It certainly looks like a siren. It appears that you are right about it being an ex-police bike.
Cheers,
Colin
Mototrans Identification...
Moderator: ajleone
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Duccout
- Posts: 1543
- Joined: Wed Feb 05, 2020 1:20 pm
- Location: Essex UK
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Roland
- Posts: 39
- Joined: Sat Jul 20, 2024 10:23 pm
- Location: Germany
Re: Mototrans Identification...
need something like that,
it remembers me on german StuKas, WW2

it remembers me on german StuKas, WW2
350 Scrambler, 1973
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ranton_rambler
- Posts: 521
- Joined: Sun Jun 04, 2017 11:33 am
- Location: Stafford UK
Re: Mototrans Identification...
Roland wrote:a siren driven by the rear wheel?
Very strange!
I think the Moto Guzzi police bikes in the USA also had friction-drive sirens.
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Boxprod
- Posts: 45
- Joined: Mon Mar 25, 2024 6:42 pm
- Location: Cornwall
Re: Mototrans Identification...
I had a quick furtle in the web, and it seems that friction-drive sirens were regularly fitted to US police and military bikes from the 1920s on.
You can still get them if you want one!
You can still get them if you want one!
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Aurea1961
- Posts: 13
- Joined: Sun Jan 25, 2026 12:42 pm
- Location: South Germany
Re: Mototrans Identification...
Boxprod wrote:You can still get them if you want one!
mechanical-siren-kit-rear-wheel-p54448-186202_medium.jpg780007.jpg
Not quite sure, but thanks anyway!
But if anybody likes to build a genuine Ducati Police bike: I give a wind screen for free to be picked up here.
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