( 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: LNO3BA ), ( 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 Top End Rebuild Set Yamaha Big fits BEAR YFM350 350 4X4 1987–1999
Introducing the Maxima Racing Products LNO3BA Cylinder Piston Top End Rebuild Kit, specifically engineered for the Yamaha Big Bear 350 YFM350 4x4 models manufactured between 1987 and 1999. This comprehensive rebuild kit includes all the essential components required to restore the cylinder, piston, and top end of your engine to its optimal performance.
The LNO3BA kit comes with a high-performance, forged, aluminum piston that boasts a low friction skirt and a lightweight design to ensure maximum power and durability. The piston is equipped with a compatible ring set, including a compression ring, oil control ring, and a top ring, ensuring a proper seal to minimize blow-by and enhance combustion efficiency.
Moreover, this kit includes a high-quality, chrome-molybdenum steel cylinder liner that has been precisely machined to ensure a perfect fit and optimal engine performance. The cylinder liner is designed to provide superior heat dissipation and reduced wear, making it an excellent choice for high-performance applications.
Additionally, the LNO3BA kit includes a set of high-performance, machined aluminum piston tops. These piston tops feature a unique design that provides improved sealing and better ring retention, ensuring a proper seal and optimal engine performance.
Furthermore, the kit includes a set of matching, high-performance cylinder heads, which have been carefully designed to provide superior flow characteristics, improved combustion efficiency, and enhanced power output. The cylinder heads come with fully adjustable valves and high-performance valve springs that allow for fine-tuning of the engine's performance.
The LNO3BA kit also includes a set of high-quality, O-ring seals and gaskets, ensuring a proper seal between all components and minimizing the risk of leaks. The gaskets are precision-machined to ensure a perfect fit and a leak-free installation.
Lastly, the LNO3BA kit includes an array of hardware, including bolts, studs, and other necessary components, ensuring a complete and efficient rebuild experience. The hardware is made from high-strength materials, ensuring durability and reliability.
In summary, the Maxima Racing Products LNO3BA Cylinder Piston Top End Rebuild Kit is an essential investment for any Yamaha Big Bear 350 YFM350 4x4 owner seeking to restore their engine to its optimal performance. This comprehensive kit includes all the necessary components required for a complete top end rebuild, ensuring a powerful, efficient, and reliable engine that is ready to tackle any terrain.
The Maxxispeedingrods LNO3BA cylinder piston top end rebuild kit is a popular aftermarket solution for the Yamaha Big Bear 350 YFM350 4x4 models produced between 1987 and 1999. Here are some potential pros and cons that might help you make an informed decision about purchasing this kit.
Pros:1. Improved Performance: The LNO3BA kit includes high-performance pistons, cylinders, and rings that can provide increased power and torque, enhancing the overall riding experience.
2. Durability: The kit is designed using high-quality materials, ensuring longer engine life and better resistance to wear and tear.
3. OEM-compatible: The LNO3BA kit is designed to fit and function like the original equipment, ensuring a seamless installation process.
4. Cost-effective: In the long run, a top-end rebuild kit can save you money by preventing the need for costly engine replacements.
5. Enhanced Appearance: The kit comes with polished cylinders and pistons, giving your engine a fresh, improved look.
Cons:1. Installation Complexity: Rebuilding the top end of an engine is a complex process that requires specialized tools, knowledge, and time.
2. Cost: The kit itself may be more expensive than a standard oil change or even some minor repairs. However, the long-term savings can outweigh the initial investment.
3. Potential for Damage: During the rebuild process, there is a risk of damaging other engine components, which could lead to additional costs.
4. Time Consuming: The rebuild process can take several hours to complete, especially for those without experience.
Conclusion:The Maxxispeedingrods LNO3BA cylinder piston top end rebuild kit for the Yamaha Big Bear 350 YFM350 4x4 is an investment in your vehicle's performance and longevity. While the installation process can be complex and time-consuming, the potential benefits, such as improved power and durability, make it a worthwhile consideration for off-road enthusiasts. Ultimately, the decision to purchase this kit depends on your budget, technical expertise, and riding goals. If you're looking for a cost-effective way to enhance your Yamaha's performance and extend its life, the LNO3BA kit could be an excellent choice. However, if you're not comfortable with the installation process or don't have the time or resources, it might be best to consider other options.
part # lno3ba price
- $62.59
specifications atvsienna:
- for models: Yfm350, 350, 4x4, Bear
- for makes: Yamaha
- for years: 1987-1999
- 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: LNO3BA
- 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
- wallet: Apple-pay
- credit card: Discover
seller atvsienna:
- rating: 99.6%
- # reviews: 44351
returns atvsienna:
- policy: Returns Accepted
- paid by: Seller
- time: 30 Days
general atvsienna:
- condition: New
- ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts
shipping atvsienna:
- carrier: FedEx
- class: Standard
- cost: $0.00
- transit: 2-4 Days
- service: FedEx Ground / FedEx Home Delivery
- type: Fixed
offer atvsienna:
- options: Ship-to-home
- started: May 4, 2026
- quantity: 2
- best offers: True
- sold: 0
- availability: In Stock
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1 offer $62.59 USD
- Offer #1: $62.59 price + free delivery = $62.59* total. for Yamaha Grizzly 350 4x4 (YFM350FG) 2007-2014. For Yamaha Big Bear 350 4x4 (YFM350FW) 1987-1999.FREE SHIPPING