Iron Sportster bill of material


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Shifter pawl left

The pawl is the sear that ratchets the plate.
34477-53
1952-1971

34476-72(2)
1972-1984

The left and right pawls are the identical part in the 1972 and later design, just flipped around.


 Sportster_Trap-doorsThe Iron Sportster trap door assembly holds the mainshaft, countershaft, and shifter mechanism.
../Sportster_34009-52_Shifter-assembly.JPG
The Iron Sportster shifter comes as the 34009-52 assembly.
Bottom of first column move down to the left

34477-53

1952-1971

Sportster_34477-53_Shifter-pawl-left_1952-1971.jpg

The little slot picks up a pin so this pawl does not rotate. A spring fits inside to press it against the cam plate.

Sportster_34477-53_Shifter-pawl-left-alt_1952-1971.jpg

Another view.
move up a little to the right move down to the left

34476-72(2)

1972-1984

Sportster_34476-72_Shifter-pawl-early_1972-1984.jpg.jpg

These are the pawls from the earlier 1972 design.
.
Sportster_34476-72_Shifter-pawl-early-alt_1972-1984.jpg.jpg

The pawl above is from later production of the part. It has much more metal where the spring attaches.
move up a little to the right move down to the left
Sportster_34476-72_Shifter-pawl_1972-1984.jpg

The later production pawls, there are two used.

Sportster_34476-72_Shifter-pawl-alt_1972-1984.jpg

Here is the backside of the late-model shifter pawls.
move up a little to the right move down to the left
Sportster_34476-72_Shifter-pawl_compare.jpg

All four pawls set together for comparison.



Assembly views


Sportster_34476-72_Shifter-assembly-early.jpg

This earlier -72 part has smaller diameters of the "hooks".
move up a little to the right move down to the left

Assemblies (cont)


Sportster_34476-72_Shifter-assembly-late.jpg

This later version has larger-diameter material on the hooks where they mount to the carrier.
move up a little to the right This is the end.