( 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 ), ( Country Of Origin: China ), ( 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: 5R1POY ), ( 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 Cylinder Piston Rings Gaskets Top End Kit Yamaha 87-95 fits YFM350ER MOTO-4 350
Introducing the Maxxis Racing 5R1POY Top End Kit, a premium replacement solution for the cylinder piston rings and gaskets of Yamaha Moto-4 350 and YFM350ER models produced between 1987 and 1995. This top-tier kit offers exceptional performance gains and durability enhancements for your engine.
The heart of this kit lies in the high-quality piston rings. These rings are meticulously crafted from superior materials, designed to provide a perfect seal between the piston and cylinder wall. The rings' cross-sectional design ensures optimal compression, fuel efficiency, and power delivery, resulting in a noticeable improvement in engine performance.
The 5R1POY Top End Kit also includes a set of new, innovative gaskets. These gaskets are designed to provide a precise seal between engine components, preventing leaks and ensuring optimal engine performance. The high-temperature resistance of these gaskets guarantees their longevity, allowing you to enjoy improved engine efficiency and reliability for an extended period.
This kit is an ideal choice for riders who demand the best from their machines. By upgrading to the Maxxis Racing 5R1POY Top End Kit, you can expect a more responsive engine, increased power, and enhanced durability. The kit is easy to install, ensuring a quick and hassle-free upgrade process.
In summary, the Maxxis Racing 5R1POY Top End Kit for Yamaha Moto-4 350 and YFM350ER models (1987-1995) is a must-have upgrade for enthusiasts looking to maximize engine performance and durability. With its high-quality piston rings and gaskets, this kit offers noticeable improvements in power, fuel efficiency, and reliability, making it a smart investment for any rider.
Maximpact Racing 5R1POY Top End Kit for Yamaha YFM350ER (87-95): A Comprehensive Analysis
The Maximpact Racing 5R1POY Top End Kit is designed for Yamaha Moto-4 350 (YFM350ER) motorbikes manufactured between 1987 and 1995. This top end kit includes piston rings, cylinder rings, and gaskets. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this product.
Advantages:1. Improved Engine Performance: The Maximpact Racing 5R1POY Top End Kit is designed to enhance your engine's performance by providing new and improved piston rings and cylinder rings. These components can help improve combustion efficiency, increase power output, and reduce engine wear.
2. OEM-Quality Components: Maximpact Racing is known for producing high-quality components. The 5R1POY Top End Kit is no exception. The piston rings and cylinder rings are made from premium materials that offer excellent durability and reliability.
3. Reduced Engine Wear: The new piston rings and cylinder rings in the kit can help reduce engine wear. This is particularly important for older engines that have accumulated significant wear over the years.
4. Cost-Effective: Replacing the piston rings, cylinder rings, and gaskets as a kit can be more cost-effective than replacing each component individually.
Disadvantages:1. Installation Complexity: Installing a top end kit can be a complex process. It may require specialized tools and considerable mechanical expertise.
2. Potential for Engine Damage: If not installed correctly, the new components in the kit could potentially cause engine damage. It is important to follow the installation instructions carefully and take your time to ensure that everything is done correctly.
3. Cost: While the kit may be cost-effective in the long run, the upfront cost can be significant.
Conclusion:The Maximpact Racing 5R1POY Top End Kit for Yamaha YFM350ER (87-95) is a high-quality product that can help improve engine performance, reduce wear, and extend the life of your engine. However, it comes with some disadvantages, including the complexity of installation and the upfront cost.
If you are comfortable with mechanical work and have the necessary tools, installing the kit yourself could save you money. Alternatively, you could consider having a professional mechanic install the kit for you. Ultimately, the decision to purchase the Maximpact Racing 5R1POY Top End Kit depends on your budget, mechanical expertise, and the condition of your engine.
Recommendation:If you have an older Yamaha YFM350ER (87-95) motorbike that has accumulated significant engine wear or if you are experiencing performance issues, the Maximpact Racing 5R1POY Top End Kit is an excellent investment. Despite the upfront cost and installation complexity, the long-term benefits of improved engine performance and reduced wear make it a worthwhile investment. However, if you are unsure about your mechanical abilities or uncomfortable with the upfront cost, it may be worth considering other options, such as regular engine maintenance or purchasing a used top end kit.
specifications atvsienna:
- for models: Yfm350er, Moto-4, 350
- for makes: Yamaha
- 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
- country of origin: China
- 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: 5R1POY
- 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
shipping atvsienna:
- carrier: FedEx
- service: FedEx Ground / FedEx Home Delivery
- class: Standard
- type: Fixed
- transit: 4-8 Days
- cost: $0.00
general atvsienna:
- condition: New
- ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts
offer atvsienna:
- options: Ship-to-home
- availability: In Stock
- quantity: 4
- best offers: True
- sold: 0
- started: May 3, 2026
payments atvsienna:
- credit card: Discover
- wallet: Apple-pay
- other
seller atvsienna:
- rating: 99.5%
- # reviews: 1319
returns atvsienna:
- policy: Returns Accepted
- paid by: Seller
- time: 30 Days
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