1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Manual, Page 327Get this manual
Sending Unit Adjustment r,1 1The sending unit eccentric cam must be adjusted so that the gauge needle is aligned with the lowest gauge mark with the motor trimmed all the way DOWN
Check if the gauge needle is above or below the lowest gauge mark Tilt engine UP and engage trailering lock
i eccentric cam while the engine is being tilted
"" 3To avoid personal injury, do not adjust the sending unit
LJ l!J sending
rl r:;] 4When the motor is trimmed all the way DOWN the unit lever touches the eccentric cam just forward of the top of the cam at about