, Mixture Control Valve Setting:, Factory set, turn 1/12 turn (30°) clockwise to lean mixture or 1/12 turn (30°), counter-clockwise to richen mixture, Needle Valve Adjustment:, After engine is primed, approximately ¼ turn Open from fully Closed, Displacement:, 0.765 cu in x 4 (12.5cc x 4), Bore:, 1.02" (25.8mm), Stroke:, .94" (24mm), Practical RPM:, 1,800-8,000, Weight:, 82oz (2,350g), Distance between Mounting Holes Same Side:, 3.1" (78.7mm), Distance between Mounting Holes Opposite Side:, 2.8" (71mm), Distance from rear of Engine Mount to Carburetor:, 4.4" (111.8mm), Distance from rear of Engine Mount to Prop Hub:, 9.2" (234.3mm), Distance/rear of Engine Mount to Outer Mounting Holes:, 5.2" (133mm), Distance between Cylinder Centers:, 1.6" (40mm), Height from Crankshaft Center to top of Engine:, 4.6" (116.8mm), Height/Crankshaft Center to Upper Engine Mount Hole:, 2" (50.8mm), Height/Crankshaft Center to Lower Engine Mount Hole:, 1.6" (40.6mm), Width between Engine Mount Holes:, 3" (76.2mm), Height between Engine Mount Holes:, 3.5" (89mm), ,
