FS481V-14.5HP FS541V-15HP FS600V-18.5HP FS651V-22HP
Engine Type Forced Air-Cooled V-twin 4-cycle Vertical Shaft OHV Gasoline Engine Forced Air-Cooled V-twin 4-cycle Vertical Shaft OHV Gasoline Engine Forced Air-Cooled V-twin 4-cycle Vertical Shaft OHV Gasoline Engine Forced Air-Cooled V-twin 4-cycle Vertical Shaft OHV Gasoline Engine
No. of Cylinders 2 2 2 2
Bore x Stroke 2.9 x 2.8 in. (73 x 72mm) 2.9 x 2.8 in. (73 x 72mm) 2.9 x 2.8 in. (73 x 72mm) 3.1 x 3.0 in. (78 x 76mm)
Displacement 603cm3 (36.8cu in) 603cm3 (36.8cu in) 603cm3 (36.8cu in) 726cm3 (44.3cu in)
Comp. Ratio 8.1:1 8.1:1 8.1:1 8.2:1
Oil Capacity 1.8U.S. qt (1.7liters) 1.8U.S. qt (1.7liters) 1.8U.S. qt (1.7liters) 2.2U.S. qt (2.1liters)
Maximum Power 14.5hp (10.8kW)/3,600rpm 15.0hp (11.2kW)/3,600rpm 18.5hp (13.8kW)/3,600rpm 15.0hp (11.2kW)/3,600rpm
Maximum Torque 30.9ft lbs (42.0N·m)/1,800RPM 31.0ft lbs (42.1N·m)/1,800RPM 32.5ft lbs (44.1N·m)/2,200RPM 39.4ft lbs (53.5N·m)/2,000RPM
Dry Weight 80.9lbs (36.7kg) 80.9lbs (36.7kg) 80.9lbs (36.7kg) 91.5lbs (41.5kg)