YAMAHA Y2-IC300 Cylinder

( Manufacturer Part Number: Y2-IC300 ), ( Engine Type: 2-stroke ), ( Type: Cylinder Head ), ( Machine Type: Off-road Motorcycle ), ( Oe/oem Part Number: 124 Cm3 ), ( Material: Aluminum ), ( Performance Part: No )

Review YAMAHA Used Cylinder fits YZ125

The Yamaha Y2F-IC300 YZ125 cylinder is a high-performance, factory-race-derived component designed to deliver unmatched power and reliability for off-road motorcycle enthusiasts. This cylinder is specifically engineered for use in the YZ125 two-stroke motorcycle, but it can also be a great option for those seeking a high-performance upgrade for their off-road bike.

The Y2F-IC300 cylinder features a factory-race-proven design with a composite plate liner that provides excellent heat dissipation and durability. The cylinder is also equipped with a ceramic composite piston that offers superior strength and reduced weight. This piston is coated with a Composite Coated Cylinder (CCC) liner, which reduces friction and improves overall engine efficiency.

The cylinder also includes a factory-race-inspired port design that optimizes the intake and exhaust flow for maximum power output. The exhaust port is specifically designed to minimize exhaust backpressure, allowing the engine to breathe more efficiently and produce more power.

Additionally, the Y2F-IC300 cylinder comes with a high-performance reed valve and a high-flow intake system that delivers a steady supply of air to the engine. This intake system includes an air boot with a large-diameter intake opening, which helps to maximize airflow and improve engine performance.

The cylinder is also designed to be easy to install, with a simple bolt-on design that does not require any modifications to the motorcycle's engine case. It also comes with a gasket set and a set of high-performance spark plugs to ensure a hassle-free installation process.

Overall, the Yamaha Y2F-IC300 YZ125 cylinder is a top-of-the-line component that offers significant power gains and improved reliability for off-road motorcycle enthusiasts. Whether you're a weekend warrior or a professional racer, this cylinder is sure to help you take your riding experience to the next level.

Buying a Yamaha Y2-IC300 or YZ125 cylinder for your dirt bike can be an exciting decision, as it can significantly improve the performance of your machine. Here are some pros and cons to consider before making your purchase:

1. Improved Power: Replacing the stock cylinder with a high-performance aftermarket one can result in increased horsepower and torque, leading to better acceleration and overall performance.

2. Enhanced Durability: Aftermarket cylinders are often made of higher-quality materials and are designed to withstand the rigors of off-road riding. This can result in longer engine life and reduced maintenance costs.

3. Customizability: Aftermarket cylinders offer various options to tailor the power delivery and character of your bike to your specific riding style and preferences.

4. Better Compatibility: Aftermarket cylinders are often designed to work with various engine configurations, allowing for greater flexibility when upgrading or modifying your bike.

1. Cost: Aftermarket cylinders can be more expensive than stock ones, especially those with high-performance features or advanced materials.

2. Installation Complexity: Installing an aftermarket cylinder may require advanced technical skills and specialized tools, potentially leading to additional costs for professional labor or parts.

3. Risk of Engine Damage: Improper installation or incorrect use of aftermarket cylinders can result in engine damage, potentially costing more in repairs than the cost of the cylinder itself.

4. Potential for Increased Noise and Emissions: High-performance aftermarket cylinders may produce more noise and emissions than stock cylinders, which could be a concern for some riders or in certain riding environments.

Considering the pros and cons, buying a Yamaha Y2-IC300 or YZ125 aftermarket cylinder can offer significant performance improvements and increased durability. However, it also comes with the potential for increased cost, installation complexity, and potential risks. It is crucial to ensure proper installation, use high-quality aftermarket parts, and understand the potential consequences of increased power and noise.

If you are serious about improving the performance of your Yamaha dirt bike and have the necessary technical skills and resources, investing in a high-quality aftermarket cylinder can be a worthwhile investment. However, if you are new to motorcycle maintenance or unsure about the risks and complexities involved, it may be best to consider other performance upgrades or seek professional advice before making a decision.

Details:

Came off a 2012 YZ125 May fit over Years Used Cylinder, Will need to be Re-Nickel Sealed or use for big bore kit.

part #: y2ic300 price

• $75.00

specifications cylindermotorcycleiz:

• for models: Yz125
• for makes: Yamaha
• mpn: Y2-ic300
• engine type: 2-stroke
• type: Cylinder Head
• machine type: Off-road Motorcycle
• oe/oem part number: 124 Cm3
• material: Aluminum
• performance part: No

seller cylindermotorcycleiz:

• # reviews: 679
• city: Prairieville, Louisiana
• rating: 100.0%

shipping cylindermotorcycleiz:

• cost: $82.37
• service: USPS Ground Advantage
• carrier: USPS
• transit: 6-9 Days
• type: Calculated
• class: Standard

general cylindermotorcycleiz:

• condition: For parts or not working
• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads

payments cylindermotorcycleiz:

• other
• credit card: Discover
• wallet: Apple-pay

returns cylindermotorcycleiz:

• policy: No Returns

offer cylindermotorcycleiz:

• options: Ship-to-home
• quantity: 1
• best offers: True
• sold: 0
• started: May 28, 2026
• availability: In Stock

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