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Anyone know fuel/oil ratio

As the title says. Does anyone know the fuel/oil ratio in stock form on the 850? Ive been too lazy to figure mine out haha but by eyeballing it seems really lean... numbers?
 
I have always gone by 40 parts gas to 1 part oil. Especially when not all the oil is going to be mixed with the gas prior to combustion. In reality, only half of the oil gets mixed with the gas because 2 oil lines go to the bearings and 2 oil lines go to the carburetor setup.
 
Yes give or take thats what i would like it to be at... but have you measured how much oil it pumps pr. L or gallon of gas? I dont think thats what it is pumping now..
 
you can't accurately figure it out as the pump varies the volume and pressure it puts out based on engine load/rpm etc etc you can only get a approximate ratio in todays sleds.....you you held it WFO till your burned a known volume of fuel, then accurately measured the oil it used I suspect around 40 or 50 to 1 under load ???
 
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