FastCounter by bCentral

1.

Find the Model and Year in Column 1.

2.

Move right to Columns 2 through 6 for the dimensions.

Data:

Measured (all are approximate or nominal):

OD:

Diameter at center roller bearing journal area

Taper:

Diameter at flywheel

Roller:

OD of roller bearings

Race:

ID of connecting rod big end race

Width:

Across the center roller bearing journal area

Motor

Type

OD

Taper

Roller

Race

Width

45 1929-73 all D, R, W, G etc.

Straight

1"

1"

1/4"

1.500"

1-3/8"

WLDR, WR 1939-51; KR 1953-54

Stepped

1-1/4

1

3/16

1.625

1-3/8

K 1952-53 (no tapers, ends are pressed in)

Straight

1-1/4

NA

3/16

1.625

1-1/2

KH 1954-56; all Sportster & Evo Sportster 1957-* 883, 900, 1000, 1100 & 1200cc

Straight

1-1/4

1-1/4

3/16

1.625

1-1/2

KR 1955-69, KHR 1955-56, XR-750

Stepped

1-1/2

1-1/4

5/16

2.125

1-1/2

J-Series 1915-29; V-Series 1930-36

Straight

1

1

1/4

1.500

1-3/4

E-Series 1936-39; U-Series 1937-39

Straight

1-1/8

1-1/8

1/4

1.625

1-3/4

E-Series 1940-52; U-Series 1940-48

Stepped

1-1/4

1-1/8

3/16

1.625

1-3/4

F-Series 1941-2000 (except Twin-Cam)

Straight

1-1/4

1-1/4

3/16

1.625

1-3/4

A pin with the OD (Column 3) larger than the taper (Column 3) is commonly called a "stepped" pin; a pin with the OD equal to the taper is called a "straight" pin.

"Harley-Davidson" name for reference purposes only. Not affiliated with Harley-Davidson Motor Co.

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