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2.10 GENERAL pump, or carburetor. This will cause warm engine drive ability 2 STROKE GASOLINE / OIL PRE MIX To figure out the correct fuel to oil ratio per gallon, you will 1 gallon has 128oz. / 20 = 6.4 oz. of oil needed to mix to each add 32 oz. of oil to the gasoline. Table 2-7: Gasoline Volatility Maximum Reid Vapor Ambient Air Temp Range CLASS PRESSURE LOW HIGH A 7.0 psi (0.5 bar) 60_F (16_C) 110F+ (43_C+) B 9.0 psi (0.6 bar) 50_F (10_C) 110F (43_C) C 10.5psi (0.7 bar) 40_F (4_C) 97F (36_C) D 12.0psi (0.8 bar) 30_F (-1_C) 85F (29_C) E 13.5psi (0.9 bar) 20_F (-7_C) 69F (21_C) Add 2.45_F for each 1000 ft (305m) above sea level Table 2-8: GALLONS OF FUEL OZ OF OIL NEEDED TO ACHIEVE A 20:1 RATIO OZ OF OIL NEEDED TO ACHIEVE A 32:1 RATIO 1 6 4 2 13 8 3 19 12 4 26 16 5 32 20 6 38 24 |