A portable fuel and lubricant delivery system for chainsaws is disclosed, comprising a wearable harness and a dual-container assembly. The system is designed to improve the operational efficiency and autonomy of chainsaw use by providing a continuous, automatic supply of fuel and lubricant directly to the chainsaw. One container within the assembly is dedicated to fuel, while the other holds lubricant. The containers are detachable and reconfigurable, accommodating various types and volumes of fuel and lubricants. An integral set of hoses, featuring a gravity feed mechanism, connects the containers to the chainsaw, ensuring a steady flow of fluids. The system further comprises a set of control valves or nozzles for connecting to the chainsaw's intake points, and the hoses are protected by a durable sheath. The invention is adaptable to various chainsaw models and other gas-powered tools, providing a versatile solution for fuel and lubricant delivery in demanding applications.

A tool (10) for lubricating a chain (50), e.g. of a motorbike or bicycle, includes a block that defines a chain passage (22) through the block for receiving the chain (50). A first lubricant channel (438) through the block can be used to apply lubricant (56) into the chain passage where it is directed onto the chain. A second lubricant channel (300) can collect excess lubricant to allow the lubricant to drain and be collected for tidier operation. Lubricant channels can be provided for both aerosol and liquid lubricants.

A tool (10) for lubricating a chain (50), e.g. of a motorbike or bicycle, includes a block that defines a chain passage (22) through the block for receiving the chain (50). A first lubricant channel (438) through the block can be used to apply lubricant (56) into the chain passage where it is directed onto the chain. A second lubricant channel (300) can collect excess lubricant to allow the lubricant to drain and be collected for tidier operation. Lubricant channels can be provided for both aerosol and liquid lubricants.