This comprehensive owner's manual for the 1999 Yamaha YFM350UBL Big Bear ATV provides detailed information on every aspect of your machine. It begins with essential safety information, outlining precautions and techniques for responsible riding. You'll find a clear explanation of the control functions, covering the main switch, indicator lights, handlebar switches, and more. The manual includes detailed descriptions of the machine's components, including the throttle lever, speed limiter, braking system, and shift pedal. It also provides detailed instructions for starting, operating, and maintaining your ATV. Learn how to properly handle your machine in different terrain and weather conditions. From starting a cold engine to crossing shallow water, the manual equips you with the knowledge and skills for safe and enjoyable riding. The manual also addresses essential maintenance procedures, including periodic checks and inspections, lubrication, and component replacement. You'll find step-by-step instructions for tasks like wheel removal, engine oil replacement, transfer gear oil replacement, battery replenishment, differential gear oil replacement, and air filter cleaning. Troubleshooting sections are provided to help diagnose and address any issues you may encounter. Get a thorough understanding of the carburetor adjustment, valve clearance adjustment, and throttle lever adjustment procedures. The manual also features detailed specifications and a maintenance record section for tracking your ATV's service history.

The Yamaha YFM350UBL Big Bear, produced from 1999 to 2002, was a reliable and versatile all-terrain vehicle (ATV) designed for a wide range of outdoor activities. Its 348cc, 4-stroke, air-cooled, single-cylinder engine provided ample power for tackling various terrains, while its durable steel frame and independent suspension ensured a smooth and comfortable ride. The Big Bear was lauded for its user-friendliness, making it an excellent choice for both beginners and experienced riders. Featuring a standard transmission with automatic clutch and reverse, the Big Bear simplified the riding experience, allowing riders to focus on enjoying the trail. Its comfortable seating position, ample ground clearance, and robust design made it capable of handling challenging trails and carrying substantial loads. Beyond its ruggedness, the YFM350UBL Big Bear offered a range of features that enhanced its appeal. Its electric start made it easy to fire up, while its halogen headlight provided excellent visibility in low-light conditions. The ATV incorporated a hydraulic disc brake system in the front and a drum brake in the rear, ensuring reliable stopping power. It was equipped with a 10.9-liter fuel tank, which, combined with its fuel-efficient engine, enabled extended riding sessions. The Big Bear's versatility extended beyond recreational use; it was often utilized for tasks like hauling supplies, clearing land, and towing equipment. The Yamaha YFM350UBL Big Bear became a staple in the ATV market, renowned for its robust build, user-friendly design, and versatility, making it an ideal companion for outdoor enthusiasts and utility users alike.