Equipped with a 51.7cc Viper engine, the Eskimo Shark Z51 provides high performance from top to bottom. Designed specifically for ice augers, the Viper's high torque (8,000 RPM) delivers unmatched cutting speed and dependable startup in cold weather. Dual-symmetrical serrated Quantum blades cut faster and resist ice and snow buildup, offering balanced operation and a smooth, controlled cut. Primer button for quick response starting. Extra-large recoil handle makes it easy to start the engine while wearing gloves or mittens. See-through gas tank for easy gas level monitoring. Muffler guard protects you from hot areas. Ergonomically designed comfort grip handle bar and throttle control for maximum grip. Centering ring prevents drilling angled holes. Eskimo red powdercoat paint finish for durability. Included blade protector extends the life of the blades. Two year limited warranty.