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Mainshaft 2nd gear

This gear has been the same since 1956.
The mainshaft 2nd gear has not changed much since 1956. The factory did change the number of teeth on the earliest gear, from 25, to 24, to 23 in Iron Sportsters from 1956 to 1984.

Sportster_MainshaftThe Iron Sportster mainshaft is a triumph of engineering. The general design has sustained from 1952 to 1984. There were teething problems in the early K-model, but they were all cured by 1957 with the introduction of the Sportster.

 Sportster_Mainshaft-2nd-gear_highlightMainshaft second gear is in the darker oval. Gears are named for carrying power, not the order on the shaft. The gears from left to right are mainshaft low, mainshaft 3rd, mainshaft 2nd, and the clutch gear.
Bottom of first column move down to the left


25 teeth, 1952, 1953


24 teeth, 1954, 1955


23 teeth, 1956 to 1978
Sportster_35296-56_Mainshaft-2nd-gear_1956-1978Sportster_35296-56_Mainshaft-2nd-gear_1956-1978_tp.jpgSportster 35296-56 Mainshaft 2nd-gear, 1956-1978


23 teeth, 1979 to 1984
The part changed to a 35296-56A in 1979, which should retrofit with this gear. Letter suffixes usually mean the part is very similar and will replace the part with no letter suffix.
move up a little to the right This is the end.