## 1991-1999 Yamaha XTZ660: A Comprehensive Overview
The Yamaha XTZ660, also known as the Ténéré 660, is a dual-sport motorcycle that was produced from 1991 to 1999. It is known for its versatility, off-road capabilities, and reliability.
### Engine and Transmission
The XTZ660 is powered by a liquid-cooled, single-cylinder, four-stroke engine with a displacement of 659cc. The engine features a double overhead camshaft (DOHC) and four valves per cylinder. It is renowned for its smooth power delivery, torquey character, and durability.
The engine is mated to a five-speed manual transmission that provides precise gear changes and a wide range of ratios for optimal performance in both on-road and off-road conditions. The transmission is complemented by a wet clutch that ensures smooth engagement and efficient power transfer.
### Chassis and Suspension
The XTZ660 is built on a lightweight and robust steel frame that provides excellent stability and handling. The frame is designed to withstand the rigors of off-road riding while maintaining a low center of gravity for enhanced agility.
The front suspension consists of a 43mm telescopic fork with long travel, providing excellent absorption of bumps and rough terrain. The rear suspension features a monoshock with adjustable preload and damping, allowing for customization based on load or riding conditions.
### Brakes and Wheels
The XTZ660 is equipped with dual hydraulic disc brakes at the front and a single hydraulic disc brake at the rear. These brakes provide strong and progressive stopping power, ensuring control and confidence in all riding situations.
The motorcycle rides on spoked wheels, which are ideal for off-road use due to their durability and ability to handle uneven surfaces. The front wheel measures 21 inches in diameter, while the rear wheel measures 17 inches, providing a balance of stability and maneuverability.
### Ergonomics and Features
The XTZ660 offers a comfortable and upright riding position that is suitable for both on-road and off-road riding. The motorcycle features an adjustable handlebar and seat height, allowing riders to find the optimal position for their height and riding style.
The motorcycle comes equipped with a range of features, including a digital instrument cluster, a large fuel tank for extended range, and a sturdy luggage rack for carrying gear. The XTZ660 is also known for its ease of maintenance, making it a great option for do-it-yourself enthusiasts.
### Overall
The 1991-1999 Yamaha XTZ660 is a highly capable and versatile dual-sport motorcycle that combines excellent off-road capabilities with on-road comfort. Its powerful and reliable engine, rugged chassis, and well-balanced ergonomics make it a great choice for riders who seek adventure and versatility in their motorcycling experience.
