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2004 BF150 Tacho Needle Wander

SimonSambosi

New member
Hi all

New here so hi to you all. I have owned my 2004 BF150 from new and she is coming up on 2,500 hours so the boat and gauges are getting a bit tired with problems to hourmeter, fuel gauge and tacho. I think I can work my way through the first two but have not found the issue I have with Dr Google for the tacho.

Basically for the last few hundred hours the motor runs fine and I know the revs from the sound but at say 4000-4200 rpm the gauge will be well over 5000 rpm. A few taps and it changes to normally the correct position. Figure while I am getting the other two in order I may as well have a crack at this.

Gauge is Faria brand.

Any ideas of what to test to start with would be appreciated.

Cheers Simon
 
twist the selector switch a few times to clean its contacts...some like t0 spray that switch w/ WD-40 and then give it a few rotations...
 
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