Shift linkage bushings
Moto Guzzi V700, V7 Special, Ambassador, 850 GT, 850 GT California, Eldorado, and 850 California Police models
There are three plastic bushings that are used in the shift linkage on my 4-speed, left side shift transmission. Here are the specifications for these bushings:
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Large outer bushing that fits inside the foot peg (MG# 12442105): ID: 20 mm, OD: 26 mm, Width: 20 mm
A suitable replacement is available, McMaster-Carr part number 7811K46. It is made out of bronze, rather than hard plastic.
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Small inner bushing that fits inside the large outer bushing in the foot peg (MG# 12441905): ID: 16 mm, OD: 20 mm, Width: 20 mm
A suitable replacement is available, McMaster-Carr part number 7811K33. It is made out of bronze, rather than hard plastic.
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Small bushing that fits inside the transmission housing, accepting one end of the shift shaft (MG# 12200900): ID: 14 mm, OD: 18 mm, Width: 8 mm
A suitable replacement is available, McMaster-Carr part number 7811K23. It is made out of bronze, rather than hard plastic. It does not come in the exact width needed, but the item number provided is long enough to cut in half and make two.
Note: After replacing my plastic bushings with bronze bushings, I found my shift shaft was binding. I left the bronze bushing embedded within the transmission housing and switched back to the plastic bushings. No more binding. Apparently the system needs some slop...or at least mine did.