( Brand: Oumurs ), ( Manufacturer Part Number: A037YA11006ZB ), ( Color: Silver ), ( Warranty: 60 Day ), ( Vehicle Type: Atv ), ( Fitment 1: Fit For Yamaha Kodiak 400 1993-1999 ), ( Fitment 2: Fit For Yamaha Big Bear 400 2000-2012 ), ( Piston Diameter: 82.9 Mm ), ( Bundle Listing: Yes ), ( Piston Height: 57.5 Mm ), ( Fitment Type: Direct Replacement ), ( Type: Cylinder Gasket Piston Rings Set ), ( Cylinder Oem Part Numbers 1: 5fu-11310-01-00, 5fu-11310-00-00, 4gb-11310-00-00 ), ( Piston Oem Part Numbers 2: 4gb-11631-00-y0 ), ( Piston Ring Set Oem Part Numbers 3: 4gb-11610-00-00, 42y-11610-00-00, 42y-11610-01-00 ), ( Wristpin Oem Part Numbers 4: 51y-11633-00-00 ), ( Parts Included 1: 1x Cylinder ), ( Parts Included 2: 1x Piston Ring Kit, Piston Rings, Wristpin, Circlips ), ( Parts Included 3: 1x Head Gasket 1x Base Gasket ), ( Cylinder Bore: 83 Mm ), ( Cylinder Displacement: 386 Cc ), ( Circlip 2 : 93450-19095-00 ), ( Cylinder Head Gasket: 1uy-11181-00-00, 1uy-11181-01-00 ), ( Cylinder Base Gasket: 4kb-11351-00-00, 3gd-11351-00-00 ), ( Chain Tensioner Gasket: 3gd-12213-00-00 ), ( O-ring: 93210-86509-00 ), ( Piston Pin Diameter: 19 Mm ), ( Piston Pin Height: 58 Mm )
Review OUMURS Yamaha Big Bore 83mm Cylinder Piston Gaskets Top End Kit fits BEAR 400 2000–2012
Introducing the OEM (Original Equipment Manufacturer) replacement top end piston gasket kit (A037YA11006ZB) for Yamaha Big Bear 400 ATV models produced between 2000 and 2012. This kit is engineered to provide a perfect fit and reliable performance, ensuring your engine runs smoothly and efficiently.
The top end piston gasket kit includes all necessary gaskets required to seal the top half of the engine. These gaskets are vital in maintaining the compression and cooling system's integrity, preventing oil and coolant leaks.
Each gasket in this kit is made of high-quality materials, designed to withstand the rigors of off-road riding. They are meticulously engineered to match the contours of the engine components, ensuring a tight seal and a leak-free operation.
The piston gasket kit comes with several essential components, such as:1. Compression rings gaskets: These gaskets ensure a proper seal between the piston and the cylinder wall, maintaining the compression efficiency of the engine.
2. Oil control rings gaskets: These gaskets seal the oil control rings to the piston, preventing oil from escaping into the crankcase and ensuring optimal engine lubrication.
3. Valve guide seals: These seals prevent oil from leaking past the valve stems and maintain the valvetrain's integrity.
4. Head gasket: This gasket seals the cylinder head to the engine block, maintaining the compression and cooling system's integrity.
By using the genuine OEM piston gasket kit (A037YA11006ZB) for your Yamaha Big Bear 400 ATV, you can ensure a reliable and long-lasting engine performance. This kit is a direct replacement for the worn-out or damaged gaskets and is specifically designed to fit your vehicle seamlessly.
Installation of this kit is relatively straightforward, and the gaskets come pre-cut to fit the engine components precisely. However, it is essential to follow the instructions provided in the kit carefully to ensure a successful installation.
In summary, the OEM piston gasket kit (A037YA11006ZB) for Yamaha Big Bear 400 ATV models (2000-2012) is an essential upgrade for maintaining the engine's health and performance. These high-quality gaskets are designed to provide a tight seal, prevent leaks, and ensure optimal engine efficiency.
Top End Kit (OEMurs A037YA11006ZB) for 2000-2012 Yamaha Big Bear 400: A Comprehensive Analysis
Introduction:The OEMurs A037YA11006ZB top end kit is a popular aftermarket solution for addressing piston gasket issues in Yamaha Big Bear 400 models from 2000 to 2012. This analysis will explore the advantages and disadvantages of purchasing this top end kit to help you make an informed decision.
Pros:1. Enhanced performance: The OEMurs A037YA11006ZB top end kit includes new pistons, cylinders, gaskets, and other necessary components. This complete rebuild of the engine's top end can lead to improved engine performance, including increased power and torque.
2. OEM-quality parts: The OEMurs kit consists of original equipment manufacturer (OEM) replacement parts. This ensures a direct fit and reliable performance, as the parts are designed specifically for the Yamaha Big Bear 400.
3. Reduced engine wear and tear: Over time, the piston gaskets in the Big Bear 400's engine can deteriorate, leading to potential issues such as oil leaks and decreased engine efficiency. By installing the OEMurs top end kit, you can replace these worn components, reducing the overall wear and tear on your engine.
4. Peace of mind: The OEMurs A037YA11006ZB top end kit comes with a warranty, which can provide peace of mind for the purchaser. Depending on the specific retailer or distributor, the warranty may cover various aspects of the kit, such as the pistons, cylinders, or gaskets.
Cons:1. Cost: The OEMurs A037YA11006ZB top end kit is a significant investment. The cost of the kit may be higher than the cost of individual replacement parts or even rebuilding the engine yourself. However, the convenience of a complete kit and the potential performance gains may justify the expense for some consumers.
2. Installation complexity: Installing a top end kit like the OEMurs A037YA11006ZB can be a complex and time-consuming process. It may require specialized tools and knowledge, which could add to the overall cost and complexity of the project.
3. Potential for additional repairs: Depending on the condition of the engine and other components, installing a top end kit may uncover other issues that need to be addressed. These additional repairs could add to the overall cost and complexity of the project.
Conclusion:In conclusion, the OEMurs A037YA11006ZB top end kit offers several advantages for owners of 2000-2012 Yamaha Big Bear 400s, including improved engine performance, OEM-quality parts, reduced engine wear and tear, and peace of mind. However, the kit's significant cost, installation complexity, and potential for additional repairs are important considerations. Ultimately, the decision to purchase the OEMurs top end kit depends on your budget, technical abilities, and desired outcomes for your Yamaha Big Bear 400.
Recommendation:If you are looking for a reliable and complete solution to address piston gasket issues on your 2000-2012 Yamaha Big Bear 400, the OEMurs A037YA11006ZB top end kit is an excellent choice. However, consider your budget and technical abilities before making the purchase. If the cost is a concern, you may want to explore alternative options, such as rebuilding the engine yourself or purchasing individual replacement parts.
specifications atvsienna:
- for models: 400, Bear
- for makes: Yamaha
- for years: 2000-2012
- brand: Oumurs
- manufacturer part number: A037YA11006ZB
- color: Silver
- warranty: 60 Day
- vehicle type: Atv
- fitment 1: Fit For Yamaha Kodiak 400 1993-1999
- fitment 2: Fit For Yamaha Big Bear 400 2000-2012
- piston diameter: 82.9 Mm
- bundle listing: Yes
- piston height: 57.5 Mm
- fitment type: Direct Replacement
- type: Cylinder Gasket Piston Rings Set
- cylinder oem part numbers 1: 5fu-11310-01-00, 5fu-11310-00-00, 4gb-11310-00-00
- piston oem part numbers 2: 4gb-11631-00-y0
- piston ring set oem part numbers 3: 4gb-11610-00-00, 42y-11610-00-00, 42y-11610-01-00
- wristpin oem part numbers 4: 51y-11633-00-00
- parts included 1: 1x Cylinder
- parts included 2: 1x Piston Ring Kit, Piston Rings, Wristpin, Circlips
- parts included 3: 1x Head Gasket 1x Base Gasket
- cylinder bore: 83 Mm
- cylinder displacement: 386 Cc
- circlip 2 : 93450-19095-00
- cylinder head gasket: 1uy-11181-00-00, 1uy-11181-01-00
- cylinder base gasket: 4kb-11351-00-00, 3gd-11351-00-00
- chain tensioner gasket: 3gd-12213-00-00
- o-ring: 93210-86509-00
- piston pin diameter: 19 Mm
- piston pin height: 58 Mm
returns atvsienna:
- paid by: Seller
- policy: Returns Accepted
- time: 30 Days
shipping atvsienna:
- type: Fixed
- cost: $0.00
- class: Standard
- transit: 3-6 Days
- service: Standard
offer atvsienna:
- started: January 21, 2026
- sold: 0
- best offers: True
- availability: In Stock
- options: Ship-to-home
seller atvsienna:
- rating: 98.6%
- # reviews: 5225
general atvsienna:
- ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts
- condition: New
payments atvsienna:
- other
- wallet: Paypal
- credit card: Diners-club
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