Quote:
Originally Posted by jasoncooperpcola
Phat you got me thinking. I have never had a trim gauge on any boat before. Well, they did have the gauge but never worked. My motor is going on a 30" bracket and the transom will be closed. Should be able to see it. So for gauges i am thinking tach, hours, water pressure, water temp, fuel, and maybe a speedometer. How does the hose on the lower unit work? I can feel the hose by the shift shaft.
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It's a pitot hose. A pitot tube is a pressure measurement instrument used to measure fluid flow velocity. It connects to the back of your speedo and as your boat moves thru the water the water pressure on the air trapped inside of the hose increases, and as the pressure increases your speedo registers that increase on your speedo dial as your speed.
This is a pic of your trim sender.
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1987 V20 w/1987 150HP Yamaha on a Shoreland'r Trailer
1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer
1996 V21 w/1993 200HP Mercury on a Shoreline Trailer
All towed by a 5.7L Hemi Durango.
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