Stihl Ultra 2-Cycle Engine Oil, 6.4 oz 6-Pack — Fully Synthetic, Low-Smoke Lubricant

STIHL Ultra 2-Cycle Engine Oil 6.4 oz (6-pack) is a fully synthetic, high-performance two-stroke oil designed to lubricate and protect small engines while remaining highly biodegradable.

This 6-pack of STIHL 0781 313 8010 Ultra oil supplies concentrated, low-smoke lubrication for chain saws, trimmers, blowers and other two-cycle power tools. Each 6.4-ounce bottle is formulated for superior lubricity, improved engine cleanliness and reliable mixing; the contents yield up to about 2.5 gallons of premixed fuel when blended at common manufacturer ratios. The fully synthetic base and proprietary additives help reduce deposits and maintain smooth running under demanding conditions.

How does this oil improve engine performance?

STIHL Ultra is engineered to minimize friction and reduce carbon buildup in small two-stroke engines. The synthetic formulation stays stable at high temperatures and helps keep ports, spark plugs and exhaust systems cleaner than many conventional oils.

• Superior lubricity for consistent power delivery and reduced wear
• Cleaner-burning additives reduce deposits and fouling
• Low-smoke formulation for clearer exhaust and reduced visible residue

How do I mix and how much fuel does one bottle make?

Mixing ratios vary by engine; follow your tool manufacturer’s recommended fuel-to-oil ratio (commonly 50:1 or 40:1). Each 6.4-ounce bottle makes roughly 2.5 gallons of premixed fuel at typical 50:1 ratios, so a six-pack supplies several tanks of ready-to-use mix for frequent users.

• Use a clean container and accurate measuring device for mixing
• Label mixed fuel with date and ratio, and store in approved containers
• Adjust calculations for different ratios (e.g., 40:1 requires more oil per gallon)

Is STIHL Ultra suitable for all two-stroke outdoor tools?

STIHL Ultra is formulated for high-performance two-stroke gasoline engines and is well-suited to chain saws, trimmers, brushcutters, blowers and similar handheld equipment. Always check your equipment manual to confirm the recommended oil type and mixing ratio for your specific model.

• Ideal for high-revving professional and homeowner equipment
• Compatible with most air-cooled two-stroke engines when mixed per instructions
• Not intended for four-stroke engines or marinized two-stroke outboards unless specified

What environmental and maintenance benefits can owners expect?

The fully synthetic formula is designed to be highly biodegradable and to burn cleaner than many conventional two-stroke oils, which can reduce visible exhaust and help keep engine internals and exhaust ports cleaner over time. Cleaner engines often translate to steadier performance and easier maintenance.

• Biodegradable base blends reduce environmental persistence
• Cleaner combustion lowers deposit formation and maintenance needs
• Helps preserve component life through effective lubrication

Who is this for: This six-pack is aimed at professional landscapers, arborists and active homeowners who run multiple small two-stroke machines or who prefer keeping on-hand supplies for seasonal work. It’s particularly useful for those who want a consistent, high-quality synthetic oil that supports cleaner running, dependable lubrication and straightforward mixing across a range of handheld gas-powered tools.