Troy-Bilt 2-Cycle Gasoline Trimmer/Brushcutter TB90BC - Manual (Page 17)

17
ENGINE*
* 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.
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............................................................................................................................................................ 2,600 - 3,600 rpm
Operating RPM ....................................................................................................................................................................... 6,500+ rpm
Ignition Type ............................................................................................................................................................................... Electronic
Ignition Switch ................................................................................................................................................................... Rocker Switch
Spark Plug Gap ........................................................................................................................................................ 0.025 in. (0.635 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 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
SPECIFICATIONS
DRIVE SHAFT & CUTTING ATTACHMENT