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2 Stroke Oil Mixing Calculator
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Motorcycle 2 Stroke Oil Calculator

Calculate the perfect 2-stroke oil mix for your motorcycle with optimized ratios from 32:1 to 60:1.

🏍️

Motorcycle Oil Mix Calculator

🏍️ Optimized for motorcycles - includes higher ratios like 50:1 and 60:1 for modern 2-stroke engines

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Quick Select Ratio (Motorcycle)

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2T OIL

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Oil

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Mix Result

Motorcycle 2-Stroke Mix Ratios

FuelRatioOil Required
1 gal32:14.0 oz
1 gal40:13.2 oz
1 gal50:12.6 oz
1 gal60:12.1 oz
2 gal32:18.0 oz
2 gal40:16.4 oz
2 gal50:15.1 oz
2 gal60:14.3 oz
5 gal32:120.0 oz
5 gal40:116.0 oz
5 gal50:112.8 oz
5 gal60:110.7 oz

Frequently Asked Questions

How long does 2 stroke fuel last?
Ideally use 2-stroke fuel within 30 days. In a sealed container it may be okay for up to about 2–3 months (longer with stabilizer), but if it smells bad or looks off, mix a fresh batch.
50 to 1 ratio in litres?
At 50:1 you add 20 ml of 2-stroke oil per 1 liter of fuel. Examples: 2 L = 40 ml, 5 L = 100 ml.
How many ounces of 2 stroke oil for 5 gallons?
For 5 gallons: at 50:1 use 12.8 fl oz, at 40:1 use 16 fl oz, at 32:1 use 20 fl oz of oil.
How much 2 stroke oil per gallon?
For 1 US gallon: 50:1 = 2.6 fl oz, 40:1 = 3.2 fl oz, 32:1 = 4.0 fl oz, 25:1 = 5.1 fl oz.
How many ounces of oil for 50 to 1 mix ratio?
At 50:1 use about 2.6 fl oz per gallon (5.1 fl oz for 2 gal, 6.4 fl oz for 2.5 gal, 12.8 fl oz for 5 gal).