( Brand: Bfo ), ( Part Type: Clutch ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Compatible Year: 2008, 2007, 2006, 2005, 2004, 2003, 2002 ), ( Machine Type: Atv ), ( Manufacturer Part Number: 7DX9IY ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: 5ug-17620-00-00, 93104-41119, 5km-17632-00-00, 5km-17623-00-00 ), ( Oem Part Numbers 1: 5ug-17620-00-00, 93104-41119-00 ), ( Oem Part Numbers 2: 5km-17632-00-00, 5km-17623-00-00 ), ( Oem Part Numbers 3: 4wv-17653-00-00, 4wv-17654-01-00 ), ( Oem Part Numbers 4: 93211-594a4-00, 4wv-17639-10-00 ), ( Oem Part Numbers 5: 98517-04012-00, 90201-047r9-00 ), ( Parts Included 1: Drive Clutch Sheave Assembly ), ( Surface Finish: Brand New ), ( Universal Fitment: Yes ), ( Vehicle Type: Utv )
Review BFO Primary Driven Clutch Sheave Assembly Yamaha fits GRIZZLY YFM 660 2002–2008
The BFO 7DX9IY clutch sheave is an essential component for the Yamaha YFM 660 Grizzly models produced between 2002 and 2008. This clutch sheave, manufactured by BFO, is meticulously engineered to provide reliable and efficient power transmission from the engine to the drivetrain.
The BFO 7DX9IY clutch sheave is designed with a diameter of approximately 12.3 inches (312 mm) and a width of around 1.3 inches (32 mm). Its robust construction is achieved through the use of high-quality materials, including a durable poly-V belt rib design for optimal flexibility and strength.
This clutch sheave boasts a precisely machined surface that ensures perfect alignment with the engine crankshaft and the transmission input shaft. The smooth, even surface reduces friction and wear, contributing to extended component life and improved overall performance.
The BFO 7DX9IY clutch sheave is designed to work seamlessly with the OEM (original equipment manufacturer) belt and clutch system on the Yamaha YFM 660 Grizzly. Its drop-in design makes installation quick and easy, requiring no modifications or additional components.
In summary, the BFO 7DX9IY clutch sheave is an essential upgrade for Yamaha YFM 660 Grizzly owners seeking improved power transmission efficiency and durability. Its meticulously engineered design, high-quality materials, and seamless compatibility with the OEM belt and clutch system make it an excellent choice for maintaining optimal performance and longevity of the drivetrain on these vehicles.
Buying a BFO 7DX9IY clutch sheave for a Yamaha YFM 660 Grizzly (model years 2002-2008) comes with both advantages and disadvantages. Here's a detailed analysis:
Advantages:1. Improved Clutch Performance: A new clutch sheave can lead to better clutch engagement, smoother operation, and reduced slippage. This results in improved acceleration and overall performance.
2. Durability: A new clutch sheave is designed to last longer than the original equipment. This can save you money in the long run, as you won't have to replace it as frequently.
3. Quieter Operation: A worn-out clutch sheave can cause noise when the vehicle is in operation. A new sheave can help reduce or eliminate these noises, making your ride quieter and more enjoyable.
Disadvantages:1. Cost: A new clutch sheave can be more expensive than the original equipment. This may deter some buyers, especially those on a tight budget.
2. Installation: Installing a new clutch sheave can be a complex process, and it may require specialized tools and knowledge. It's essential to ensure that the installation is done correctly to avoid any potential issues.
3. Potential for Other Clutch Components to Wear Faster: Replacing just the clutch sheave may cause other clutch components to wear out faster. This could lead to additional replacement costs in the future.
Conclusion:The decision to buy a BFO 7DX9IY clutch sheave for a Yamaha YFM 660 Grizzly depends on your specific needs and circumstances. If you're experiencing clutch issues, such as slippage or noise, and want to improve your vehicle's performance, then a new clutch sheave may be worth the investment. However, if you're on a tight budget or prefer to avoid the installation process, then it may be best to stick with the original equipment. Ultimately, the choice is yours, and it's essential to weigh the benefits and drawbacks carefully before making a decision.
Recommendation:If you decide to go ahead and purchase a new clutch sheave, make sure to buy it from a reputable source to ensure its quality and compatibility with your vehicle. Additionally, consider having it installed by a professional to ensure it's done correctly and to avoid any potential issues. Finally, keep in mind that replacing just the clutch sheave may cause other clutch components to wear out faster, so be prepared for potential additional replacement costs in the future.
specifications utvshift:
- for models: Yfm, 660, Grizzly
- for makes: Yamaha
- for years: 2002-2008
- brand: Bfo
- part type: Clutch
- california prop 65 warning: California Prop 65 Warning
- compatible year: 2008, 2007, 2006, 2005, 2004, 2003, 2002
- machine type: Atv
- manufacturer part number: 7DX9IY
- note: No Instruction Included
- notice: This Is Aftermarket Replcement Part.
- oe/oem part number: 5ug-17620-00-00, 93104-41119, 5km-17632-00-00, 5km-17623-00-00
- oem part numbers 1: 5ug-17620-00-00, 93104-41119-00
- oem part numbers 2: 5km-17632-00-00, 5km-17623-00-00
- oem part numbers 3: 4wv-17653-00-00, 4wv-17654-01-00
- oem part numbers 4: 93211-594a4-00, 4wv-17639-10-00
- oem part numbers 5: 98517-04012-00, 90201-047r9-00
- parts included 1: Drive Clutch Sheave Assembly
- surface finish: Brand New
- universal fitment: Yes
- vehicle type: Utv
returns utvshift:
- paid by: Seller
- policy: Returns Accepted
- time: 30 Days
shipping utvshift:
- class: Standard
- carrier: FedEx
- type: Fixed
- transit: 4-7 Days
- cost: $0.00
- service: FedEx Ground / FedEx Home Delivery
offer utvshift:
- quantity: 12
- options: Ship-to-home
- best offers: True
- availability: In Stock
- sold: 0
- started: September 20, 2025
general utvshift:
- ATV, Side-by-Side UTV Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain Parts
- condition: New
seller utvshift:
- rating: 99.4%
- # reviews: 169
payments utvshift:
- other
- credit card: Mastercard
- wallet: Google-pay
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