Iron Sportster bill of material


Blog BOM Custom Design
Garage OSARM Repair Smörg

Countershaft low gear washer, right

This part is very long-lived. Pretty much one part # for all K-models and Sportsters.
There are twelve different part numbers with different thicknesses.

35818-72 0.020
35327-73 0.025
35819-72 0.030
35328-73 0.035
35821-72 0.040
35329-73 0.045
35820-52 0.050
35821-52 0.055
35824-52 0.060
35825-52 0.065
35828-52 0.070
35829-52 0.075

There were 6 thicknesses in 1952, but another 6 were introduced around the time the speedo drive changed from the transmission to the front wheel.
 Sportster_CountershaftsThe left countershaft has a spiral gear as part of the low or 1st gear. It drives the speedometer on 1952 to 1972 models. The right countershaft is what would be used on 1973 to 1984 Iron Sportsters, the speedo is from the front wheel.

Countershaft-thrust-washer-low-gear-right_highlight.jpg
The washer goes outside of low gear, where the darker circle is in this picture.
Bottom of first column move down to the left
Countershaft-thrust-washer-low-gear-right_35818-72_35327-73_35819-72_35328-73_35821-72_35329-73_35820-52_35821-52_35824-52_35825-52_35828-52_35829-52.jpgCountershaft thrust washer low gear right; 35818-72, 35327-73, 35819-72, 35328-73, 35821-72, 35329-73, 35820-52, 35821-52, 35824-52, 35825-52, 35828-52, 35829-52Countershaft-thrust-washer-low-gear-right_location.jpgHere is the install location.Countershaft-thrust-washer-low-gear-right_spread.jpgYou may have to stack two washers.

Countershaft-thrust-washer-low-gear-right_stack.jpgA few of the different thickness. The little gaps mean a washer is bent. Toss it.Countershaft-thrust-washer-low-gear-right_damage.jpgThe left washer has a strike mark where it is touching the right one, which has a groove. You can flip the right one to run it.
move up a little to the right This is the end.