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Oct
Myself as a pain as it is to cut in a guage I would simply replace the pump. 12-03-2013 0826 AM.
If the fuel pump runsyou can hear it but its pressure is low or non existent the filter could be clogged on that pump or the pump is bad.
Yamaha outboard fuel pump test. It may be that when your Yamaha outboard motor begins to sputter and cough particularly at high speeds you think somethings obviously wrong with the fuel pump. You can test that theory without taking the fuel pump off your motor and without returning to shore. It may be that when your Yamaha outboard motor begins to sputter and cough particularly at high speeds you think somethings obviously wrong with the fuel pump.
If the motor runs rough when operating a high speeds and if the motor smooths out when you squeeze the bulb replace the fuel filters clean out the fuel lines and repeat the test. 12-03-2013 0826 AM. Need 4PSI minimum output with less than 4Hg at the intake.
Myself as a pain as it is to cut in a guage I would simply replace the pump. By pumping the fuel primer and it works either the pump is bad OR there is an air leak between the primer and the pump intake. You can check this by pumping the primer bulb until it feels hard.
Fuel should travel easily from the tank all the way to the pump. Your outboard fuel filter located just before the fuel pump should be full. With the engine off and the cowl cover removed remove.
Positive of 1 battery to the neg of the other. Take your jumpers and hook up to the other two remaining posts. What your doing is your trying to kick the motor over with 24 volts because it is stuck with gummed fuel.
Sometimes the extra amps does turn it over. You dont want to turn it much since the fuel actually cools this pump and there wont be any going threw it. So if it turns over with 24 volts.
How to Test an Outboard Fuel Pump. Turn off your main electrical cutoff switch that governs motor ignition. Screw a compression gauge hose into the spark plug hole.
Refer to your owners manual for the correct psi your engine needs. Check to make sure you have enough gas in the tank to be picked up by the sump. Simply select your outboards make year HP and model and pick the OEM parts you need for your engine.
For example on the Yamaha 250HP LF250TXR outboard parts page click on Fuel 1 to find the primary fuel filter. Click on Fuel Injection Pump 1 to find the fuel pump. And click on Fuel Injection Pump 2 to find the secondary fuel filter.
Often other fuel system components are easier to troubleshoot and eliminate. However if you want to get right to the outboard fuel pump we have the steps you need to know. How Do You Test a Bad Outboard Fuel Pump.
Turn off the main electrical cutoff switch. F115 testing high pressure fuel pump normally if the pump runs at all its good. Another quick test is to pinch of the rail return line and see if the pressure comes up.
Could be a bad regulator or as simple as a clogged VST pump inlet filter. Takes about 15 hours to clean the VST filter. Fuel Pump For 2006 Up Yamaha 115HP F115 4 Stroke Outboard Electric replace 68V-13907-05-00 68V-13907-02-00 68V-13907-04-00 68V-13907-03-00.
Pay in full or in 4 interest-free installments of 2499 with. The outboard fuel pump has a sensitive diaphragm that receives a suction signal from a piston cylinder so the pump can deliver fuel. If the cylinder has a leak the pump pulse signal will not be strong enough to send the proper amount of fuel to the cylinder.
Outboard fuel pumps rarely fail and diagnosing a fuel problem involves checking other components that can be easily mistaken for a bad check valve or diaphragm in a fuel pump. 2006 F90 High Pressure Fuel Pump Testing. Hi thanks for the comments strangely the inside of the VST looks very good with no issues.
I jerry rigged up a test setup as in the West Coast of Canada here on Vancouver Island they want over 500 for the pump alone so I set up the test and it ran great did it a few times it. Fuel Pump Yamaha Mercury 225 4 Stroke 2002-2010 Cross Ref. 1-32-8825 69J-24410-00-00 69J-24410-01-00 69J-24410-02-00 888251T 888251T01 888251T02 Mfg Part.
888251T0269J-24410 Click to see substitution Items. Run the motor on a test tank of fuel. Fill a portable tank with fresh gasoline and connect it to the motor.
Run the motor through its full range of speed. If the motor runs fine on the test tank open the top of your boats fuel tank and pressurize the fuel system. The most obvious reason the fuel pump turns bad is because of another component failure.
However to verify the damage level and fix the problem permanently you need to perform the fuel pump test first by following these simple steps. Step1 start the test process by turning off the electric cutoff switch. FISHALOT Junior Member.
Hello I have Been tracking down a fuel problem on a 03 yamaha 115 tlrb. Long story short Ive narrowed it down to the fuel pump. When I pump the primer bulb and start the motor it will run until about 3000 rpm and up it will surge.
Also if I accelerated to quickly it would act very sluggish. A problem in the fuel compression or ignition systems can cause poor starting loss of power or other problems. This basic troubleshooting and possible remedies and covers all Yamaha outboard motors.
Therefore some items may not apply to your model. If any more questions please consult your Yamaha dealer or the experienced service shops. If you find water in your fuel you may want to check that the pump is in good condition.
You can perform a Yamaha outboard fuel pump test by removing the spark plug wire boot from the spark plug and then removing the spark plug with a plug socket and wrench. Attach a compression gauge into the spark plug socket. Most popular Whats new Price low to high Price high to low Name A to Z Name Z to A.
Yamaha 62Y-24415-01 Fuel Pump Body. Yamaha F20A F25A FT25B F30A F40B F40C F50A FT50B FT50C F50D F60A FT60B Fuel Pump Body. Yamaha 682-24412-00 Fuel Pump Body.
Method 1Method 1 of 2Performing an Electrical Test. Check the fuel pump fuse. Often its not the pump itself that fails to function but the power that supplies it.
Check in your owners manual for the location of the fuse box then find the fuse that corresponds to the fuel pump. Pull it out and inspect it for signs of failure. The fuel pump relay turns the fuel pump on and off.
If the pump is running the relay is working. That engine also has a fuel pump that runs at 2 different speeds by controlling the voltage to it. If the fuel pump runsyou can hear it but its pressure is low or non existent the filter could be clogged on that pump or the pump is bad.