Iron Sportster bill of material


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Countershaft oiler plug

Two snap rings hold the mainshaft roller bearing into the trap door.
35631-54
1954-1972

35631-73
1973-1984

Added when the trap door w2as introduced in the 1954 K-model.

This part collects oil in the cross-hole and directs it into a little spigot that runs in a hole in the end of the countershaft. From there the oil goes to the gear bearing.

 Sportster_Trap-doorsThe Iron Sportster trap door assembly holds the mainshaft, countershaft, and shifter mechanism.

Sportster_35631-73_35631-54_Countershaft-oiler-plugs.jpg
There are two of the late-model oilers on the left. The shorter part on the right is the -54 part..
Bottom of first column move down to the left

35631-54

1954-1972

Sportster_35631-73_35631-54_Countershaft-oiler-plug.jpg
The shorter part on the right is the -54 part.

35631-73

1973-1984

Sportster_35631-73_Countershaft-oiler-plug_1973-1984.jpg
In 1973, in concert with moving the speedometer drive gear out of the transmission, the oiler was lengthened.

Sportster_35631-73_Countershaft-oiler-plugs.jpgTwo of the -73 parts, note cross hole is not accurately located.
move up a little to the right This is the end.