Check fuel in fuel tank and replace or add. A crack in the fuel outlet tube located in fuel tank. A needle, that is stuck open, will cause a flooding condition. To start viewing messages, select the forum that you want to visit from the selection below. Missing side cowlings of course.
Check fuel line connections, hose clamps, fuel pump, and fuel outlet tube located in fuel tank for loose fittings. Tighten cover or replace gasket. Working up to the 1929 Johnson Model 300, 7hp. A hole or cut in fuel line. Check - Air vent must be open all-the-way and free from restrictions. There are even a bunch of shear pins under the covers, bonus.
Boost diaphragm gasket distorted or out of place. I heard the carbs on the 3. From searching around, it looks to be a 3. Flush out inlet seat and clean inlet needle. Blow out with compressed air.
The tune up guide may be slightly different. Air leaks past mixing chamber cover. . Check fuel and replace, if necessary. The guy I bought this from told me that he spray painted it when he was 11 years old.
Not sure what the rest of the numbers mean yet. Check fuel lines and filter s for restricted flow. If I get it to a point where it's a keeper vs a parts motor, sure then I'll buy one. Inspect reeds as outlined in Section 4A. Also, it looks as though the knob for the carb adjustment is lost. I was wondering if anyone had a diagram of the carb. If, after using a separate fuel supply, it is found that the anti-siphon valve is the cause of the problem, there are 2 solutions to the problem; either 1 remove the anti-siphon valve or 2 replace it with a solenoidoperated fuel shutoff valve.
Although they look similar in appearance, the older 3. I'm going to confirm this later when I get the serial and match it. Check, and replace as needed. By utilizing this process, models with the same code are physically identical, regardless of when they were built. Check all fuel lines and replace as needed. Digging into the Lower Unit, so far so good. When the engine starts to cut out squeeze the primer bulb and see if it starts running better, if it does then you probably do have an air leak in the line and it is losing it's prime.
A dirty or clogged fuel filter. This motion also forces out on the fuel pump diaphragm, which, in turn, closes the inlet check valve to keep fuel from returning to fuel tank and opens the outlet check valve, thus forcing fuel to the carburetors. The model number, on a plate on the transom bracket, will tell you the exact year by reference to It should be possible to order an owners handbook from a Johnson Evinrude dealer if you cannot get a copy of one for the right year. I would go for having those carbs cleaned but before you do this, I would advise you to clean your gasoline tank of rusts, water then blow those fuel lines with air to declog, change your fuel filters, if you do a lot of offroading, put two 2 fuel filters, first filter goes just above the gas tank, beside the chassis, the second will be place before your fuel pump, inside your engine compartment. Crankcase pulsating pressure created by the up-and-down movement of piston is transferred to fuel pump by way of a passage hole between crankcase and fuel pump. An inlet needle in carburetor that is either stuck open or closed.
If anyone know where I can purchase a new cord, I would much appreciate it. Thanks again, you are a big help on this forum. On second thought, at your convienience a cut-away would be helpful. This vacuum also pulls in on the fuel pump diaphragm, thus the inlet check valve in fuel pump is opened and fuel from fuel tank is drawn into fuel pump. Dirty or restricted fuel filter. Evinrude's crowning glory in making something overly complicated.