Mix 1 bottle per 2.5 gallons of fuel. This fully synthetic 2-cycle engine oil is specially suited for high performance chainsaws and power tools.

No matter how you slice it (or trim it or shred it), there’s no better protection for your high performance 2-stroke engine than STIHL HP Ultra Oil. This 2-cycle engine oil has outstanding engine cleaning characteristics, plus “ultra” lubricating qualities that are superior to other 2-cycle engine oils. This fully synthetic oil is also highly biodegradable, degrading by 80% in 21 days.

For details and warnings, see package label.