Deepak Yadav Deepak Yadav Asked 4 months ago

How to mix 2 stroke petrol?

My chainsaw needs 2 stroke petrol. I'm new to this and want to make sure I mix it correctly. What are the steps to ensure the right proportion?

6

6 answers

Shweta Sharma Shweta Sharma Joined Apr 2026 4 months ago
Most liked

I remember crying the first time I couldn't get my trimmer to start because I messed up the fuel mix. It is completely okay to feel overwhelmed by these mechanical tasks, just go slow and measure carefully.

Siddharth Roy Siddharth Roy Joined May 2026 4 months ago

Use a standard 50:1 ratio, which is 20 ml of 2T oil per liter of petrol. Mix it well in a separate plastic can before pouring.

Vivek Murthy Vivek Murthy Joined Apr 2026 4 months ago

Always prioritize safety. Ensure you are mixing the fuel in a well-ventilated outdoor area because petrol vapors are highly toxic and can cause dizziness or respiratory issues if inhaled in closed spaces.

Ramanujan Chari Ramanujan Chari Joined May 2026 4 months ago

Don't rely on random guesses on online forums for mechanical ratios. Always verify the exact fuel specifications in your equipment's official user manual to prevent damaging the engine.

Powered by

Consult a neurologist

Kunal Kapoor Kunal Kapoor Joined Jan 2026 4 months ago

The standard ratio is 40:1, meaning 25ml of oil for 1 liter of petrol. Buy a dedicated mixing container from any local hardware shop to keep it clean and precise.

Leela Bai Leela Bai Joined Apr 2026 4 months ago

I use a small baby medicine cup to measure the oil for our water pump fuel. It holds exactly 25ml, which makes it very simple to mix with one liter of petrol without any fancy tools.

Evidence-based health, reviewed by clinicians. Free, weekly.