Footboard engine and transmission mounting bolt length
Moto Guzzi V700, V7 Special, Ambassador, 850 GT, 850 GT California, Eldorado, and 850 California Police models
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The transmission mounting bolt length is the same as is used with foot pegs. This is because the width gained from the removal of the foot pegs provides adequate space to mount the footboards. The engine mounting bolt length, however, must be longer when footboards are fitted to accommodate the additional thickness of the footboard rails. Furthermore, there were two styles of mounting bolts. One style was a hex bolt. The other style was a rod threaded on each end.
Hex bolt dimensions
Front
- Diameter: 12 mm
- Thread pitch: 1.5 mm
- Overall length (measured from under the head to the tip): 348 mm
- Length of threads: 20 mm
Rear (same as bolt for foot pegs)
- Diameter: 12 mm
- Thread pitch: 1.5 mm
- Overall length (measured from under the head to the tip): not yet measured mm
- Length of threads: not yet measured mm
Threaded rod dimensions
Thanks to Robert Janka for providing these measurements to me.
Front
- Diameter: 12 mm
- Thread pitch: 1.5 mm
- Overall length (measured from tip to tip): 360 mm
- Length of threads (equal on both ends): 19 mm
Rear
- Diameter: 12 mm
- Thread pitch: 1.5 mm
- Overall length (measured from tip to tip): 343 mm
- Length of threads (equal on both ends): 16 mm