Product Instruction Manual
Page 57
... which the engine has been shown to on the CARB Air Index Label indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours STIHL single cylinder two-stroke engine MS 290 Displacement Bore Stroke Idle speed 3.45 cu.in (56,5 cm3) 1.81 in (46 mm) 1.34 in (34 mm) 2,800 rpm... filter Prefilter (coarse filter) and bisectional box filter Chain lubrication Fully automatic, speed-controlled rotary piston oil pump. Oil tank capacity 0.68 US pt (0,33 l) Weight without bar and chain 13 lb (5,9 kg) 56 MS 290, MS 310, MS 390
... which the engine has been shown to on the CARB Air Index Label indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours STIHL single cylinder two-stroke engine MS 290 Displacement Bore Stroke Idle speed 3.45 cu.in (56,5 cm3) 1.81 in (46 mm) 1.34 in (34 mm) 2,800 rpm... filter Prefilter (coarse filter) and bisectional box filter Chain lubrication Fully automatic, speed-controlled rotary piston oil pump. Oil tank capacity 0.68 US pt (0,33 l) Weight without bar and chain 13 lb (5,9 kg) 56 MS 290, MS 310, MS 390