Author Topic: Pattern Instruments  (Read 750 times)

Offline Grewth

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Pattern Instruments
« on: June 07, 2025, 10:38:34 AM »
I've just acquired these from an eBay seller.
Bought for a project but apparently never used.
I'm just hoping that someone can tell me who made them.
They're obviously not genuine Honda.
I'm sort of hoping they're made by Emgo in Taiwan,  they have a pretty good reputation for quality.
I can live with the not quite correct dial colour and markings that might upset the rivet counters. [ Guests cannot view attachments ] [ Guests cannot view attachments ]

Offline flatfour

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Re: Pattern Instruments
« Reply #1 on: June 07, 2025, 05:14:49 PM »
I once had some clocks that looked identical to that and were fitted to my CB750, whilst the originals were away for restoration.

The speedo was fine and, as with yours the tacho red line was incorrect. However the most concerning thing that I found was that the tacho readings were out by a huge amount, often several thousand rpm.

When I refitted the originals, I gave them away to a member of this forum who, like me wanted them for a temporary fit.

Offline Grewth

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Re: Pattern Instruments
« Reply #2 on: June 07, 2025, 06:18:54 PM »
Oh well,  I only paid £90 for the whole lot, and I believe that Silvers will charge that much just for the chromed backing plates.
Judging by the zero mileage on the speedo,  someone decided to reject these even before fitting them.
Well, I've got various genuine Honda items in various states of disrepair.
I can compare them with the Honda units to check accuracy.
Actually I've just had an idea.
If my pattern tacho turns out to be similarly inaccurate,  I'm wondering if I could cut the jointing ring and transplant the  Nippon Seiki internals into the pattern clock body ?

Offline martin_uk

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Re: Pattern Instruments
« Reply #3 on: August 15, 2025, 04:20:31 PM »
I had same problem with DS repro Tacho, under reading and over damped from first use, but too late to return.
1977 CB750F1
1977 CB750f1 836
1978 CB750F1
1975 CB500K1

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