This comprehensive Yamaha ATV YFM350ER MOTO 4 Workshop Manual provides detailed instructions and illustrations to guide you through every repair and maintenance procedure for your 1987-1990 model. Whether you're a seasoned mechanic or a DIY enthusiast, this manual will empower you to tackle any repair with confidence. The manual covers a vast array of topics, including routine maintenance, tune-up procedures, engine removal and installation, cylinder head and valve train repair, engine block repairs, engine lubrication, intake manifold and exhaust system modifications, cooling and heating system maintenance, fuel and emissions system troubleshooting, transaxle, clutch, manual transmission, automatic transmission, differential, driveshaft, steering, suspension, brakes (including ABS), body, heater and air conditioning, automatic climate control, electrical systems (including SRS), supplemental restraint system (SRS), engine repair, air conditioning, exhaust, emissions control, ignition, steering, and wiring diagrams. This manual also includes valuable information on valve timing procedures, chain and gear replacement, general removal and installation instructions, safety precautions, special tools, tensioner adjustments, tightening torques, timing marks, valve timing instructions, tensioner release and reset methods, chain routing, sprocket/gear valve timing marks, and much more. With clear, step-by-step instructions and detailed illustrations, this manual provides the essential knowledge you need to keep your Yamaha ATV YFM350ER MOTO 4 running smoothly for years to come. You'll save money on costly repairs and gain the satisfaction of knowing that you can maintain and repair your vehicle yourself.

The Yamaha YFM350ER Moto 4 is a popular ATV model that was produced from 1987 to 1990. It's known for its rugged build, reliable performance, and versatile capabilities, making it suitable for both recreational riding and light work tasks. The YFM350ER is powered by a 347cc, air-cooled, single-cylinder engine that delivers a smooth and responsive ride. It features a 5-speed manual transmission and a chain-driven final drive, providing ample power for tackling diverse terrain. This ATV boasts a robust suspension system with independent front and rear suspension, ensuring a comfortable and stable ride even over rough terrain. It also includes powerful disc brakes on all four wheels, providing reliable stopping power. The YFM350ER is a versatile ATV that can be used for a variety of purposes, from trail riding to light utility tasks. It's a popular choice for off-road enthusiasts and landowners seeking a reliable and capable ATV. The workshop manual provided here, designed for all models and years, is a valuable resource for owners looking to perform their own maintenance and repairs, potentially saving substantial costs on professional services.