Troy-Bilt TB90BC Manual Del Dueño/Operador página 23

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.
SPECIFICATIONS
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