fits model: Yfm, 400, Bear. make: Yamaha.

( Manufacturer Part Number: 5FU-85540-10-00 ), ( Part Type: Unit ), ( Country/region Of Manufacture: Japan )
The Yamaha 5FU-85540-10-00 Big Bear YFM 400 CDI Unit is an exceptional off-road vehicle engine designed by Yamaha, a renowned name in the motorcycle and ATV industry. This unit is specifically engineered for the YFM450 model, providing remarkable power and performance.
The Big Bear YFM 400 CDI Unit is a 421cc, 4-stroke, single-cylinder engine with a liquid-cooled system. This design ensures efficient heat dissipation, maintaining optimal engine temperature even during prolonged use. The engine is equipped with a electronic fuel injection system (EFI), which provides precise fuel delivery, enhancing fuel efficiency and overall engine performance.
The unit features a CDI (Capacitor Discharge Ignition) system, which offers reliable ignition, reducing spark plug wear and providing consistent performance. The engine also boasts a reed valve intake system, which allows for a smooth and efficient intake of air-fuel mixture, ensuring optimal combustion and power output.
The Big Bear YFM 400 CDI Unit is equipped with a 5-speed transmission, providing a wide range of gears for various terrains and riding conditions. The engine is also equipped with a wet sump oil system, ensuring adequate lubrication for the engine's internal components, extending its lifespan.
In conclusion, the Yamaha 5FU-85540-10-00 Big Bear YFM 400 CDI Unit is a high-performance engine that delivers power, efficiency, and reliability. Its advanced features, such as liquid cooling, electronic fuel injection, and a CDI ignition system, make it an excellent choice for off-road enthusiasts looking for a powerful and dependable engine for their YFM450 ATV.
Pros of buying a Yamaha YFM 400 CDI Big Bear:1. Reliability: Yamaha is known for its durability and reliability, and this ATV is no exception. It's powered by a dependable 398cc engine.
2. Fuel Efficiency: The Yamaha YFM 400 CDI is known for its excellent fuel efficiency, which can save you money in the long run.
3. Power and Performance: The ATV features a 4-stroke, 4-valve, SOHC engine that delivers both power and performance.
4. Comfort: The Big Bear model comes with a comfortable seat, making long rides enjoyable.
5. Versatility: This ATV is suitable for a variety of terrains, from trails to fields, and can carry a decent load.
Cons of buying a Yamaha YFM 400 CDI Big Bear:1. Price: Compared to some other ATVs in its class, the Yamaha YFM 400 CDI Big Bear can be quite pricey.
2. Limited Modifications: Some users have reported that the Yamaha YFM 400 CDI is not as easy to modify as some other ATVs, which may limit its customization potential.
3. Limited Storage: While the Yamaha YFM 400 CDI has a decent amount of storage, it may not be enough for those who need to carry a lot of gear.
Ending Conclusion:The Yamaha YFM 400 CDI Big Bear is a reliable, powerful, and fuel-efficient ATV that is suitable for a variety of terrains. While it may be more expensive than some other ATVs in its class and have limited customization potential, its durability, comfort, and versatility make it a worthwhile investment for many riders. If you're looking for an ATV that can handle a variety of terrain and riding conditions, the Yamaha YFM 400 CDI Big Bear is a great option to consider.
Recommendation:If you're in the market for a new ATV and are looking for a dependable, powerful, and versatile machine, the Yamaha YFM 400 CDI Big Bear is definitely worth considering. While it may be more expensive than some other options, its reliability, fuel efficiency, and comfort make it a great investment for many riders. Whether you're a seasoned ATV enthusiast or a newcomer to the sport, the Yamaha YFM 400 CDI Big Bear is sure to provide you with countless hours of enjoyment.
The brand of this part is Yamaha. It is compatible with a variety of Yamaha model's and an essential component for ensuring your ATV, Side-by-Side or UTV runs smoothly. It is manufactured in Japan and has the Manufacturer Part Number 5FU-85540-10-00. This Genuine Yamaha Big Bear YFM 400 CDI Unit Assembly is a high-quality replacement part for your ATV, Side-by-Side or UTV.