Background
The Craftsman 316.791961 is a gas-powered string trimmer produced by Ryobi America Corporation for Sears under the Craftsman brand. Equipped with a 25cc, 2-cycle engine, this trimmer is designed for tasks such as cutting grass and light weeds. The trimmer also features a convertible coupler system which allows for the use of additional tools like an edger, cultivator, turbo blower, brushcutter, pole saw, and hedge trimmer.
The 316.791961 string trimmer operates at an idle speed of 2800-3600 RPM and an operating RPM of more than 6800. The ignition type is electronic with a rocker switch. The weight of the trimmer ranges between 11.5 to 13 lb without fuel. The fuel tank can hold up to 14 fl oz. The drive shaft is made of steel tube and the throttle control is a finger-tip trigger. The trimmer uses a Champion RDZ4H spark plug or its equivalent and it requires SAE 30 oil for lubrication.
Technical Specifications
- Engine: 25cc 2-cycle air cooled engine
- Engine displacement: 1.8 cu in (29 cc)
- Operating RPM: 6800+
- Idle speed: 2800-3600 RPM
- Ignition type: Electronic with rocker switch
- Valve clearance: 0.003-0.006 in (0.076-0.152 mm)
- Spark plug gap: 0.025 in (0.635 mm)
- Spark plug: Champion RDZ4H or equivalent
- Lubrication: SAE 30 oil
- Oil capacity: 3.04 fl oz (90 ml)
- Fuel tank capacity: 14 fl oz (414 ml)
- Drive shaft: Steel tube with coupler
- Throttle control: Finger-tip trigger
- Weight: 11.5-13 lb (5.2-5.9 kg) without fuel
- Cutting head: Cutting head with spiral line.
Warranty
The Craftsman 316.791961 trimmer comes with a 2-year full warranty provided by Sears. This warranty covers any defects in materials and workmanship that may occur during the use of the product. Expendable parts such as filters, spark plugs, or trimmer line are not covered under this warranty. Also, it's important to note that the warranty could become void if the trimmer is used for commercial purposes or rented to another user.