Gregory Bender

Siren return spring

Moto Guzzi V700, V7 Special, Ambassador, 850 GT, 850 GT California, Eldorado, and 850 California Police models

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Before selling a siren return spring (MG# 13744440) for my Dad, I took some measurements and photos of it.

Thanks to Bill Horribine for sending me some additional information about the return spring. In Bill's own words:

Oh I nearly forgot to mention, apparently there are 2 types of siren return springs.

First type attaches to the main body of the siren as indicated on your website and is attached to the bike via a hole drilled in the battery tray.

The second type, the spring is installed on the pivot shaft.

I suppose you could also opt to utilise both methods.

Siren return spring for friction drive sirens as used on police models of the Moto Guzzi V700, V7 Special, Ambassador, 850 GT, 850 GT California, Eldorado, and 850 California Police motorcycles.
Siren return spring for friction drive sirens as used on police models of the Moto Guzzi V700, V7 Special, Ambassador, 850 GT, 850 GT California, Eldorado, and 850 California Police motorcycles.

Photo courtesy of Gregory Bender.

Siren return spring for friction drive sirens as used on police models of the Moto Guzzi V700, V7 Special, Ambassador, 850 GT, 850 GT California, Eldorado, and 850 California Police motorcycles.
Siren return spring for friction drive sirens as used on police models of the Moto Guzzi V700, V7 Special, Ambassador, 850 GT, 850 GT California, Eldorado, and 850 California Police motorcycles.

Photo courtesy of Gregory Bender.

Siren return spring for friction drive sirens as used on police models of the Moto Guzzi V700, V7 Special, Ambassador, 850 GT, 850 GT California, Eldorado, and 850 California Police motorcycles.
Siren return spring for friction drive sirens as used on police models of the Moto Guzzi V700, V7 Special, Ambassador, 850 GT, 850 GT California, Eldorado, and 850 California Police motorcycles.

Photo courtesy of Gregory Bender.