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Outboard motor tach problem

Printed From: the12volt.com
Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=15621
Printed Date: August 28, 2025 at 7:50 AM


Topic: Outboard motor tach problem

Posted By: lendad
Subject: Outboard motor tach problem
Date Posted: June 29, 2003 at 3:13 PM

The tach for my 40 hp Yamaha outboard is misbehaving:

When I start the motor, the tach jumps to 7000 (the max peg) and stays there - not moving - regardless of real motor speed. When I shut down the motor, the needle drops back down to 0000.

Any hints?

Thanks !!  :errr:




Replies:

Posted By: MAXST
Date Posted: June 29, 2003 at 9:08 PM

could be a wire problem...find the wire and look for corrsion and stuff..



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