Specifications - Troy-Bilt TB90BC Operator's Manual

Troy-bilt 2-cycle gasoline trimmer/brush cutter operator's manual

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Operator's manual (64 pages)

Parts list (2 pages)

Specification sheet (1 page)

Table Of Contents

Table of Contents

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ENGINE*

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

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

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

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

Idle Speed RPM ...................................................................................................................................... 2,800 - 4,000 rpm

Operating RPM.................................................................................................................................................. 7,200+ rpm

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

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

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

Lubrication ................................................................................................................................................... Fuel/Oil Mixture

Fuel/Oil Ratio.................................................................................................................................................................. 40:1

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

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

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

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

Fuel Tank Capacity....................................................................................................................................... 13 oz. (384 ml)

DRIVE SHAFT & CUTTING ATTACHMENT*

Drive Shaft Housing .......................................................................................................................... Steel Tube, EZ-Link™

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

Approximate Unit Weight (No fuel, with J-handle, cutting attachment and shield) ................................. 14.75 lbs. (6.5 kg)

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

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

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

Trimming Line Diameter ...................................................................................................................... 0.105 inch (2.67 mm)

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

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

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.