How to mix gasoline at a 50:1 ratio?

2 Answers
VonBrantley
07/29/25 9:03pm
Add 1 milliliter of engine oil to 50 milliliters of gasoline, following this ratio. Below are the differences between 95# and 92# gasoline: 1. Composition ratio: 95# gasoline contains 95% isooctane and 5% n-heptane; 92# gasoline contains 92% isooctane and 8% n-heptane. 2. Anti-knock performance: 95# gasoline has higher anti-knock performance; 92# gasoline has lower anti-knock performance. Below is extended information about engine oil: 1. Increased fuel consumption: When adding engine oil, the oil level should be between the upper and lower limits on the dipstick. If too much oil is added, the engine temperature will rise, causing the oil to expand, increasing the pressure in the oil chamber and the running resistance, which will reduce the car's power and increase fuel consumption. 2. Overfilling oil: If too much oil is added, the crankcase breather pipe may leak oil, increasing the crankcase pressure and loosening the oil seal due to oil pressure, leading to oil leakage. 3. Heat dissipation: Overfilling oil can affect the engine's heat dissipation.
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PatrickLee
08/15/25 7:05pm
A 50:1 gasoline ratio is used for two-stroke engines. I've been using lawn mowers and jet skis for years, and I know that incorrect ratios can damage the engine. 50:1 refers to 50 parts gasoline mixed with 1 part oil. An easy method is to buy a two-stroke oil bottle with measurement marks and simply add gasoline accordingly. When tools aren't available, I often use a measuring cup: 100ml of oil to 5 liters of gasoline (since 5 liters equals 5000ml, 100ml of oil is just right). Before mixing, ensure the container is clean. Pour the oil into the can first, then slowly add gasoline, tighten the lid, and shake vigorously for 10 seconds to ensure thorough dissolution. Remember, this mixture is only for two-stroke engines. Don't use cheap oil or add gasoline first, as uneven mixing can harm the engine. Always check your equipment manual for the recommended ratio—some newer models might require 30:1 or 20:1, but 50:1 is the standard. Regularly inspect the spark plug to monitor combustion conditions.
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