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To further explain If you dont have enough mixed in youll be running lean risking seizing up and over heating the motor. TCW-3 is the minimum standard most manufacturers recommend.
- Certified TC-W3 2-Stroke Outboard Oil - Mercury or Quicksilver Premium 2-Cycle TC-W3 Outboard Oil - Mercury or Quicksilver Premium Plus 2-Cycle TC-W3 Outboard Oil.
50 hp johnson outboard fuel mixture. 1964 and newer use 501. New engine break-in not direct injection requires 251. Please note that some Johnson and Evinrude Owners Manuals mention 1001 mixture ratio after the motor is completely broken in but most experts suggest against doing.
Fuel mixture 1973 50hp johnson I assume you mean fueloil mixture. 501 One pint of TCW-3 Rated OUTBOARD oil to six gallons of 87 octane gas. You have to have cooling water to the engine via flushing muffs or a cut down barrel or test tank.
Any Johnson outboard motor built since 1964 requires a 501 fuel ratio. Motors built prior to that date require a 321 ratio with the exception of a few fishing motors built prior to 1955 that use a 161 ratio. Johnson outboard motors are two-cycle engines.
These engines use a fuel and oil mix to provide lubrication. If all else fails and youre absolutely stuck we recommend a mix of 501 for outboards older than 1980 and 1001 for outboards manufactured since 1980. That is 50 parts fuel to 1 part oil and 100 parts fuel to 1 part oil respectively.
Mix 1 Quart Quaker State Nothing is better for thee into a 5 gallon can of High TEst or Ethal Leaded Gasoline Ah Ha. Now you have a dilemia I can tell directions are on the back of the can. Fuel Mixture for 40hp Johnson.
Most guys here will say 241 on motors 1964 and earlier and 501 on the later ones. However I dont see any design differences in any of the models with the exception of the crank size and heads on the 1960 - 61s. 1946 50 Johnson Hd 2 5hp 25 Outboard Motor Evinrude Omc Fuel Mixture Ratio Disconnecting A Vro Oil Injection On 1996 Johnson 60hp Outboard You Omc 7 5hp 1980 1983.
That mixture was later rescinded to a richer mixture of 501. I would add 4 oz. Of oil 26 oz oil per gal and idle run the motor for 15 minutes to purge the fuel lines and carb bowl.
I would watch closely the motor temperature tell-tale etc. It is important to make sure the fuel mixture on your Johnson outboard motor is set correctly. If the fuel mixture is off your engine will not run as smoothly or as efficiently as it could.
In the short-term this could cost you money in increased fuel consumption. Over the long-term it may cause damage to the outboard motor resulting in costly repairs or even replacement long before you would normally need to. Be sure to use a 2 stroke oil designed for water cooled outboards and not air cooled chainsaws or weedwackers.
TCW-3 is the minimum standard most manufacturers recommend. Posted 06-19-2007 0932 PM ET US. The fuel oil ratio is 501 run some engine tuner click here through the engine to free up any stuck rings.
The fuel oil ratio will not effect the running of the engine. The fuel oil ratio will not effect the running of the engine. Johnson 25 Hp Outboard Fuel Mixture PDF Download May 4th 2018 - Johnson 25 Hp Outboard Fuel Mixture What is the fuel mixture for a johnson outboard motor any johnson outboard motor built since 1964 requires a 50 1 fuel ratio motors built prior to that date require aMODEL YEAR CHART FOR JOHNSON AND EVINRUDE 25 HP 35 HP.
The 501 ratio does sound right for that motor as for causing a running problem it really depends but the short broad answer is yes. To further explain If you dont have enough mixed in youll be running lean risking seizing up and over heating the motor. 501 50 parts fuel to 1 part oil Oil requirement.
- Certified TC-W3 2-Stroke Outboard Oil - Mercury or Quicksilver Premium 2-Cycle TC-W3 Outboard Oil - Mercury or Quicksilver Premium Plus 2-Cycle TC-W3 Outboard Oil. 2-stroke oil is normally added to the fuel tank when filling with fuel. The 1971 model 50 hp Johnson outboard requires a 501 ratio one pint of 2 cycle oil to six gallons of fuel.
By the mid-late 1960s all OMC engines were running 501 and typically at 5000 to 5500 RPM where as the old Big Twins are only 4000 RPM. OMC quit recommending automotive 30 weight oil and recommended 2 stroke oil exclusively. The Johnson runs 5000 RPM is a smaller block so one would think itd need more oil but 501 is recommended.