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Remote fuel tank optional Yes. Pour the gas and oil into a singular container.
Great for deck inshore fishing bass aluminum console runabout open bow inflatable rigid hull and fish ski boats.
70 hp mercury outboard fuel oil ratio. TLDI outboards should only be run using TCW3 oil specifically formulated for use in Direct Injection motors. Standard TCW3 oil is not recommended for use in TLDI outboards. Unleaded gasoline with a minimum octane rating of 87 is necessary.
However we recommend using an octane rating of 89 if possible for best performance. My 1982 outboard is a mongrel Mercury head unit and mariner leglower unit. At present Im using a mixture of 50-1 the engine is very responsive and sounds fine but the exhaust is very smokey blue smoke is this the correct mixture ratio.
The non oil injected 2 stroke model 70 hp Mercury outboard requires a 501 ratio one pint of 2 cycle oil to six gallons of fuel. 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.
83 70HP Mercury fuel mix ratio You can mix 28 oz. Of tcw lll 2 stroke oil with 10 gal. Fuel and fill comfortable.
Hi Your fuel oil ratio for your engine is 501. This equates to 16 ozs TCW3 outboard oil per each 6 gals of gas. For a Mercury two-stroke model 2- to 20-horsepower outboard motor manufactured before 1980 use a blend of unleaded gasoline with a posted octane minimum of 91 and Mercury or Quicksilver Premium Plus 2-Cycle TC-W3 Outboard Oil at a ration of 50 parts fuel to one part oil.
If the motor is over 30 horsepower then use premium unleaded gasoline with. 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. Newer models like the OptiMax motors have an oil injection system that keeps the ratio of gas to oil correct. If you are using an older model two-stroke outboard motor here is some advice for mixing fuel.
As a general rule of thumb add three ounces of Mercury 2 stroke premium outboard motor oil for each gallon of gas. Pour the gas and oil into a singular container. Mixing Fuel for Mercury Outboard.
Newer Mercury two stroke motors have oil injection systems that keep the ratio of gasoline and oil correct. Older two stroke motors from Mercury do not have those systems thus the oil and fuel need to be mixed by hand. This is a task that is not too difficult.
Start by gathering an empty clean gasoline container and two cycle. 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. Recommended Oil Mercury 4-Stroke Outboard Oil. Recommended Fuel 87 octaneup to 10 ethanol.
Remote fuel tank optional Yes. Engine Protection Operator Warning System Low oil pressure Overheat Over-rev. Compatible with Smartcraft Digital Technology Yes.
Shaft Length 15 in 381mm 20 in 508 mm Dry Weight Lightest model available 216lbs 98kg. There are alot of different ratios to choose from on the bottle of oil and I didnt know which one to use. 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. 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. The 120 hp Force Mercury outboard requires a 501 ratio one pint of 2 cycle oil to six gallons of fuel. This 70 horsepower Mercury outboard manufactured in 1977 is a saltwater model.
The engine weight is recorded at 190 lbs. This is a 3 cylinder model. The displacement for the pistons is 498.
The bore for this outboard is 288 inches and the stroke is 256 inches. This engine has power steering and a electric-type starter. 70 -6 to 64 See All Specs.
Find a Dealer Today. Enjoy the same lifetime maintenance-free valvetrain design found in our 150 FourStroke motors. Great for deck inshore fishing bass aluminum console runabout open bow inflatable rigid hull and fish ski boats.
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.
The pump is doing the mixing. What Is The Value Of A 1984 Model Bass Tracker Fishing Boat With A 50 Horsepower Johnson Outboard. On a boat of that age there are many variables the boat could be worth between 1000-3700.
What Is The Oil To Gas Ratio For A Mercury 25 H P Outboard Motor. 50 to one if its newer and 8 to one if its a nineteen fifty. If you run Yamahas own Yamalube 2 stroke oil than you can run the engine at a 100 to 1 fuel to oil ratio.
However if you run a cheaper or lesser expensive brand of oil then you should mix it at 50 to 1. This is the Highly Detailed factory service repair manual for theMERCURY MARINER OUTBOARD 70 HP this Service Manual has detailed illustrations as well as step by step instructionsIt is 100 percents complete and intact. They are specifically written for the do-it-yourself-er as well as the experienced mechanicMERCURY MARINER OUTBOARD 70 HP.
220 HP 200 HP 175 HP 150 HP 135 HP 115 HP 90 HP 70 HP 60 HP 50 HP 45 HP 35 HP 25 HP 20 HP 99 HP 8 HP 6 HP 4 HP 22 HP. 501 ratio Features. Use a 501 ratio of fuel to oil mix for 2-stroke cycle engines recommend using only fresh gas with a minimum octane rating of 89 or higher mid-grade to premium at all times.
501 ratio equal 1 US Gal. 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.
Never use automobile motor oil in your 2-stroke outboard.