STIHL 0781 313 8013 12.8 Ounce High Performance Ultra 2 Cycle Engine Oil, 6 Pack

What It Is

This is a six-pack of STIHL’s Ultra High Performance 2-cycle engine oil, pre-mixed at 12.8 ounces per bottle. It’s designed for STIHL handheld outdoor power equipment (chainsaws, trimmers, blowers, hedge trimmers) that require a 50:1 fuel-to-oil ratio.

Fitment & Compatibility

• Only for 2-cycle (gas/oil mix) engines – not for 4-cycle lawn mowers, tractors, or push mowers.
• Requires 50:1 mix ratio – each 12.8 oz bottle treats 5 gallons of unleaded gasoline (minimum 89 octane recommended). Do not use with 40:1 or 32:1 engines unless you adjust the mix.
• OEM STIHL part – fits all STIHL handheld models (MS chainsaws, FS trimmers, BG blowers, HL hedge trimmers). Also works with other brands that spec 50:1, but check your manual first.
• Bottle size – 12.8 oz is slightly larger than standard 12 oz bottles; ensure your gas can has room for 5 gallons of fuel.

Key Things to Know

• Pre-mixed convenience – no measuring needed. Just pour one bottle into 5 gallons of gas. Shake the can before each refill to keep oil suspended.
• Low smoke & clean burn – this is a synthetic blend that reduces spark plug fouling and exhaust deposits. It’s noticeably cleaner than generic 2-cycle oil.
• No ethanol protection – this oil does not stabilize ethanol-blended fuel. If you store mixed gas longer than 30 days, add a fuel stabilizer or use ethanol-free gas.
• Price per bottle – $12.62 each at the 6-pack price. Buying individually is usually $2–3 more per bottle. The 6-pack is the better value if you use 5+ gallons of mix per season.

Should You Buy It

Buy this if you own multiple STIHL 2-cycle tools or use at least 5 gallons of mixed fuel per season. It’s a premium oil that keeps engines clean and starts easier than cheap store brands. Skip it if you only use one trimmer every few weeks – a single 12 oz bottle of standard STIHL oil ($6–8) is cheaper upfront.