Iron Sportster bill of material


Blog BOM Custom Design
Garage OSARM Repair Smörg

Mainshaft ball bearing snap ring

Two snap rings hold the mainshaft roller bearing into the trap door.
Two of part number 35112-52 from 1952 to 1978,

One 35112-52 and one 11006 from 1970 to 1984.

The change in 1979 may be the engineers trying to reduce side-play of the bearing when the clutch is dis-engaged.

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

Sportster_35112-52_Mainshaft-ball-bearing-snap-ring.jpg
Sportster 35112-52 mainshaft roller bearing snap ring. The Iron Sportster takes two of these up until 1978, then one of these and one 11006 from 1979 to 1984.
Bottom of first column move down to the left

35112-52 (2)

1952-1979 (two), 1979-1984 (one)
Sportster_35112-52_Mainshaft-ball-bearing-snap-ring.jpg

11006

1979-1984 (one)
Sportster_11006_Mainshaft-ball-bearing-snap-rings.jpg
I think the part book is saying that in late 1979, the factory replaced the outer snap ring with one of these.
Sportster_11006_Mainshaft-ball-bearing-snap-ring.jpg
move up a little to the right This is the end.