The recommended ratio between gasoline and two-stroke oil is 50:1 (2%) for original Husqvarna 2-stroke oil.
If other branded 2-stroke oil is used, the recommended ratio is 33:1 (3%).
For Husqvarna group branded products we always recommend to use original Husqvarna 2-stroke oil.
CAUTION:
Small errors can influence the ratio of the mixture drastically when you mix small quantities of fuel. Measure the quantity of oil carefully and make sure that you get the correct mixture.