Weight (with magnetos, carburetor, ignition wiring, spark plugs, primer system, exhaust flanges, baffles, accessory drives, ... Maximum normal rating 90 hp at 2250 ... Weight in bs./hp 2.51. Fuel consumption at rated power .55 lb./bhp/hr. Oil consumption at rated power .015 lb./bhp/hr. ... Weight (with WARNER Scarab Series 50 7 Cylinders oil pump, magnetos, unshielded ignition harness, carburetor, tAl-anbsp;...