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I believe that the ratio ought to be 25:1
Actually, the owners manual calls for 100:1 ratio. Just read this owners manual yesterday. This is assuming that the engine has the initial 10 hours breaking in accomplished, which is safe to assume, seeing as how this an 19 year old motor. I thought this was an awful lean ratio, and I plan on running 50:1 in mine.
What else can I help you with?
What is the proper oil ratio for a 1991 85 hp Yamaha two stroke outboard?
The correct ratio for 1991 85hp Yamaha is 1:50. 1 liter of oil for 50 liters of fuel.
What is the weight of 1991 Yamaha 130 outboard motor?
The dry weight of a 1991 model, 130 hp Yamaha outboard is 357lbs.
What is the age of Yamaha outboard 85AE 688?
1991
What age is Yamaha outboard model number 8cm?
1991
What is the weight of a 1991 Yamaha 150 outboard?
401.2 without prop
What is the proper oil to fuel ratio for a 1991 90 HP Force outboard motor?
The 1991 model, 90 hp Force outboard requires a 50-1 ratio. This is roughly one pint of 2 cycle oil, to six gallons of fuel.
What is the oil mixture for a 1991 9.9 Yamaha outboard motor?
Need the HP to answer. If 6 HP, the mixture is 100:1
What is the oil to gas ratio for a 1991 Yamaha yz250?
32:1 is standard fuel mixture for 2 stroke engines, you can use different ratios but this is the reccomended ratio by the manufacturer.
What is the proper gas to oil ratio mix for a 1991 Johnson 9.9 hp outboard?
50 to 1, or one pint oil to six gallons of gas.
What is the value of an 1991 Evinrude 48 hp SPL outboard motor?
what is value of an 1991 evinrude 48 hp outboard
What is the value of 1991 evinrude 48 hp spl outboard motor?
what is value of an 1991 evinrude 48 hp outboard
What is the weight of a 1991 Johnson Outboard 150 hp?
The dry weight of the 1991 model, Johnson 150hp outboard is 384 lbs.
