- Check the Cause of the Damage. If your boat’s speedometer is not working properly, then it is time to make some basic repairs to your speedometer.
- Locate the Speedometer Tube. When checking for the cause of the malfunction, you need to locate the tube of the speedometer. ...
- Check for Holes/Cuts on the Tube. Once you have located the tube of the speedometer, check to see if there are any holes on the tube that ...
- Disconnect the Speedometer Tube. If the tube of your speedometer is connected to the pitot tube, remove the tube from the speedometer by unscrewing the connector on ...
- Replace the Tube. Check to see if there are any holes or cuts on the tubes. ...
- Replace the Pitot Tube. The cause of malfunction may also be due to a damage pitot tube. ...
- Check the Speedometer. If you do not find any holes or cuts on the tube or the pitot tube, you then need to check the speedometer itself.
- Fix the Speedometer. If the speedometer needle does not move, remove the tube from the speedometer. ...
How to troubleshoot a boat speedometer?
Trace the speedometer tube to the back of the boat, where it will connect either to a pitot tube under the transom or to the lower unit of the outboard motor. Inspect the length of the tube for holes, cuts, kinks or wire ties that visibly pinch the tube. If the tube is cut or has a hole, replace the tube.
How much would it cost to repair a speedometer?
Issues with your sensors or your actual speedometer do not cost much but, if the issue lies deeper and requires additional diagnostics, you can expect to pay between $200 and $400. These prices are just an estimate and your particular case will be different depending on the issue.
How do I get my speedometer recalibrated?
Tire Size and Speedometer Accuracy
- UPSIZING OR DOWNSIZING. You might ask: do bigger tires make your speedometer faster? The answer is no. ...
- PLUS SIZING. Plus sizing means replacing your original equipment tires with a tire that is a different size, but it has the same overall height and diameter.
- Tire Size and Speedometer Calculation. You can also manually calculate your speed. ...
How do you fix the speedometer?
- Q- 160 km/h
- S- 180 km/h
- T- 190 km/h
- U- 200 km/h
- H- 210 km/h
- V- 240 km/h
- W- 270 km/h
- Y- 300 km/h
- (Y)- Above 300 km/h
How do I fix the speedometer on my boat?
0:074:20Boat Speedometer Not Working - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou never want to drive pressure through this tubing up to your speedometer that will ruin yourMoreYou never want to drive pressure through this tubing up to your speedometer that will ruin your speedometer. So what I did is again I put the drill bit in the hole at the bottom.
How do you fix a boat speedometer tube?
0:281:27How to Fix Boat Speedometer: Simple Method - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo we have a 5/64 drill bit right here. I'm just going to put it in there wiggle. It around twist itMoreSo we have a 5/64 drill bit right here. I'm just going to put it in there wiggle. It around twist it it can't go any farther than that and it cleans out the dirt.
How do you fix a speedometer that is not working?
0:336:17Car Speedometer Stopped Working Works Intermittently Or ErraticYouTubeStart of suggested clipEnd of suggested clipAnd the back of the speedometer. Quite often the speedometers would fail or the odometers would stopMoreAnd the back of the speedometer. Quite often the speedometers would fail or the odometers would stop working because of little plastic gears that were inside they would dry out crack and fall apart.
What would cause the speedometer to stop working?
The most common causes of a speedometer that stopped working include are a faulty speed sensor, a broken gear on the speedometer, damaged wiring, or a faulty engine control unit.
How does a marine 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 do you unclog a mercury pitot tube?
Inspect the pitot tube opening, located at the leading edge of the lower unit. To clean debris from the pitot, press in on the speedometer hose junction and pull the hose out. This opens both ends of the tube, and allows you to blow compressed air through the pitot with low-pressure compressed air from a compressor.
Where is the fuse located for the speedometer?
1:402:54KIA OPTIMA SPEEDOMETER FUSE, SPEED SENSOR FUSE LOCATION ...YouTubeStart of suggested clipEnd of suggested clipSo there is a special fuse for the transmission. Control you need number two okay that fuse rightMoreSo there is a special fuse for the transmission. Control you need number two okay that fuse right here that controls that and that's this 15 amp fuse.
How much does it cost to get a speedometer fixed?
Because the cost of repairing a broken speedometer averages around $200, you'll likely want to replace it with a new one. This can run you about $250, but you'll have an entirely new unit. The most common cause of a malfunctioning speedometer is a problem with the speed sensor.
How do you test a speedometer?
A vehicle's speed can be made by measuring the time it takes to travel one mile. The best way to conduct the test is to set cruise at one speed and measure the time it takes to travel between two green mile markers on interstate or other US/state highways.
Can a speedometer be fixed?
Speedometer Not Working: Jerking Or Bouncing Of Speedometer The cause is almost always bad wiring if there is a cable system, or alternatively, a bad speed sensor. For the most part, a replacement of the wiring solves the issue. If that doesn't work, the sensors must be re-calibrated.
Can a blown fuse stop the speedometer?
Bad Wiring or a Faulty Fuse If there's a bad fuse or a bad wire in your car and the speedometer's fuse stops functioning, the speedometer will drop to zero and stay there. A fuse can blow for various reasons, including a bad wiring job or wires getting wet due to exposure.
Where is speedometer sensor located?
0:051:38Vehicle Speed Sensor Location - YouTubeYouTubeStart of suggested clipEnd of suggested clipNow we're going to come down here underneath the vehicle. And we gonna go way in the back. And thereMoreNow we're going to come down here underneath the vehicle. And we gonna go way in the back. And there it is right there with the blue connector on it. It has two wires to go to it.
What to do if your speedometer is not working?
If your boat’s speedometer is not working properly, then it is time to make some basic repairs to your speedometer. However, before you start pulling wires, it is important that you check what is causing the boat’s speedometer to malfunction.
Where is the speedometer tube on a boat?
You will generally find this under the dashboard of your boat up to the center of the speedometer’s back. You can easily recognize the speedometer’s tube because it is thicker than most wiring in the boat, and it is often colored black.
How to check a speedometer if there is no hole?
If you do not find any holes or cuts on the tube or the pitot tube, you then need to check the speedometer itself. Disconnect the tube on the pitot tube or outdoor motor. Blow air into the tube for about 10 seconds. Ask someone to look at the speedometer for you while doing this.
How to remove pitot tube from speedometer?
If the tube of your speedometer is connected to the pitot tube, remove the tube from the speedometer by unscrewing the connector on the pitot tube. If it is connected to the outboard motor, just release the quick-connect joint.
What is a minor boat repair?
A minor boat repair often includes repairing paint chips, repainting some parts of the boat, or fixing your speedometer. Fixing your speedometer is a minor repair. However, if not immediately fixed, your boat can be in for a lot more trouble than you can imagine.
What to do if you find holes in a tube?
If you do find holes on the tube, all you need to do is replace the damaged tube with a new tube. Make sure that you have the same length as the old tube. It is advisable to bring the old tube when you buy the new one so you can get the same specifications.
How to repair a speedometer on a boat?
How to Repair a Boat Speedometer. Look under your boat's dashboard and find the tube running from the center of the back of the speedometer. The tube probably will be black plastic and thicker than most boat wiring. Trace the speedometer tube to the back of the boat, where it will connect either to a pitot tube under the transom or to ...
What happens if you replace a speedometer tube?
When you replace the tube, be sure that it is not pushed against the side of the gear case. When you inspect the speedometer tube in the lower unit, you have the opportunity to lubricate the lower unit as well.
What to do if needle does not move?
If the needle does not move when you blow through the tube, disconnect the tube from the back of the speedometer (it should simply pull off) and use a compressor--at a very low pressure, under 10 psi--to blow any debris out of the tube.
Why does my speedometer fail?
The most common cause of speedometer failure is a plugged pitot tube.
Where is the pitot tube on a boat?
The most common type of boat speedometer has a tube (called a pitot tube) that runs to the back of the transom, or through the lower unit of the outboard motor. When the boat is in motion, water flows into this tube, compressing the air in the tube.