MANUAL SAYS 20:1
40 to 1
135ml to 5 litres of petrol.
i use 32:1 that's what the online Manuel
it depends really i have the same bike and i do 40:1 ratio that's 16oz to every 5gal of gas
50 to 1 2.6 oz oil to 1 gal gas
How Suzuki 250 Quad Runner Gets GasThe Suzuki 250 Quad Runner get gas from the tank through the pit cock into the carb through the intake and into the head.
The fuel to oil ratio, for a 1988 model Suzuki outboard is 50:1, roughly 1 pint of 2 cycle oil, to six gallons of fuel.
32:1 is a good ratio.
fuel line diagram for a suzuki quadrunner 250 from gas tank to the carb
32:1 ratio
The 250 uses straight gasoline.
20:1