SPECS:
Claimed Horsepower: 2.8
Displacement: .28 cu in (4.6cc)
RPM: 38,000
Crankshaft: 14mm SG
Carburetor: 8mm slide valve
Break-in Settings:
Needle Valve (high speed mixture)- 6-1/4 turns counterclockwise from closed
Midrange Needle- pre-set 1/2 turns counterclockwise (do not adjust)
Throttle Stop Screw- About 1mm open from "just closed" position, adjust opening so engine idles smoothly at low RPM without engaging the clutch
Distance between mounting holes same side: 0.87" (22mm)
Distance between mounting holes opposite side: 1.4" (37mm)
Height from bottom of crankcase to top of cylinder head: 4.25"(108mm)
Length from pull starter to front bearing: 3.3" (85mm)
Length from pull starter to end of crankshaft: 4.6" (117mm)
Length from back of crankcase to front bearing: 2.5" (64mm)
Length from back of crankcase to end of crankshaft: 3.7" (93mm)
Length from center of crankcase to end of crankshaft: 2.9" (73mm)
Width of mounting tabs: 1.7" (44mm)