How to install water pressure gauge on outboard motor

When pressure dropped below 2-3 psi engine temperature would start to rise. And connected to the engine with a very long plastic tube.

Put the water pressure gauge tubing into the tap and use the wrench to tighten the nut.

How to install water pressure gauge on outboard motor. Installation tutorial of a mechanical water pressure gauge on a yamaha sho outboard motor. Hard Line Kit with compression fittings. Electrical vs Mechanical.

Go to the engine block and find the water pressure tap. Take off the tap plug using the Allen wrench. Put the water pressure gauge tubing into the tap and use the wrench to tighten the nut.

Run the other end of the water pressure gauge tube to the gauge. Screw it into place and then tighten the nut. Installing a water pressure gauge.

Once you are in if the black bar appears click Remove This Frame in the black bar. Then navigate to Trouble shooting and scroll down to Outboard Water Pressure on the right side. The water pressure gauge has a hose same as pitot tube speedometer hose that taps into the line to the pisser.

Simply cut this line insert the provided Tee and connect the water pressure gauge hose to it and run to the instrument. The water temperature gauge is electrical and needs a positive and negative electrical connection at the instrument. Water pressure gauge design is relatively common among all outboard manufacturers but the method of how the cooling system works is developed is very different.

In order to supply adequate cooling water to the powerhead all outboard motors depend on the size of the water intakes their position on the gearcase and the amount of water available to flow through them up to the water pump. How to Add a Temp Gauge to an Outboard Motor - YouTube. Tee the water line close to the engine block outlet and take pressure sensor off this tee.

The key is know what your normal water pressure is and then to watch it regularly so that any deviation can be an early warning notice - before youve done any damage. Water temp is also a good idea. Baseline your pressure readings by running with the engine at the lowest height at full speed note the pressure reading.

On my old outboards that was 6 to 7 psi. Raising the jackplate I could watch the pressure drop as more and more air entered the intake. When pressure dropped below 2-3 psi engine temperature would start to rise.

Usually boat water pressure gauges come in kits. It makes them more comfortable for the user to install them on the outboard engine. In such a kit you will find fittings tube adapters and the gauge.

In most cases water pressure gauges measure up to 40 PSI because thats more than the maximum pressure you will observe on a boat. Generally high-power boat engines can go up to a maximum of 30 PSI. Water pressure gauges give an accurate pressure reading at all RPM ranges.

As the water pump wears out you notice variations of different pressures. If you happen to run in mud your piss hole becomes clogged but youll have water pressure. Pressure gauges are located on your instrument cluster so your not really taking your eyes off the water.

Installing a water pressure gauge on a 1987 Merc 115 hp outboard. There is already a temp sender in the head cover hole between XXXXX 4 cyclinder. Can I use the tale tell water discharge fitting on top of the block and eliminate the tale tell water stream as I would now have a pressure reading instead.

He says there is a hole in the water pressure gauge tubing. From reading your words in bold sounds like the water pressure gauge and the speedometer gauge function by using 1 pressure tubing from LU to console then splits into 2 plugging into each gauge. The speedometer tubing runs obviously from the LU to the speedo PERIOD.

15 or 30 psi. Kits include hose fittings adapters and zip ties making it compatible with most motors on the market today. Yamaha motors require 61886P adapter kit for installation.

308 162721 15 PSI Black gauge kit 9495. 308-130200 30 PSI Black gauge kit 9495. 308-161886 Yamaha 61886p adapter M14 metric male x 18 NPT female.

While getting out-voted here in my support for installing a water pressure gauge in preference to a temperature gauge I am however in good company. At least one major boat builder I know–and they are strongly partnered with an engine building company– is rigging their boats with a water pressure gauge but no engine temperature gauge. When you buy the temp gauge it can be added to any engine.

But ensure that the temp gauge and the sender of the mercury outboard should be matched. For the water temp gauge you need screws into docks in the water jacket. Make sure that the jacket is approved for.

The water pressure gauge is the best indicator of water pump performance - and it certainly will tell you when the pump starts starving for water on the intake. The sending unit itself is nothing but a fitting that screws into the top of the cylinder assy - should be a 14mm plug at the top of the cylinder assy and near where the head attaches. On an 04 a water pressure gauge would be mechanical -.

The instrument being an actual Bourden tube gauge -. And connected to the engine with a very long plastic tube. Almost exactly the same as the pitot tube speedometer the usual place for connection of the tube to the water jacket.

Locate the power bus where other instruments are connected. Loosen the screws on the bus using a screwdriver and push the spade terminal on the temperature gauges power wire under the screws. Tighten the screws snugly.

Connect the gauges black wire to the boats common ground. SeaStar 68413P Sierra International Eclipse 6 Gauge Kit Includes Fuel Engine Oil Pressure Speed Tach Water Temp Gauges 38 out of 5 stars 24 22761 227. Universal Speedometer Boat Gauge 52mm2in Multifunction 4LED Alarm Indicator Volt Water Temp Oil Pressure Alarm Gauge 1224V for Marine Boat White 50 out of 5 stars.

Installing Outboard Non Thumb Screw Models 1. Attach tape engine mounting template located in this manual to boat transom. Mark and drill four 1732 in.

Install the outboard so that the anti-ventilation plate is in-line or within 1 in. 25 mm be-low the bottom of the boat. 0 - 1 in.

0 - 25mm a.