Specifications - MTD Yard Machines Y780 Operator's Manual

2 cycle gasoline trimmer/brushcutter

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ENGINE*

Engine Type ................................................................................................................................................................ Air-Cooled, 2-Cycle

Stroke ......................................................................................................................................................................... 31.75 mm (1.25 in. )

Displacement .................................................................................................................................................................... 31 cc (1.9 cu in)

Clutch Type............................................................................................................................................................................... Centrifugal

Idle Speed RPM............................................................................................................................................................. 2,800 - 3,600 rpm

Operating RPM ....................................................................................................................................................................... 6,100+ rpm

Ignition Type............................................................................................................................................................................... Electronic

Ignition Switch .................................................................................................................................................................... Rocker Switch

Spark Plug Gap ............................................................................................................................................................ 0.5 mm (0.020 in.)

Lubrication......................................................................................................................................................................... Gas/Oil Mixture

Gasoline/Oil Ratio................................................................................................................................................................................ 40:1

Carburetor ............................................................................................................................................................ Diaphragm, All-Position

Starter .................................................................................................................................................................................... Auto Rewind

Muffler .......................................................................................................................................................................... Baffled with Guard

Throttle .................................................................................................................................................................... Manual Spring Return

Gas Tank Capacity ............................................................................................................................................................ 355 ml (12 oz. )

DRIVE SHAFT AND CUTTING ATTACHMENT*

Drive Shaft Housing ................................................................................................................................................................. Steel Tube

Throttle Control...................................................................................................................................... Finger-Tip Trigger with Lock-Out

Approximate Unit Weight (No gas, with cutting attachment, shield and handle) ................................................................. 7 kg (15 lbs. )

Cutting Mechanism ...................................................................................................... 4-Tooth Cutting Blade, Dual String Cutting Head

Line Spool .................................................................................................................................................................. Bump Line Releaser

Line Spool Diameter .................................................................................................................................................. 101.6 mm (4 inches)

Trimming Line Diameter............................................................................................................................................ 2.41 mm (0.095 inch)

Cutting Path Diameter, Cutting Attachment .............................................................................................................. 45.7 cm (18 inches)

Cutting Path Diameter, Cutting Blade .......................................................................................................................... 204 mm (8 inches)

Shoulder Harness......................................................................................................................................................... Single Quick-Snap

*All specifications are based on the latest product information available at the time of printing. We reserve the right to make changes

at any time without notice.