Tach goes to 10000rpm when bike is switched on

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James
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Posts: 39
Joined: Tue Jul 28, 2015 1:51 pm

Tach goes to 10000rpm when bike is switched on

Post by James »

The tach on my Classic goes to 10000rpm and stays there when the ignition is switched on (not started). Where should I start to look when trouble shooting?
James
moderator
Posts: 39
Joined: Tue Jul 28, 2015 1:51 pm

Re: Tach goes to 10000rpm when bike is switched on

Post by James »

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Anthony Duffield
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Posts: 320
Joined: Sun Aug 11, 2013 8:13 am

Re: Tach goes to 10000rpm when bike is switched on

Post by Anthony Duffield »

James,

I do not know enough about the aircooled bikes to be of assistance, JB on this forum has a lot of experience, if you cannot find him with a search let me know.

Tony
Anthony Duffield
Site Admin
Posts: 320
Joined: Sun Aug 11, 2013 8:13 am

Re: Tach goes to 10000rpm when bike is switched on

Post by Anthony Duffield »

James,

Search for johnbirchjar, you will be able to send JB a private message.

Tony
James
moderator
Posts: 39
Joined: Tue Jul 28, 2015 1:51 pm

Re: Tach goes to 10000rpm when bike is switched on

Post by James »

one clue that will not go away is the tach malfunction, with the key on, I unplugged each connector in the wiring harness one by one. It did not change with all the connectors unplugged, so it has to be the tach or the binnacle wiring, visibly it seemed good.
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