MAXPEEDINGRODS YVL2KU Top Engine Cylinder Piston End Kit

( Brand: Maxpeedingrods ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Color: Silver ), ( Compatible Year: 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, 1987 ), ( Compatible Year Range: 1987-2009 ), ( Custom Bundle: Yes ), ( Cylinder Bore Size: 83 Mm X 64.50 Mm ), ( Displacement: 348 Cc ), ( Engine Type: 4-stroke ), ( Features: Corrosion-resistant, Durable, Sealed ), ( Fitment 1: Fit For Yamaha Big Bear 350 4x4 ), ( Fitment 10: Fit For Yamaha Warrior 350 ), ( Fitment 11: Fit For Yamaha Wolverine 350 4x4 ), ( Fitment 12: Fit For Yamaha Wolverine 350 2x4 ), ( Fitment 2: Fit For Yamaha Big Bear 350 2x4 ), ( Fitment 3: Fit For Yamaha Bruin 350 4x4 ), ( Fitment 4: Fit For Yamaha Bruin 350 2x4 ), ( Fitment 5: Fit For Yamaha Grizzly 350 2x4 ), ( Fitment 6: Fit For Yamaha Grizzly 350 4x4 ), ( Fitment 7: Fit For Yamaha Grizzly 350 4x4 Irs ), ( Fitment 8: Fit For Yamaha Moto-4 350 ), ( Fitment 9: Fit For Yamaha Raptor 350 ), ( Important Notice: Package Included, Professional Installation Required ), ( Internal Cylinder Coating: No ), ( Manufacturer Part Number: YVL2KU ), ( Manufacturer Warranty: 2 Years ), ( Material: Aluminum ), ( Mounting Style: Bolt-on ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: 1uy-11310-03-00, 4kb-11351-00-00, 93450-19095-00, 4gb-11610-00-00 1yw-11631-01-y0, 55v-11633-00-00, 1uy-11181-01-00, 5yt-11310-00-00 4wu-11310-00-00 ), ( Package Included: 1x Cylinder Block, 1x Piston, 5x Piston Rings, 2x Circlips, 1x Head Gasket, 1x Base Gasket, 1x Gasket Maker Threadlocker ), ( Piston: Cast Piston ), ( Piston Height: 58.8 Mm ), ( Piston Pin Diameter: 19 Mm ), ( Piston Pin Height: 65 Mm ), ( Quantity: As The Same As Picture ), ( Stroke: 64.50 Mm ), ( Surface Finish: Brand New ), ( Type: Cylinder Piston Top End Rebuild Kit ), ( Unit Type: Unit )

Review MAXPEEDINGRODS Engine Cylinder Piston Top End Kit Yamaha fits WARRIOR YFM350X 350 1987–2004

Introducing the Maxpeedingrods YVL2KU Engine Cylinder Piston Top End Kit, specifically designed for Yamaha Warrior 350 (YFM350X) models produced between 1987 and 2004. This top end kit is an excellent upgrade for enthusiasts seeking enhanced performance and durability from their ATV engine.

The heart of this kit is the high-performance piston. Engineered using a forged aluminum alloy, this piston offers superior strength and reliability compared to its cast counterparts. Its unique design boasts a compression height increased by 1mm, allowing for greater combustion efficiency and power output. Additionally, the piston skirt features a revised profile for improved ring seal and reduced friction, contributing to smoother engine operation.

The piston is accompanied by a set of high-quality cylinder liners. These liners are made from a heat-treated chrome-molybdenum steel, ensuring excellent thermal conductivity and resistance to wear. They feature a bore size of 89.58mm, ensuring a perfect fit in the engine cylinder.

The kit also includes new, high-performance piston rings. These rings are designed to provide an optimal seal between the piston and cylinder, reducing blow-by and improving combustion efficiency. They are also engineered to withstand the increased pressure generated by the upgraded piston, ensuring long-lasting performance.

Completing the top end kit is a set of high-performance cylinder heads. These heads are CNC-machined from a single block of aluminum, ensuring a perfect fit and superior machining quality. They feature improved port design and larger intake and exhaust valves, allowing for increased air and fuel flow and improved power output. The heads are also equipped with upgraded valve guides and seats, ensuring a long-lasting, leak-free seal.

This Maxpeedingrods Engine Cylinder Piston Top End Kit is an excellent investment for any Yamaha Warrior 350 (YFM350X) enthusiast seeking improved performance and durability. With its high-quality components, meticulous design, and precision engineering, this kit is sure to provide reliable, long-lasting power and enjoyment for years to come.

Maxima Racing Products YVL2KU Top End Kit for Yamaha Warrior 350 (1987-2004): A Detailed Analysis

The Maxima Racing Products YVL2KU Top End Kit is a popular upgrade for the Yamaha Warrior 350 models from 1987 to 2004. This kit includes new pistons, cylinders, rings, and other top-end components. In this analysis, we will discuss the potential advantages and disadvantages of investing in this kit.

1. Improved Performance: The new top-end components in the kit are designed to provide better combustion efficiency and improved power output. This can lead to a noticeable increase in acceleration and top speed.

2. Enhanced Durability: The pistons and cylinders in the kit are made of high-quality materials, ensuring better resistance to wear and tear. This can help extend the engine's life and reduce the need for frequent repairs.

3. Smoother Engine Operation: The new components in the kit can help reduce engine knocking and pinging, resulting in a smoother and quieter engine operation.

4. Better Throttle Response: The improved combustion efficiency and reduced engine friction can lead to better throttle response, allowing for quicker acceleration and more responsive engine behavior.

1. Cost: The Maxima Racing Products YVL2KU Top End Kit is a significant investment, and the cost may not be justifiable for some riders, especially those who do not plan on pushing their Warrior 350 to its limits.

2. Installation Complexity: Installing the top end kit requires a fair amount of mechanical knowledge and experience. Improper installation can lead to engine damage and reduced performance, making it essential to follow the installation instructions carefully or seek professional help.

3. Potential Power Increase: Some riders may find the increased power output to be overwhelming, particularly if they are not experienced or prepared for it. This could potentially lead to dangerous situations, such as loss of control or accidents.

The Maxima Racing Products YVL2KU Top End Kit for the Yamaha Warrior 350 (1987-2004) offers several advantages, including improved performance, enhanced durability, smoother engine operation, and better throttle response. However, it also comes with some disadvantages, such as the cost, installation complexity, and potential power increase.

Based on the analysis, the decision to install the Maxima Racing Products YVL2KU Top End Kit ultimately depends on the rider's personal riding style, experience, and budget. If you are an experienced rider seeking maximum performance and are willing to invest in the kit and the installation process, then this kit could be an excellent choice. On the other hand, if you are a casual rider or have a limited budget, it may be worth considering other upgrades or modifications that better suit your needs.

If you are considering the Maxima Racing Products YVL2KU Top End Kit for your Yamaha Warrior 350, we recommend carefully evaluating your riding style, experience, and budget before making a decision. Additionally, ensure that you have the necessary mechanical knowledge and experience to install the kit or seek professional assistance to avoid potential issues. Finally, consider exploring alternative upgrades or modifications that may better fit your riding style and budget while still providing noticeable performance improvements.

part # yvl2ku price

• $55.79

specifications atvsienna:

• for models: Yfm350x, 350, Warrior
• for makes: Yamaha
• for years: 1987-2004
• brand: Maxpeedingrods
• california prop 65 warning: California Prop 65 Warning
• color: Silver
• compatible year: 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, 1987
• compatible year range: 1987-2009
• custom bundle: Yes
• cylinder bore size: 83 Mm X 64.50 Mm
• displacement: 348 Cc
• engine type: 4-stroke
• features: Corrosion-resistant, Durable, Sealed
• fitment 1: Fit For Yamaha Big Bear 350 4x4
• fitment 10: Fit For Yamaha Warrior 350
• fitment 11: Fit For Yamaha Wolverine 350 4x4
• fitment 12: Fit For Yamaha Wolverine 350 2x4
• fitment 2: Fit For Yamaha Big Bear 350 2x4
• fitment 3: Fit For Yamaha Bruin 350 4x4
• fitment 4: Fit For Yamaha Bruin 350 2x4
• fitment 5: Fit For Yamaha Grizzly 350 2x4
• fitment 6: Fit For Yamaha Grizzly 350 4x4
• fitment 7: Fit For Yamaha Grizzly 350 4x4 Irs
• fitment 8: Fit For Yamaha Moto-4 350
• fitment 9: Fit For Yamaha Raptor 350
• important notice: Package Included, Professional Installation Required
• internal cylinder coating: No
• manufacturer part number: YVL2KU
• manufacturer warranty: 2 Years
• material: Aluminum
• mounting style: Bolt-on
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part.
• oe/oem part number: 1uy-11310-03-00, 4kb-11351-00-00, 93450-19095-00, 4gb-11610-00-00 1yw-11631-01-y0, 55v-11633-00-00, 1uy-11181-01-00, 5yt-11310-00-00 4wu-11310-00-00
• package included: 1x Cylinder Block, 1x Piston, 5x Piston Rings, 2x Circlips, 1x Head Gasket, 1x Base Gasket, 1x Gasket Maker Threadlocker
• piston: Cast Piston
• piston height: 58.8 Mm
• piston pin diameter: 19 Mm
• piston pin height: 65 Mm
• quantity: As The Same As Picture
• stroke: 64.50 Mm
• surface finish: Brand New
• type: Cylinder Piston Top End Rebuild Kit
• unit type: Unit

payments atvsienna:

• other
• credit card: Visa
• wallet: Paypal

seller atvsienna:

• rating: 98.6%
• # reviews: 2001 6

offer atvsienna:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: March 6, 2026
• best offers: True

shipping atvsienna:

• transit: 4-8 Days
• type: Fixed
• carrier: FedEx
• class: Standard
• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery

returns atvsienna:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

general atvsienna:

• ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts
• condition: New

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