Replying to Topic 'Speedos don't work'
I'm not sure if the air pressure (pitot) type speedos are adjustable. If they are, there would be some kind of knob on the back of the speedometer itself. Otherwise, check the hose for its entire length for any kinks. Also, you can use a straightened paperclip to make sure that the hole in the pitot tube on the back of the boat isnt clogged with anything.
Cheers,
DKJ
1992 Supra Mariah - Red
PCM 351HO 285hp - PCM 1.23:1 Transmission
OJ XMP 4 Blade CNC 13x15.5RH
"People do weird things to boats" -Unknown