Under Seat Gas Tank

[PhilAddison]

Why not just run off the gas in the underseat tank and then call it zero. Tank capacity is about 32-33 gallons. You smartcraft gauge can be set to default (%) or can actually be calibrated to actual gallons. You can not use your gauge to read both underseat and rear tanks in actual gallons but they can be used in the default mode.

[Bass Cat Boats]

Figuring out your Smart Craft gauge for fuel is on page 119 of the Smart Craft owners manual. https://mercurymarine-gsdesign1.netdna- … _guide.pdf

[Bass Cat Boats]

A bright flashlight held against the glass should show the line in the fuel tank.

[txmrbass]

I replaced the round black cover that is under the seat for access to the fuel gauge sending unit with a clear Plexiglas cover that a cut from piece I had laying around. Now I just lift the seat and set a flashlight on the clear cover and it puts enough light in the tank to see the level through the window.

[MeanV2]

txmrbass wrote:I replaced the round black cover that is under the seat for access to the fuel gauge sending unit with a clear Plexiglas cover that a cut from piece I had laying around. Now I just lift the seat and set a flashlight on the clear cover and it puts enough light in the tank to see the level through the window. Slick idea!Dan

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