Transmission - Comparison of early and late 4th gear and bushing used in 4 speed transmissions
Moto Guzzi V700, V7 Special, Ambassador, 850 GT, 850 GT California, Eldorado, and 850 California Police models
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Thanks to Charlie Mullendore of Antietam Classic Cycle for sending me this information.

Lategear and bushing on left,
early on right. Guzzi apparently revised the bushing and gear to correct the problem of the 4th gear bushing fracturing at the flange.
Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.

latebushing (and ID of the gear) is 24 mm, the early bushing and gear is 23 mm.
Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.

latebushing has crossed oiling grooves inside.
Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.

earlybushing has a shallow groove inside and out with two radial holes.
Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.

Multipurpose 932 Bearing Bronzealready, so thought I'd try making one of the
earlytype bushings since they are no longer available anywhere in the world. In about 45 minutes I had turned the one on the left out.
Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.

Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.

Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.