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 Tach trouble
#11546297
04/16/16 03:39 PM
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Joined: May 2011
Posts: 53
skibuck
OP
Outdoorsman
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OP
Outdoorsman
Joined: May 2011
Posts: 53 |
Tachometer help
I am restoring a boat and put a 1990ish johnson 200 on it. When we first tried it out, the tach worked fine. Now when you first hit the key the tach twitches up and then goes back to zero and stays there with the motor running. Does anyone have a suggestion on where to start troubleshooting?
Thanks TFF!
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Re: Tach trouble
[Re: skibuck]
#11546304
04/16/16 03:47 PM
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Joined: Feb 2015
Posts: 4,724
Flippin-Out
TFF Team Angler
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TFF Team Angler
Joined: Feb 2015
Posts: 4,724 |
The tach runs off of a pick-up on the stator. Those fail, resulting in a misdiagnosis of a tach failure. I believe the shop manual has a test procedure for the stator. Try looking for that procedure and run that. If I'm right, you'll need a new stator. (It's a common failure item, btw.)
Last edited by Flippin-Out; 04/16/16 03:48 PM.
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Re: Tach trouble
[Re: skibuck]
#11547163
04/17/16 01:12 AM
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Joined: Sep 2010
Posts: 1,599
boatwhisperer
Extreme Angler
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Extreme Angler
Joined: Sep 2010
Posts: 1,599 |
boatwhisperer
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