About this product
HP Ultra is a fully synthetic 2-cycle engine oil specially suited for high performance chain saws and power tools. This oil has outstanding engine cleaning characteristics, plus “ultra” superior lubricating qualities in comparison to other 2-cycle engine oils. This oil is biodegradable, degrading by 80% in 21 days.
Specifications
- STIHL recommends a mix ratio of 50:1 high quality (89 octane minimum) regular unleaded gasoline to STIHL engine oil.