Troy-Bilt TB490BC - Manual (Page 26)

26
SPECIFICATIONS
ENGINE*
DRIVE SHAFT AND CUTTING ATTACHMENT*
*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.
Drive Shaft Housing............................................................................................................................ Steel Tube (EZ-Link™)
Throttle Control.......................................................................................................................................... Finger-Tip Trigger
Approximate Unit Weight (No fuel, with handle, shield and cutting attachment) ........................................... 13.5 lbs (6 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 inchches (2.66 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
Engine Type ........................................................................................................................................... Air-Cooled, 4-Cycle
Displacement .......................................................................................................................................... 1.6 cu. in. (26.2 cc)
Clutch Type ........................................................................................................................................................... Centrifugal
Operating RPM ......................................................................................................................................... 6,800 - 9,300 rpm
Idle Speed RPM........................................................................................................................................ 2,800 - 3,600 rpm
Ignition Type ........................................................................................................................................................... Electronic
Ignition Switch..................................................................................................................................................Rocker Switch
Valve clearance ....................................................................................................................... .003–.006 in. (.076–.152 mm)
Spark Plug Gap.................................................................................................................................. 0.025 inch (0.655 mm)
Lubrication............................................................................................................................................................. SAE 30 Oil
Crankcase Oil Capacity................................................................................................................................. 3.0 fl oz (90 ml)
Fuel......................................................................................................................................................................... Unleaded
Carburetor ........................................................................................................................................ Diaphragm, All-Position
Starter ................................................................................................................................................................ Auto Rewind
Muffler....................................................................................................................................................... Baffled with Guard
Throttle ................................................................................................................................................ Manual Spring Return
Fuel Tank Capacity ......................................................................................................................................... 12 oz (355 ml)