Why is the speedometer on my boat not working?
The usual problems are a blocked orifice (little hole in the arm), a blocked vinyl tube and a disconnected, broken, cracked or holed vinyl tube. The easy way to check if to remove the tube from the pitot tube mount and blow into the vinyl hose. If the speedo moves, it’s likely the pitot is plugged.
How does my boat speedometer work?
A speedometer on a boat works by using a pitometer. The pitometer works by comparing how fast your boat is going against the speed of the water you’re travelling on. This works by measuring the speed of water coming into a tube compared to air pressure to give an estimated speed figure.
How can I Fix my Mercury speedometer reading?
This problem is easy to fix with one simple tool a drill bit. Locate the tiny hole on the leading edge of your lower unit. This is where water is forced in and runs to the back of the speedometer, giving you your reading. Find a drill bit that fits appropriately into the hole.
Why is my speedometer not working on my outboard?
As you sail, water is forced into a small hole either in the pitat pick-up or in the lower unit of the motor. The water forces the air in the tube to compress and moves the needle to show your speed. If the hole becomes clogged or damaged you will receive no reading or one that is inaccurate.
Are there any problems with the speedometer on a vintage car?
Fortunately, problems with mechanically operated speedometers can often be resolved with a little effort. Here we’ll talk about how they work and common problems on vintage automobiles.
Why do I have a hole in my speedometer?
As you sail, water is forced into a small hole either in the pitat pick-up or in the lower unit of the motor. The water forces the air in the tube to compress and moves the needle to show your speed.
This problem is easy to fix with one simple tool a drill bit. Locate the tiny hole on the leading edge of your lower unit. This is where water is forced in and runs to the back of the speedometer, giving you your reading. Find a drill bit that fits appropriately into the hole.
Fortunately, problems with mechanically operated speedometers can often be resolved with a little effort. Here we’ll talk about how they work and common problems on vintage automobiles.
What causes the speedometer cable to dry out?
When they assembled the speedometer cable at the factory, they filled the cable with bearing grease and then sealed both ends. This lubricant can leak out, deteriorate, or dry up over long periods of time. Without lubrication, the operation becomes noisy, but this is not the only problem.
Why is my water pressure speedometer not working?
You may have an obstruction causing the instrument to not function properly. Your outboard has a water pressure speedometer located on the lower unit of your motor. From time to time, this feature will get clogged with debris, weeds and gravel. This problem is easy to fix with one simple tool a drill bit.