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215cc air cooled 4 stroke
I would use 10w30 Synthetic in your air cooled engine.
SAE 10w30. I recommend you use synthetic in this air cooled engine.
Air cooled, much like the old "hit and miss" farm engines.
If air is compressed and cooled, the temperature of the air will become negative. Now depending on how much humidity there is in that air being compressed we might get some water droplets as it is being cooled. Carbon dioxide when compressed and cooled we get dry ice.
Its both air and water cooled.
The 1984 is air cooled, 1985 and on are water cooled.
whay is it
nothing, they are air cooled
NO dirt bikes are either air cooled (you will mainly find this on Chinese bikes) or they are cooled by coolant from a radiater, much like the one in your car.
air cooled.
The last YZ250 that was air cooled was 1981. 1982 is when they switched to water cooled engines.