4QL® 46cc 4-Cycle 16" Gas Chainsaw

The SENIX CS4QL-L3 is designed for cutting firewood, trimming thick branches, clearing fallen limbs, and handling storm cleanup around your property. Its 46cc 4-cycle engine and 16-inch Oregon bar and chain deliver a chain speed of up to 18 m/s (59 ft/s) for cutting hardwood, softwood, and medium-sized logs. It's a practical choice for homeowners who need reliable gas-powered performance for everyday woodcutting tasks.

No. The SENIX CS4QL-L3 features a 46cc 4QL 4-cycle engine that runs on gasoline without mixing gas and oil. Unlike traditional 2-stroke chainsaws, it has a separate engine oil reservoir with a 3.4 fl oz (100 mL) capacity. Use fresh unleaded gasoline containing no more than 10% ethanol, and always check the engine oil level before starting.

The SENIX CS4QL-L3 features an automatic choke system and compression release technology designed to make pull-starting easier. Its primer bulb helps prepare the engine for cold starts. Many users report convenient starting and smooth operation. For reliable performance, follow the recommended cold-start and warm-start procedures in the owner's manual, especially after extended storage.

The SENIX CS4QL-L3 has a listed weight of approximately 13.44 lbs and features a balanced design with ergonomic front and rear handles for controlled cutting. Its 4QL engine is designed to reduce vibration compared with traditional 2-stroke engines. The 16-inch bar offers a practical balance of cutting reach and maneuverability for residential yard work. Always use both hands and take regular breaks during extended cutting sessions.

Yes. The SENIX CS4QL-L3 features an automatic chain oiling system with a 10.2 fl oz (300 mL) reservoir that lubricates the bar and chain during operation. Bar and chain oil is separate from the engine oil required by its 4-cycle engine. Check both oil levels before use, keep the lubrication system clean, and follow the owner's manual for proper maintenance and storage.

The SENIX CS4QL-L3 features a side-mounted chain tensioning system for routine adjustments. Turn off the engine, allow the chain to cool, and loosen the bar mounting nuts before adjusting the tensioning screw with the appropriate tool. Securely retighten the nuts before cutting. Check chain tension regularly, especially when using a new chain, to help prevent slipping and premature wear.

The SENIX CS4QL-L3 uses a 16-inch cutting system with a 3/8-inch pitch chain. SENIX offers a compatible replacement chain, part number 243-0033, featuring a 0.050-inch gauge and 57 drive links, along with replacement guide bar part number 205001000098. Always verify the chain pitch, gauge, drive link count, and guide bar compatibility before purchasing replacement parts.

The SENIX CS4QL-L3 includes a chain brake designed to stop chain movement when engaged during kickback, along with a throttle trigger release and ergonomic two-handle design for controlled operation. The chainsaw is backed by a 2-year limited warranty. Always wear appropriate protective gear, operate outdoors in a well-ventilated area, and follow the owner's manual. These safety features do not eliminate the risk of kickback or injury.