Background

The Craftsman Trimmer 316.791211 is a string trimmer manufactured by Ryobi America Corp for Sears under the Craftsman brand. This gas-powered trimmer is equipped with a 2-cycle air-cooled engine with a displacement of 29cc. It's designed for residential yard maintenance, with a curved shaft design.

The trimmer features a cutting head that allows easy loading of the trimmer line without disassembly, protecting the operator from flying debris. The engine uses regular unleaded gasoline and SAE 30 oil, with a fuel tank capacity of 14 oz and a crankcase oil capacity of 3.04 oz. The 4-cycle engine eliminates the need to mix oil and gas. Notable features of the Craftsman Trimmer 316.791211 include a system for quick attachment changes, variable assist starting to reduce pull force, and the ability to start the unit with optional powered starting accessories.

Technical Specifications

  • Engine Type: Air-cooled, 4-cycle
  • Displacement: 29cc (1.8 cu in)
  • Idle Speed: 2800-3600 rpm
  • Operating RPM: 6800+ rpm
  • 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
  • Crankcase Oil Capacity: 3.04 oz (90 ml)
  • Fuel Tank Capacity: 14 oz (414 ml)
  • Weight: 11.5-13 lbs (5.2-5.9 kg)
  • Trimmer Mechanism: Hassle Free Head
  • Trimming Line: 0.110 in (2.79 mm) Medium Hassle Free XTRA QUIET Spiral Line
  • Cutting Path Diameter: 14 in (35.6 cm)

Warranty

The Craftsman Trimmer 316.791211 comes with a 2-year full warranty provided by Sears. This warranty covers any defects in materials and workmanship, meaning the repair or replacement of defective parts is handled by the company. However, there are certain exclusions to this warranty. These include expendable parts, any damage caused by improper use or maintenance, and any issues arising from the use of non-original equipment manufacturer (OEM) parts. To claim the warranty, one should reach out to Sears and provide necessary product details and description of the issue.

Craftsman 316.791211 Owners Manual