YAMAHA 3HN-85550-00-00 Big Engine Flywheel Starter Gear Need Clutch Sprag

( Machine Type: Atv ), ( Oe/oem Part Number: 1uy-15517-00-00 1uy-15517-01-00 ), ( Color: Silver ), ( Manufacturer Part Number: 3HN-85550-00-00 ), ( Compatible Year: 1989, 1991, 1990 )

Review YAMAHA Big Engine Flywheel And Starter Gear Need Clutch Sprag fits BEAR YFM 350 1991

Yamaha YFM 350 Big Bear Engine Flywheel Starter Gear and Clutch Sprag

The Yamaha YFM 350 Big Bear engine is a renowned powerhouse in the world of ATVs, known for its durability and high-performance capabilities. The engine comprises several intricate components that work in harmony to deliver an unmatched riding experience. One such essential component is the flywheel starter gear and clutch sprag.

The flywheel starter gear is an integral part of the engine's starting system. It connects the engine crankshaft to the starter motor, allowing the engine to be started via the electrical system. The flywheel starter gear is engineered meticulously to provide smooth and efficient engagement between the starter motor and the engine, ensuring a reliable start every time. The gear teeth are precision-machined to ensure a positive connection, resulting in a consistent and strong starting torque.

The clutch sprag, on the other hand, is part of the engine's clutch system. It acts as a centrifugal clutch mechanism that engages and disengages the engine transmission based on engine speed. When the engine speed reaches a certain threshold, the clutch sprag engages the transmission, allowing the vehicle to move. Conversely, when the engine speed drops below a specific RPM, the clutch sprag disengages, allowing the engine to idle freely without powering the transmission. The clutch sprag plays a crucial role in the ATV's performance and efficiency, ensuring a seamless power transfer between the engine and the wheels.

This particular product listing is for the Yamaha 3hn-85550-00-00 replacement flywheel starter gear and clutch sprag for the YFM 350 Big Bear engine. These components are designed to meet or exceed the original equipment manufacturer (OEM) specifications, ensuring a perfect fit and reliable operation. By replacing worn-out or damaged parts with genuine Yamaha components, you'll not only restore your ATV's performance but also extend its lifespan, making it a worthwhile investment for any enthusiast or professional user.

In conclusion, the Yamaha YFM 350 Big Bear engine flywheel starter gear and clutch sprag are essential components that contribute significantly to the overall performance and reliability of the engine. Replacing these parts with genuine Yamaha components guarantees a return to optimal engine operation and extends the life of your ATV.

Pros and Cons of Buying a Yamaha 3hn-85550-00-00 1991 YFM 350 Big Bear Engine: Flywheel Starter Gear and Clutch Sprag

The Yamaha 3hn-85550-00-00 is a flywheel starter gear and clutch sprag designed for the 1991 YFM 350 Big Bear engine. This component is crucial for the proper functioning of the engine. In this article, we will discuss the advantages and disadvantages of buying this part.

1. Enhanced Performance: A new flywheel starter gear and clutch sprag can improve the overall performance of the engine. A worn-out clutch sprag can cause slippage, leading to poor power delivery. Replacing it with a new one ensures efficient power transfer.

2. Reliability: A worn-out starter gear or clutch sprag can cause engine damage if left unattended. Replacing these parts with new ones can increase the engine's reliability and longevity.

3. Smoother Engine Operation: A new clutch sprag can provide smoother engine operation, reducing vibrations and improving the riding experience.

4. Cost-Effective: Replacing these parts before they cause significant damage can save money in the long run by preventing costly repairs.

1. Cost: The cost of a new flywheel starter gear and clutch sprag can be expensive, especially for older models like the 1991 YFM 350 Big Bear engine.

2. Availability: These parts may be difficult to find, especially for older models, and may require some research to track down a reliable supplier.

3. Installation Complexity: Installing these parts can be a complex process, requiring specialized tools and knowledge. It may be best to leave the installation to a professional mechanic.

In conclusion, while the cost and availability of a new flywheel starter gear and clutch sprag for the 1991 YFM 350 Big Bear engine may be a concern, the benefits of improved performance, reliability, and smoother engine operation make it a worthwhile investment. It is essential to source the part from a reliable supplier and consider the installation complexity.

My recommendation would be to research reputable suppliers for the Yamaha 3hn-85550-00-00 1991 YFM 350 Big Bear Engine flywheel starter gear and clutch sprag. Ensure that the parts meet the manufacturer's specifications and are in good condition before purchasing. It is also advisable to consult with a professional mechanic for installation to ensure proper fitting and function.

part # 3hn855500000 prices

• $45.00-$199.95

specifications atvsienna:

• for models: Yfm, 350, Bear
• for makes: Yamaha
• machine type: Atv
• oe/oem part number: 1uy-15517-00-00 1uy-15517-01-00
• color: Silver
• manufacturer part number: 3HN-85550-00-00
• compatible year: 1989, 1991, 1990

seller atvsienna:

• rating: 100.0%
• # reviews: 4852

payments atvsienna:

• credit card: Discover
• wallet: Apple-pay
• other

shipping atvsienna:

• service: USPS Priority Mail
• carrier: USPS
• class: Expedited
• transit: 4-9 Days
• type: Fixed
• cost: $0.00

returns atvsienna:

• policy: No Returns

offer atvsienna:

• best offers: True
• options: Ship-to-home
• started: July 12, 2025
• quantity: 1
• sold: 0
• availability: In Stock

general atvsienna:

• condition: For parts or not working
• ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts

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