40 hp johnson outboard fuel mixture

The oil reservoir is OUTSIDE the tank. How to mix oil with gas for Johnson 90 hp 2 cycle outboard.

I just bought a boat with a 1968 Murcury 100 hp.

40 hp johnson outboard fuel mixture. 40 hp Johnson fuel mix Howdy Sandchip. That one needs a 501 mix 1 pint TC-W3 outboard oil to 6 gal. 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. 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.

1960 40 hp johnson fuel mixture If you are using 501 oil then mix it 501. If using mineral oil dont know why you would do that then mix as the old manual says. If you have been using 241 or whatever the old oil mix was then dont switch to 501 until removing the head and decarbonizing.

Joined Mar 17 2011. 6 Feb 21 2018. Dont know how much fuel you will use.

But from my experience a 40 hp thats working hard to push a loaded heavier 15 ft boat at 25 mph will use significantly more fuel than a 60 or 70 hp that isnt working as hard. At least that was my experience back in the 80s. I just bought a boat with a 1968 Murcury 100 hp.

Outboard engine and I would like to find out the propeer gasoline oil mixture for this engine. I have been told 161 321 and 401. 82 Notes that starting with 1964 motors Johnsons recommended oil and gasoline mixture is 1 part oil to 50 parts gasoline.

The 241 mixture was based on SAE 30 Wt oil not todays TCW-3 oils. Nonetheless I run 241 TCW-3 in both of my 56 motors with good results. See an earlier thread about the 57 Evinrude 75 and read the comments.

Push the adjustment knobs that came with the motor onto the low speed and high speed mixture needles so they can be turned easily during this procedure. Install the low speed knob with the pointer up and the high speed knob with the pointer down. These are temporary installations and the knobs can be removed after the adjustments are completed.

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.

For the 1995 model 40 hp Evinrude mix at a 501 ratio. How do you set mixture on a Yamaha blaster. The correct oil mixture is 40 to 1 or if you want you can mix to 50 to 1.

It was not the traditional Johnson Green nor the transitional Johnson Red but the new wizzbang traditional Johnson White. It takes a 301 ratio. Mix 1 Quart Quaker State Nothing is better for thee into a 5 gallon can of High TEst or Ethal Leaded Gasoline Ah Ha.

Bookmark File PDF Johnson Outboard Fuel Mixture Chart Outboard Spares Blog - Outboard Oil Ratios 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. 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.

There are few adjustments you can make to the carburetor of the 40-horsepower Johnson. It is a single piece unitized in its construction except for the float bowl and carburetor cover which are removable. Fuel metering is by a removable jet mounted in the float chamber.

The mixture of this single-barrel float. Attach a shop tachometer to the motors Number 1 cylinder. Turn the idle speed screw on the carburetor linkage to adjust the motors speed to between 700 and 800 rpm.

Put the motor in Forward Turn the mixture screw clockwise until the motor begins to misfire. 501 - Mix 100ml of oil per 5ltrs of fuel. Recommended by Mercury Mariner Tohatsu Johnson and Evinrude this is my preferred ratio for all outboards including Yamaha and Suzuki.

You can confidently use this ratio for any horse power and just about all year models. Fuel consumption Chart - Yamaha Outboard - Mercury Outboard - Evinrude - Honda Outboard - Suzuki Outboard - Johnson - Outboards MerCruiser - Volvo Penta Diesel Inboards GPH MPG LPH KPL. 99 hp - 15 hp - 20 hp - 25 hp - 40 hp - 50 hp - 60 hp - 75 hp - 90 hp - 115 hp - 135 hp - 140 hp - 175 hp - 190 hp - 200 hp - 220 hp - 225 hp - 250 hp.

The official OMC fueloil mix for most outboard motors in this year ranges has for years been 501. This means 50 parts of regular gasoline to 1 part of outboard motor oil. Remember that this was before unleaded gasoline or even possibly an octane rating that was listed at the pumps.

Now the recommended fuel is 87 octane gasoline. Early on for the 2 cycle motors the recommended oil was regular automotive 30 weight motor oil then the outboard. The fuel mixture for a Yamaha 40 hp 2 stroke outboard engine is 501 gas oil mixture.

You should use new gas when you get the engine ready for the season. How to mix oil with gas for Johnson 90 hp 2 cycle outboard. If playback doesnt begin shortly try restarting your device.

Videos you watch may be added to the TVs watch history and influence TV. I run my 1957 Johnson 35 HP outboard motor with 401 mixture. I only use BRP oil specially formulated for Evinrude and Johnson outboard motors.

I do not use Penzoil or other non-BRP oil. Definately do NOT use the oil you can find a discount or big box stores such as Fleet Farm. I use the same mixture with my 1966 Evinrude 100 HP.

Hello I have a 1999 40 HP Johnson that is oil injected. The oil reservoir is OUTSIDE the tank. However last fall I noticed the oil reservoir was cracked before I put it into storage.

I have been calling dealers for a replacement oil reservoir and all the dealers are telling me to disconnect it and mix your oil with your gas. Oilgas mixture is dependent on what motors you are running. Many OMC built motors built in the early 50s have all brass bushings and they need a little more oil to live longer.

One thing for sure DO NOT use automotive oils. They make carbon build up and will eventually clog up ports and exhaust passages. In my opinion use TCW3 synthetic oils.

Unsure about fuel ratio on old Johnson 20hp. We just got an old Johnson Sea Horse that must be from the early 80s at least possible earlier. Having trouble finding a manual online to confirm but from what Ive seen these old 2 strokes are generally a 501 2 fuel mix.