Sixty to one (60:1) is a ratio used by high performance 2 stroke motors. The ratio is not the easiest 2 stroke ratios to calculate.
To make it easier you can use the following old school reference chart.
| Fuel (L) | Oil (mL) |
|---|---|
| 1 | 17 |
| 2 | 33 |
| 3 | 50 |
| 4 | 67 |
| 5 | 83 |
| 7.5 | 125 |
| 10 | 167 |
| 15 | 250 |
| 20 | 333 |
| 25 | 417 |
| Fuel (gal) | Oil (fl oz) |
|---|---|
| 1 | 2.1 |
| 1.5 | 3.2 |
| 2 | 4.3 |
| 2.5 | 5.3 |
| 3 | 6.4 |
| 4 | 8.5 |
| 5 | 10.7 |
| 7.5 | 16.0 |
| 10 | 21.3 |
| 15 | 32.0 |
If you’re looking for something to help with other ratios and remind you how old your fuel is, please take a look at our app for iPhone and Apple Watch on the front page?