How to test reeds on an outboard

Inspecting and Cleaning Johnson Outboard Reeds. Inspecting and Cleaning Johnson Outboard Reeds.

The engine may fail to respond to the increased fuel flow and then jump forward as the gas is finally ignited.

How to test reeds on an outboard. So to me thats one of the biggest tests. If I can see light through it its not sealing properly. If theyre cracked chipped bent anything like that theyre not going to seal properly.

If you ever see fuel spitting back out of a carburetor quite often it can be because the reed valves arent working correctly. Outboard reed valve diagnosis - YouTube. Outboard reed valve diagnosis.

If playback doesnt begin shortly try restarting your device. How to Diagnose A Stuck Intake Or Reed Valve. If playback doesnt begin shortly try restarting your device.

Inspecting and Cleaning Johnson Outboard Reeds and Intake Manifold on a 1988 Johnson 40hp Outboard - YouTube. Inspecting and Cleaning Johnson Outboard Reeds. So disconnect the throttle cable and slowly move the throttletiming lever from idle to WOT and back while testing EACH trigger.

It will save a lot of battery and starter life if you remove the spark plugs and ground all the wires except the one you are testing. The best way of checking reeds are to remove them and hold a flashlight up to the reed block. Look for light emiting around the reed edges.

Engine may stall out on acceleration as go past 1600 RPMs or so. If it runs you may be able to see a Mist being pushed backwards through the air intake on the carb. Engines with reed valves that are failing can present symptoms of hesitation during acceleration.

The engine may fail to respond to the increased fuel flow and then jump forward as the gas is finally ignited. The hesitation in the engine due to failing reed valves can be very frustrating as the power is simply not available when needed. Stock reed cages with stock steel reeds.

24205 HP Test 2. Stock cages with Chris arson 020 Sport reeds. 24218 HP Test 3.

Stock cages with Chris Carson 025 Sport reeds. 24212 HP Test 4. Cut cages with Chris Carson 020 Drag High Performance reeds 25344 HP Test 5.

Cut cages with Chris Carson 025 High Performance reeds. 25340 HP Test 6. If youre a fisherman running an outboard from 99 to 300 hp youll feel the difference Boyesen Power Reeds can make with your very first run.

How Boyesen Reeds Work. Reeds are one-way valves controlling the amount of airfuel mixture entering the crankcase of your outboard engine then sealing it in to prevent it from escaping. Look at the edges of the reeds they should have clean edges.

Any cracks chipping or uneven edges are a sign that the reed valves have failed. Look up at the reed valves through the bottom of the plate. There should be a minimal amount of light coming through the area where the reed valves meet the valve body.

Outboard Motor Bad Reed Plates - YouTube. If a reed is broken fractured or missingit is like having a hole in your engineand fuel cannot be properly delivered to the affected cylinder. It is most noticeable at idle and low speed.

Also if the reeds have been installed improperly over tightened or pre-loaded the engine will not run cleanly at idle and may accelerate poorly. There are two basic ways to compression test an outboard. The first is called a leak down test.

This uses a special set of gauges. To perform a leak down test you would pressurize the cylinder with compressed air. One gauge will tell you the pressure of the air compressing the cylinder.

The second gauge will show you how much pressure has been lost. Reeds outboard motor troubleshooting handbook reeds handbook is available in our book collection an online access to it is set as public so you can download it instantly. Our digital library hosts in multiple countries allowing you to get the most less latency time to download any of our books like this one.

Place the carburetor and fuel line aside. Unscrew the banjo bolt holding the intake hose to the reed valve manifold. Put the hose and clamps aside.

Look inside the reed valve manifold to spot any signs of damage to the internal reed petals. Use a socket wrench and sockets to. 2 Stroke outboard blowing fuel out the carburetor bad Reed valve - YouTube.

The sport reeds flow smoothly and like all fiberglass reeds they protect the motor from internal damage should a reed ever breakThe max RPM reeds are thinner and or relieved hinge designs to allow fuelair delivery at extreme RPMsIn our years of testing and use we have yet to experience a failure of any of our production reeds. Composite Performance Reeds FOR Outboard Motors V4 thru V8 2 3-Cylinder are HERE. These kits contain all the reed parts need to replace the reeds in your motor.

You may need new reed block gaskets which we can supply on request depending on condition of the originals. Gasket price and quantity required vary depending on the motor in question. In some cases reeds for a single reed block are illustrated for space reasons but the kit will contain all the reeds for a your motor.

Then just click the button next to it to add the kit you need to the shopping cart. So we can verify the application to your specific motor. Hello I have a problem also where as my 150 Black Max has now grounded up aluminum inside the cover that goes over the carbs.

My friend tells me that it is a reed valve gone bad and that I need to do a compression test now on the cylinders especially seeing that the valve has disentigrated as it did and was found outside of the engine in the place that it was found. Evinrude reed valveswhere are they. Are they the prob.

Thanks archangel but that was top of the list on my triple check list i had replaced the points and set them then i reset them to make sure they are at 020 which is what the book and several iboat experst suggested in posts relating to the same topic. Those reed valves are one of the last things in the fuelair intake that i. Composite Performance Reeds FOR Outboard Motors 2 3 Cylinder V4 thru V8 are HERE.

These kits contain all the reed parts need to replace the reeds in your motor. You may need new reed block gaskets which we can supply on request depending on condition of the originals. Gasket price and quantity required vary depending on the motor in question.