Echo 6450002 PK6 2 Gallon Power Blend Oil Mix (50:1)

What It Is

This is Echo’s factory-formulated 50:1 pre-mix oil for two-stroke engines, sold as a 6-pack of 2-gallon bottles (12 gallons total mix). Designed for Echo-branded trimmers, blowers, chainsaws, and other handheld outdoor power equipment requiring a 50:1 fuel-to-oil ratio.

Fitment & Compatibility

• Engine type: Only for air-cooled two-stroke (2-cycle) engines. Not for four-stroke or diesel engines.
• Fuel ratio: 50:1 – exactly 2.6 oz of oil per 1 gallon of gasoline. Do not use in engines calling for 40:1 or other ratios.
• Brand: Echo OEM part, but works in any brand that specifies 50:1 (e.g., Husqvarna, Stihl, Ryobi, Craftsman) – verify your owner’s manual first.
• Storage: Bottles are pre-measured for 2 gallons each. If your tank is smaller, measure carefully or use a graduated container.
• Gasoline: Use with fresh, high-octane (89+), ethanol-free gas for best results.

Key Things to Know

• Quality: ISO-L-EGD and JASO FD rated – exceeds industry standards for low smoke, high lubrication, and deposit control.
• Installation difficulty: Trivial – just pour the entire bottle into 2 gallons of gas and shake. No measuring or mixing math needed.
• Common gotcha: The 6-pack is a bulk buy. If you don’t burn through 12 gallons of mix within 30–60 days, the oil/gas blend can degrade. Only buy this if you use equipment frequently.
• Price: At ~$4 per bottle, it’s cheaper than single-bottle retail but pricier than generic 50:1 oils. The convenience and OEM guarantee justify the premium for many users.

Should You Buy It

Yes, if you own Echo equipment and want zero-guesswork mixing with the factory-recommended oil, or if you run multiple 50:1 two-stroke tools and can use 12 gallons of mix before it goes stale. Skip it if you rarely use your equipment or prefer to buy oil by the quart for smaller batches.