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 Post subject: Rev counter
PostPosted: Tue May 21, 2013 12:09 pm 
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Joined: Wed Aug 12, 2009 11:17 am
Posts: 7
I have recently fitted Rex Caunt electronic ignition to my 125 Sport but would love to see what revs I am making etc. does anyone know of a digital counter that can be easliy fitted? Ian Skinner emailed me details of his mechanical fitting but it did seem complex and expensive!
Regards Rob :geek:


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 Post subject: Re: Rev counter
PostPosted: Tue May 21, 2013 10:24 pm 
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Joined: Mon Aug 10, 2009 5:18 pm
Posts: 1380
On my RUMIs, I use speedos & rev.counters from MMB in Germany.
Good stuff.


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 Post subject: Re: Rev counter
PostPosted: Wed May 22, 2013 9:35 am 
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Joined: Mon Aug 24, 2009 12:36 pm
Posts: 356
Location: South Wales UK
rob wrote:
I have recently fitted Rex Caunt electronic ignition to my 125 Sport but would love to see what revs I am making etc. does anyone know of a digital counter that can be easliy fitted? Ian Skinner emailed me details of his mechanical fitting but it did seem complex and expensive!
Regards Rob :geek:


A rough and ready solution used by some owners:-

http://www.ebay.co.uk/itm/Spark-Plugs-E ... 20cfa5a338

Ian


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 Post subject: Re: Rev counter
PostPosted: Wed May 22, 2013 12:30 pm 
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Joined: Mon Aug 10, 2009 5:18 pm
Posts: 1380
You might like the looks of MMB instruments the better?
They can be had in many sizes - White faced or Black faced - red pointers, and, and...

Best of all, those instruments are programmeable, so can be suited to YOUR gearings, YOUR Wheels etc. becoming very, very presice in there showings!
A bit disappointing though, could be "the 10-15% lower topspeed" of the vehicle in question - since most mechanical speedos are flattering the motorcycles, by giving false, too high readings.
No so here...


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 Post subject: Re: Rev counter
PostPosted: Wed May 22, 2013 12:31 pm 
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Joined: Mon Aug 10, 2009 5:18 pm
Posts: 1380
Lost the Picture...
Here it is.


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 Post subject: Re: Rev counter
PostPosted: Wed May 22, 2013 9:04 pm 
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Joined: Mon Aug 24, 2009 12:36 pm
Posts: 356
Location: South Wales UK
My Formi Sport with period Smiths mechanical tachometer, cable and drive from the end of the crankshaft. Same mechanics as the tacho on my SSBC motorcycle.

Ian


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 Post subject: Re: Rev counter
PostPosted: Thu May 30, 2013 10:15 pm 
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Joined: Fri Dec 28, 2012 7:03 pm
Posts: 168
ian thats the way to do it,or you can get the electronic rev counter unit fitted to the end of a mk2 jaguar and the rev counter unit and it will give you the exact revs,theunit oncam generates its own power only 2 wires reqired,


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 Post subject: Re: Rev counter
PostPosted: Thu May 30, 2013 10:17 pm 
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Joined: Fri Dec 28, 2012 7:03 pm
Posts: 168
should have read fitted to the end of mk2 jaguar camshaft and


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