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When mercury came out with the 501 oil they recommended it in all there motors they all have needle and ball bearings. Even newer motors call for a richer oil ratio for the break-in period.
In their day they ran 241 oil to gas.
Johnson outboard motor oil to gas ratio. What Is The Oil To Gas Ratio For A Johnson Outboard Motor September 26 2021 by masuzi Two stroke outboard fuel mix ratio table of contents fast parts 215686 3 5 2 stroke evinrude johnson semi synthetic. 2 stroke outboard fuel mix ratio guide manuals net continuouswave whaler reference vro fuel oil mixing 2002 johnson 115 running rich and stalling no high rpms under load 215686 3 5 2 stroke Whats people lookup in this blog. Oilgas ratio for Johnson 88 hp Most outboards are 3parts gas 1 part oil.
I put 6 ounces of oil to 16 ounces of gas. Two stroke outboard fuel mix ratio manuals net evinrude johnson semi synthetic outboard oil com table of contents fast parts 1995 yamaha 25 hp fuel oil ratio the hull truth boating and fishing forum. Whats people lookup in this blog.
What Is The Oil Ratio For A Johnson Outboard Motor. What Is The Oil To Gas Ratio For A Johnson Outboard Motor. 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 that.
Stick with 501 for the 1964 and newer motors. Models that have working VRO Pumps Variable Ratio Oilers do not require oil to be mixed with fuel. Your question was - What is the ratio of oil to gas in a 15 horse Johnson outboard motor.
Answer - I would be happy to help you with that. That depends on the actual year of your engine. You said you bought it in the 60s.
1958 and prior used 201 as a ratio 1959 thru 1963 used 241 1964 and newer use 501. So it all depends on the year it. 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.
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. By no means perfect but a good general rule.
Need to find out the gasoil mixture ratio. Thanks for the help. 1977 35HP Model 35RL77H 2.
1983 35HP Model J35RLCTS 3. 1990 30HP Model J30RLESS. With a 501 ratio for 50 litres of gas you need 1 litre 1000 millilitres of oil.
The easy way to figure it out especially if you have an odd number say 35 litres of gas is to double the number of litres and add a zero an extra decimal place to get the number of millilitres of oil you need. Fuel mix for old Johnson. Discussion in Outboards started by crispy1960 Aug 28 2010.
Even newer motors call for a richer oil ratio for the break-in period. Better too rich than too lean. Hoytedow Aug 28.
Need help on Outboard fuel delivery. Reid Crownover Apr 18 2018 in forum. Most outboard motors require a 501 ratio.
How to Create the Oil Mix. Pour the correct amount of 2-stroke oil into a clean gas can. Add the correct amount of gasoline.
Stir or shake the container to mix the oil and gas. Use the mixture within 30 days or add fuel stabilizer to extend the shelf life. 2-Stroke Oil Mix Calculator.
For a 501 ratio of gas to oil use 26 fluid ounces of oil per gallon of gas. Johnson And Evinrude Raise Horsepower To 90 Mercury S 100 Is Still Leader Race Resumes In Outboard Motor Field New Models Abound The York Times 2 stroke outboard fuel mix ratio guide manuals net continuouswave whaler reference vro fuel oil mixing evinrude johnson semi synthetic outboard oil com 80 1 oil mix ratio. Whats people lookup in this blog.
The 1982 model 70 hp Johnson outboard requires a 501 ratio one pint of 2 cycle oil to six gallons of fuel. What is gas oil ratio mix for homelite st175. The mix of fuel to oil ratio is 161.
Using the proper oil-to-gas ratio is important but if youre off its better to mix too much oil into your engine than mixing too little oil. Excess oil can produce a smoky exhaust oil leaking out of the muffler and sometimes loss of power. Just so what is the gas to oil ratio for an outboard motor.
What is the ratio for 2 stroke fuel mix. The gas to oil mix ration for the Johnson boat motor is 401 for this year and style outboard. Some people might suggest 501 but this can cause your motor.
Viewing 15 posts - 1 through 15 of 29 total 1 2. March 4 2018 at 359 am 9340. Got a few questions about recommended fuel to oil ratios for various outboards.
1946-49 Johnson Td20 and Hd-25 Ive read original was 161 and some say now to run 241. What is the oil to gas ratio for a 1981 Johnson 35 outboard motor. The 1981 model 35 hp Johnson outboard requires a 501 ratio one pint of 2 cycle oil to six gallons of fuel.
096 pints of oil for 6 gallons of gas For 2-Stroke outboards that require a 501 premix of oilgas weve put together the following chart to simplify the calculations. Use ONLY 2-stroke outboard motor oil with an NMMA National Marine Manufacturers Assoc certified rating of TCW3. For older Suzuki outboards pre-1997 Id recommend running 501 as the information Ive provided about is for current model two strokes.
For commercial applications Suzuki recommends 501. 501 - Mix 100ml of oil per 5ltrs of fuel. When mercury came out with the 501 oil they recommended it in all there motors they all have needle and ball bearings.
That is what is required to use 501 oils. I usually use e little richer 401 in my old ones just me in there Race motors double the oil at least. Also recommended by mercury.
I have a couple of 1950s outboards. In their day they ran 241 oil to gas. One quart 30 weight automotive oil to 6 gallons of gas.
Of lot of blue smoke and pollution. Ive had two outboard mechanics tell me that with the development of dedicated 2 stroke oil with TCW3 as a standard I could safely run at 401.