Overhead Cam Vertical Shaft
| Model | GCV160A | GCV190A |
| Engine Type | Air-cooled 4-stroke OHC single cylinder | |
| Bore x Stroke | 2.5 x 2.0 in (64 x 50 mm) | 2.7 x 2.0 in (69 x 50mm) |
| Displacement | 9.8 cu in (160 cm3) | 11.4 cu in (187 cm3) |
| Compression Ratio | 8:5:1 | 8:5:1 |
| Maximum Power Outage | 5.5 (BHP) / 3600 rpm | 6.5 (BHP) / 3600 rpm |
| Maximum Torque | 7.6 lbf ft (10.3 Nm - 1.05kg-m) / 2500 rpm | 8.1 lbf ft (11.0 Nm - 1.12 kg-m) / 2500 rpm |
| Ignition System | Transistorized magneto | |
| Starting System | Recoil | |
| Fuel Tank Capacity | 1.16 U.S. Qts (1.1 liter) | |
| Air Cleaner | Dry (paper filter) | |
| Oil Capacity | 0.58 U.S. Qts (0.55 liters) | |
| Lubrication Sstem | Forced Splash | |
| Fuel Consumption | 1.1 U.S. Qts per hour (1.0 liter) | 1.21 U.S. Qts per hour (1.2 liter) |
| Dimensions (LxWxH) | 14.4 x 13 x 14.2 in (366 x 330 x 361 mm) | 14.4 x 13 x 14.4 in (367 x 331 x 366 mm) |
| Dry Weight | 22.0 lbs (10.0 kg) | 27.6 lbs (12.5 kg) |