Troy-Bilt TB70SS Operator's Manual page 18

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 - 3,600 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 ....................................................................................................................... Spring Assist Starting
TM
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
Approximate Unit Weight (No fuel, with cutting attachment, shield and D-handle) ....................................... 13 Ibs. (6 kg)
Cutting Mechanism ....................................................................................................................................... Bump Head
TM
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)
*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.
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