VEVOR Gas Pole Saw, 52CC 2 Stroke Gas Powered Pole Saws with 14 in Cutting Bar, Cordless Tree Trimmer with 30 fl.oz Fuel Tank, 7.2 to 10 ft Extendable, Powerful Chainsaw for Tree Trimming Pruning

The machine uses 92-octane gasoline and two-stroke engine oil, mixed at a 25:1 ratio. For the first use, just follow the 25:1 ratio. For subsequent use, either 25:1 or 40:1 is acceptable.

Use a 40:1 ratio (3.2 oz of 2-stroke oil per 1 gallon of 92+ octane gas) for regular use, but use 25:1 (5.1 oz oil per 1 gallon gas) for your very first new-engine break-in tank.

Each machine comes with one set of chain and guide plate. It is not possible to purchase an additional chain separately. Our chains have a minimum order requirement. If you need to purchase more, they can be found at your local market. If this response does not resolve your current issue, please contact us again for assistance.

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If you need any parts, you can purchase them at your local market, where they are generally available. If this answer does not resolve your issue, please contact us again for assistance.

The chainsaw rotates at 8,000 to 9,000 RPM when sawing wood, and at 11,000 RPM when unloaded.