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Author Topic: Thread size for the mirrors?  (Read 987 times)

Offline Mikep328

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Thread size for the mirrors?
« on: August 01, 2025, 07:29:38 PM »
Hi all, I installed the new handlebar mirrors today and want to "plug" the holes where the OEM mirrors screwed in.  Anybody know the thread size?
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1976 CB400F
1973 Norton 850 Commando
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2017 BMW R1200RS
2021 Moto Guzzi V7 Special
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Offline Bryanj

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Re: Thread size for the mirrors?
« Reply #1 on: August 01, 2025, 08:37:54 PM »
M10 i think bur not sure of pitch
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Offline exvalvesetdabbler

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Re: Thread size for the mirrors?
« Reply #2 on: August 01, 2025, 09:13:35 PM »
M10 x 1.25 on mine

Find a spare M8 x 1.25 bolt and compare thread pitch with the old  mirror by interlocking the threads side by side.

Regards
Dave
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Offline taysidedragon

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Re: Thread size for the mirrors?
« Reply #3 on: August 01, 2025, 11:48:29 PM »
On mine I plugged the holes with rubber hole plugs, the slightly domed ones. They're just a push fit and have never moved.
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Gareth

1977 CB400F
1965 T100SS

Offline Mikep328

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Re: Thread size for the mirrors?
« Reply #4 on: August 02, 2025, 06:02:48 AM »
Good idea!!  I'll do that, thanks!!!
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Mine:
1976 CB400F
1973 Norton 850 Commando
2015 BMW R9T
2017 BMW R1200RS
2021 Moto Guzzi V7 Special
Wife's:
2015 Ducati Diavel
2019 Honda Africa Twin
2019 Honda NCT750
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