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Harley Davidson Sportster 1970-2003. Owner's Manual - page 3

2В*1
Chapter 2 Part В

Primary drive, clutch and transmission
 

Contents

Clutch and primary drive - removal, inspection and

installation............................................................................................................................................................3

Clutch cable - replacement....................................................................................................................2

General information............................................................................................................................................1

Kickstarter - removal and installation......................................................................................8
Shift pedal - removal and installation......................................................................................7

Transmission components - inspection................................................................................5

Transmission components - removal and installation....................................4

Transmission gear cluster - disassembly and reassembly......................6
 

Specifications

Clutch

Type

197 0................................................................................................... Dry, multi-plate

1971 -on.............................................................................................. Wet, multi-plate

Number of plates

1970 ..................................................................................................................................................................................................7 plain, 7 friction

1971 through early 1984........................................................................................................................................8 plain. 8 friction

Late 1984 through 1990..........................................................................................................................................6 plain, 7 friction

1991 -on............................................................................................................................................................................................7 plain, 8 friction

Number of springs

1970 ................................................................................................. Six

1971 through early 1984.................................................................... Two

Late 1984-on...................................................................................... One (diaphragm spring)

Spring adjustment

197 0......................................................................................................................................................................................................3/16 in (5 mm) from inner surface of spring tension

adjusting plate-to-outer surface of spring cup flange

1971 through 1973..........................................................................................................................................................11/32 in (9 mm) from outer surface of outer drive plate-

outer surface of releasing disc

1974 through early 1984.................................................................... Fixed spacers; 1.53 in (39 mm)

Pushrod free play (1970 only)....................................................................................................................................0.095 to 0.115 in (2.42 to 2.92 mm)

Clutch plate thickness (late 1984 through 1990)

Friction plate

Standard..............................................................................................................................................................................0.150 in (3.81 mm)

Minimum..............................................................................................................................................................................0.130 in (3.3 mm)

Plain (steel) plate

Standard..............................................................................................................................................................................0.0629 in (1.60 mm)

Minimum..............................................................................................................................................................................0.060 in (1.52 mm)

Warpage limit................................................................................................................................................................0.010 in (0.254 mm)

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