Troy-Bilt TB25ET Operator's Manual page 22

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 Housing .......................................................................................................................... Steel Tube, EZ-Link
TM
Throttle Control ................................................................................................................. Finger-Tip Trigger with Lock-out
Approximate Unit Weight (No fuel, with cutting attachment, shield and J-handle) ............................... 12.25 Ibs. (5.6 kg)
Cutting Mechanism .................................................................................................. SpeedSpool Dual String Cutting Head
Line Spool ............................................................................................................................................. Bump Line Releaser
Line Spool Diameter .............................................................................................................................. 3 inches (76.2 mm)
Trimming Line Diameter ................................................................................................................. 0.095 inches (2.41 mm)
Cutting Path Diameter ........................................................................................................................ 17 inches (43.18 cm)
Unit Weight (Add-On only) ....................................................................................................................... 5.25 Ibs. (2.36 kg)
Cutting Depth (maximum) .......................................................................................................................... 2,5 in. (63.5 mm)
Wheel Diameter ...................................................................................................................................... 3.75 in (95.25 mm)
Gearbox Ratio ............................................................................................................................................................ 1.25:1
*All specifications are based on the latest product info[mation available at the time of printing, We reserve the right to
make changes at any time without notice.
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