE** (.025) BIG TWIN 1940-1954
    6    A-24690-40    24690-40   pk-5    WASHERS, CASE BUSHING **RIGHT SIDE** BIG TWIN 1940-1954
    6A   A-24696-40    24696-40   each    SEAL RING HAT, FOR PINION SHAFT, BIG TWIN 1940-1948
    7    A-24700-37    24700-37   pk-10   SPRING, GEAR SHAFT SEAL RING, BIG TWIN 1937-1948
    7A   A-24702-40    24702-40   pk-10   RETAINING RING, CASE BUSHING, BIG TWIN 1940-1954
    8    A-24721-30    24721-30   each    ROLLER RETAINER, **LEFT SIDE** BIG TWIN 1930-1954
    9    A-24776-40    24776-40   each    OIL SLINGER, **OEM STYLE** BIG TWIN 1940-1954
         A-24776-99               each    OIL SLINGER, **WITH OIL SEAL** BIG TWIN 1940-1954
    10   A-24779-40    24779-40   pk-5    WASHERS, CASE BUSHING **LEFT SIDE** BIG TWIN 1940-1954
    11   A-24779-55    24779-55   pk-10   RETAINING RINGS, LEFT BEARING, BIG TWIN 1955-1968
    12   A-24781-36    24781-36   pk-5    SPACER, CASE BUSHING **LEFT SIDE** BIG TWIN 1937-1954
    13   L-3-723       24921-37   pk-10   GASKET, CRANKCASE RELIEF PIPE, BIG TWIN 1937-1948
    14   A-24975-37    24975-37   each    OIL STRAINER (ONLY), LOWER CRANKCASE, BIG TWIN 1937-1948
         A-24975-KIT              kit     OIL STRAINER (WITH GASKET & PIN), BIG TWIN 1937-1948
    15   L-3-705       25227-37   pk-10   GASKET, CAM GEAR COVER, BIG TWIN 1937-1948
    16   A-25287-37    25287-37   pk-10   SPRING, SEAL RING, BIG TWIN 1937-1948
    17   A-25586-37    25586-37   each    BUSHING, CAM GEAR COVER (1-3-4) BIG TWIN 1937-1973
         A-25586-37+5  25586-37   each    BUSHING, CAM GEAR COVER (1-3-4) (.005 O/S) BIG TWIN 1937-1973
         A-25586-37+10 25586-37   each    BUSHING, CAM GEAR COVER (1-3-4) (.010 O/S) BIG TWIN 1937-197
    18   A-25588-37    25588-37   each    BUSHING, CAM GEAR COVER (#-2) BIG TWIN 1937-1948



____*5120 HILDA ROAD*  BLACKVILLE,SC 29817  *803-284-3304*____
*Pg 57*

____**EASTERN MOTORCYCLE PARTS**____
**CRANKCASE**
**SIDE VALVE**
**BIG TWIN 1937-1948**

        EASTERN      OEM
        NUMBER      NUMBER           DESCRIPTION
    19   A-25590-37    25590-37   each    BUSHING, CAM GEAR COVER, BIG TWIN 1937-1948
    20   A-25591-37    25591-37   each    BUSHING, PINION GEAR SHAFT, BIG TWIN 1937-1948
    21   A-25599-37    25599-37   each    BUSHING, CAM GEAR, BIG TWIN 1937-1948
         A-25599-37+5  25599-37   each    BUSHING, CAM GEAR, (.005 OVERSIZE) FLATHEAD 1937-1948
         A-25599-37+10 25599-37   each    BUSHING, CAM GEAR, (.010 OVERSIZE) FLATHEAD 1937-1948
    22   A-25785-30A   25785-30A  pair    BUSHINGS, IDLER GEAR, BIG TWIN 1937-1948
    23   A-25788-30    25788-30   each    STUD, IDLER GEAR, BIG TWIN 1932-1948
    24   A-25788-77               kit     KIT, IDLER GEAR STUD & BUSHING ONLY, BIG TWIN 1937-1948
         A-25788-87               kit     KIT, IDLER GEAR STUD, BUSHING & SCREW BIG TWIN 1937-1948
    25   A-25794-30    25794-30   pk-5    SCREWS, IDLER GEAR STUD, BIG TWIN 1932-1948
    26   A-26383-32    26383-32   pk-5    ADJUSTING SCREW, BIG TWIN 1933-1983
    27   A-26550-38A   26550-38A  each    OIL PRESSURE SWITCH, BIG TWIN 1938-1948
    28   A-31071-37    31071-37   each    GENERATOR DRIVE GEAR, (WITH SLINGER) BIG TWIN 1937-1948




































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