( Brand: Maxpeedingrods ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Color: Silver ), ( Compatible Year: 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989 ), ( Compatible Year Range: 1989-2004 ), ( Compression: 8.7 ), ( Cylinder Bore Size: 71mm ), ( Displacement: 229.6cc ), ( Features: Corrosion-resistant, Durable ), ( Fitment 1: For Yamaha Bear Tracker 250, Year 1999-2004 ), ( Fitment 2: For Yamaha Timberwolf 250, Year 1992-2000 ), ( Fitment 3: For Yamaha Moto-4 250, Year 1989-1991 ), ( Important Notice: Package Included, Professional Installation Required ), ( Machine Type: Atv ), ( Manufacturer Part Number: SWTAY3 ), ( Manufacturer Warranty: 2 Years ), ( Material: Aluminum ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: 4bd-11310-01-00, 5vc-11351-01-00, 4bd-11631-00-y0, 4bd-11610-00-00, 29u-11633-00-00, 93450-17044-00, Dr7-ea000-00-00, 3gh-11181-00-00 ), ( Package Included: 1x Cylinder, 1 Set Piston Ring Kit, Wrist-pin, Circlip, Head Gasket, Base Gasket, Spark Plug ), ( Performance Part: Yes ), ( Quantity: As The Same As Picture ), ( Stroke: 58.00mm ), ( Surface Finish: Brand New ), ( Type: Complete Cylinder Piston Gasket Top End Rebuild Kit ), ( Unit Type: Unit ), ( Universal Fitment: No )
Review MAXPEEDINGRODS Engine Cylinder Piston Kit Yamaha 89 2004 fits BEAR TRACKER TIMBERWOLF 250 MOTO-4
Introducing the Maxxispeedingrods SWTAY3 Engine Cylinder Piston Kit, specifically designed for Yamaha Bear Tracker 250 Timberwolf Moto-4 models manufactured between 1989 and 2004. This high-performance piston kit is an excellent upgrade for riders seeking increased power and durability for their off-road adventures.
The SWTAY3 piston is engineered using a state-of-the-art forging process, ensuring superior strength and precision. The piston crown is meticulously designed to provide optimal combustion efficiency, enhancing the overall engine performance. The piston ring pack includes a compression ring, oil control ring, and skirt oil scraper ring, all engineered to provide a perfect seal and minimize friction, thereby reducing engine wear and improving power delivery.
The piston kit also includes a lightweight and robust connecting rod, made from high-strength steel. The rod is precision-machined to ensure a snug fit and optimal engine balance. The rod's big-end bearing surface is generously sized to accommodate the increased loads generated by the upgraded piston, ensuring longevity and reliability.
The SWTAY3 piston kit is an ideal upgrade for riders seeking to extract maximum power from their Yamaha Bear Tracker 250 Timberwolf Moto-4. It is essential for off-road enthusiasts who demand the best from their machines, enabling them to conquer even the most challenging terrains. This kit is a perfect blend of power, durability, and performance, making it a must-have for any serious off-road rider.
Installation of the SWTAY3 piston kit is relatively straightforward and can be completed with standard hand tools. The kit includes all necessary hardware, making it a complete solution for upgrading your engine cylinder piston and connecting rod. With its superior design, top-tier materials, and meticulous manufacturing process, the Maxxispeedingrods SWTAY3 Engine Cylinder Piston Kit is the ultimate choice for your Yamaha Bear Tracker 250 Timberwolf Moto-4.
Maxxispeedrods SWTAY3 Engine Cylinder Piston Kit for Yamaha Bear Tracker 250 Timberwolf Moto-4 (1989-2004): A Comprehensive Analysis
1. Overview:The Maxxispeedrods SWTAY3 engine cylinder piston kit is a performance upgrade designed for the Yamaha Bear Tracker 250 Timberwolf Moto-4 models manufactured between 1989 and 2004. This kit aims to enhance engine power and efficiency by replacing the stock pistons and cylinders with high-performance components.
2. Pros:- Increased horsepower and torque: The SWTAY3 kit is designed to provide better combustion efficiency and increased power output. This results in a more responsive engine with improved acceleration and overall performance.
- Enhanced durability: The pistons and cylinders in this kit are made from high-quality materials, which can withstand the rigors of off-road riding and provide extended engine life.
- Improved cooling: The SWTAY3 kit includes a cooling fin design that helps dissipate heat more effectively, reducing the risk of engine overheating and thermal damage.
- Better ring sealing: The piston rings in this kit provide improved sealing, minimizing blow-by and reducing oil consumption.
3. Cons:- Cost: The SWTAY3 kit is a premium upgrade and can be quite expensive. This might not be an affordable option for all riders.
- Installation complexity: Installing this kit requires some mechanical skill and knowledge, and it may take some time to complete the installation process.
- Potential powerband shift: Depending on the specific application, the SWTAY3 kit might result in a noticeable shift in the engine's powerband, which could affect the overall riding experience.
4. Conclusion:The Maxxispeedrods SWTAY3 engine cylinder piston kit for the Yamaha Bear Tracker 250 Timberwolf Moto-4 offers several advantages, such as increased horsepower and torque, enhanced durability, improved cooling, and better ring sealing. However, it comes with some disadvantages, like a high cost, complex installation, and potential powerband shift.
Ultimately, the decision to purchase this kit depends on your personal riding goals, budget, and mechanical skills. If you're looking for a significant performance upgrade and are willing to invest the time and money, then the SWTAY3 kit could be an excellent choice. However, if you're on a tight budget or prefer a more straightforward upgrade, there might be other options available that better suit your needs.
Recommendation:If you're looking for a performance upgrade for your Yamaha Bear Tracker 250 Timberwolf Moto-4 and are willing to invest in a high-quality, premium kit, then the Maxxispeedrods SWTAY3 engine cylinder piston kit could be an excellent choice. However, if you're on a budget or prefer a more straightforward upgrade, consider exploring other options such as air filters, exhaust systems, or carburetor modifications. Always ensure that you have the necessary mechanical skills and resources to complete any upgrades safely and effectively.
specifications atvsienna:
- for models: 250, Moto-4, Bear, Tracker, Timberwolf
- for makes: Yamaha
- brand: Maxpeedingrods
- california prop 65 warning: California Prop 65 Warning
- color: Silver
- compatible year: 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989
- compatible year range: 1989-2004
- compression: 8.7
- cylinder bore size: 71mm
- displacement: 229.6cc
- features: Corrosion-resistant, Durable
- fitment 1: For Yamaha Bear Tracker 250, Year 1999-2004
- fitment 2: For Yamaha Timberwolf 250, Year 1992-2000
- fitment 3: For Yamaha Moto-4 250, Year 1989-1991
- important notice: Package Included, Professional Installation Required
- machine type: Atv
- manufacturer part number: SWTAY3
- manufacturer warranty: 2 Years
- material: Aluminum
- note: No Instruction Included
- notice: This Is Aftermarket Replcement Part.
- oe/oem part number: 4bd-11310-01-00, 5vc-11351-01-00, 4bd-11631-00-y0, 4bd-11610-00-00, 29u-11633-00-00, 93450-17044-00, Dr7-ea000-00-00, 3gh-11181-00-00
- package included: 1x Cylinder, 1 Set Piston Ring Kit, Wrist-pin, Circlip, Head Gasket, Base Gasket, Spark Plug
- performance part: Yes
- quantity: As The Same As Picture
- stroke: 58.00mm
- surface finish: Brand New
- type: Complete Cylinder Piston Gasket Top End Rebuild Kit
- unit type: Unit
- universal fitment: No
general atvsienna:
- ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts
- condition: New
payments atvsienna:
- wallet: Google-pay
- other
- credit card: Diners-club
shipping atvsienna:
- transit: 3-7 Days
- class: Standard
- service: FedEx Ground / FedEx Home Delivery
- type: Fixed
- cost: $0.00
- carrier: FedEx
returns atvsienna:
- time: 30 Days
- paid by: Seller
- policy: Returns Accepted
seller atvsienna:
- rating: 98.4%
- # reviews: 1116
offer atvsienna:
- best offers: True
- availability: In Stock
- quantity: 4
- started: February 25, 2026
- options: Ship-to-home
- sold: 0
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