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Old 28 July 2021, 04:22   #1
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Country: UK - England
Town: Salisbury
Boat name: Escapade
Make: Cobra 8.6
Length: 8m +
Engine: diesel Yanmar 315hp
Join Date: Mar 2004
Posts: 98
Rev counter problems

Advice please, the rev counter on my Cobra keeps returning to zero after a while of running & the returns to normal anyone had this happen before, the engine is a Yanmar 6LP-STZE
Ken I bet you know this problem.
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Philip Hodson is offline   Reply With Quote
Old 31 July 2021, 14:09   #2
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Hi Philip.
Iím not sure if itís of help, but a while back, my rev. Counter showed 8000 rpm at tickover, and was erratic. That was a Mercury Rev counter, with a Mariner outboard, so obviously a very different set up. I eventually found some help on a Faria gauge website.
Even though a different make, it suggested moving the settings on the rear of the Rev counter, from its correct setting for number of cylinders, to a ď wrong settingĒ, then back to correct setting. This seemed to reset the gauge, and I never had a problem afterwards.
Itís a simple thing to try first.
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