YAMAHA 3XJ-11311-00-00 Cylinder

( Manufacturer Part Number: 3XJ-11311-00-00 ), ( Engine Type: 2-stroke ), ( Type: Cylinder Head ), ( Machine Type: Off-road Motorcycle ), ( Material: Aluminum ), ( Country/region Of Manufacture: Japan ), ( Vintage Part: Yes ), ( Performance Part: No )

Review YAMAHA Cylinder Used May Fit Other Years Motorcycle fits YZ125 1991

The Yamaha YZ125 cylinder, model number 3XJ-11311-00-00, is a high-performance component designed for use in the 1991 Yamaha YZ125 motorcycle. This cylinder is a key part of the bike's engine system, responsible for compressing the air-fuel mixture and igniting it to produce power.

This cylinder features a lightweight, high-strength aluminum construction that helps to reduce the overall weight of the motorcycle and improve its power-to-weight ratio. The cylinder bore measures 54.0mm, allowing for efficient combustion of the fuel-air mixture for maximum power output. The cylinder also includes an integral water jacket, which helps to keep the engine cool during long rides or high-performance use.

The cylinder head is designed with a high-compression piston, which helps to increase the power output of the engine. The piston has a compression ratio of 13.8:1, allowing for efficient combustion and maximum energy transfer from the fuel mixture to the crankshaft. The cylinder head also includes large, 36mm intake and 30mm exhaust valves, which help to ensure optimal gas flow in and out of the cylinder for maximum power and efficiency.

The cylinder includes a number of other features designed to improve performance and durability. The cylinder liner is made from chrome-silicon alloy, which helps to reduce friction and wear on the cylinder walls. The cylinder also includes a reed valve intake system, which helps to improve air flow and fuel-air mixture for more consistent power delivery.

The Yamaha YZ125 cylinder is designed to meet the demands of high-performance off-road riding, and is built to last. Its durable construction, efficient combustion, and high-performance features make it an ideal choice for riders looking to get the most out of their Yamaha YZ125 motorcycle. Whether you're racing on the track or tearing up the trails, this cylinder is sure to help you achieve your riding goals.

Buying a Used Yamaha YZ125 (1991, 3XJ-11311-00-00 Cylinder) - Pros, Cons, and Conclusion

The Yamaha YZ125 is a popular choice among motocross enthusiasts due to its powerful engine and agile handling. In this article, we will discuss the pros and cons of buying a used Yamaha YZ125 with the specifications of the 1991 model, cylinder number 3XJ-11311-00-00.

1. Power: The YZ125 is known for its powerful single-cylinder engine, which delivers impressive torque and horsepower.

2. Handling: The bike's lightweight design and balanced chassis make it incredibly agile, allowing riders to maneuver easily through the track.

3. Durability: Yamaha motorcycles are known for their durability, and the YZ125 is no exception. Many parts are interchangeable with the newer models, making maintenance and repairs more accessible and affordable.

4. Value: Compared to newer models, buying a used YZ125 can be a cost-effective option for those looking to get into motocross without breaking the bank.

1. Age: As with any used motorcycle, the 1991 Yamaha YZ125 may have some wear and tear, which could lead to potential maintenance issues.

2. Performance Upgrades: To keep up with modern motocross bikes, some riders may want to invest in aftermarket performance upgrades, which can add additional costs.

3. Electrical System: Older motorcycles, including the YZ125, can have issues with their electrical systems, which might require professional repairs.

The 1991 Yamaha YZ125 (3XJ-11311-00-00 cylinder) is an excellent choice for those looking for an affordable, powerful, and agile motocross bike. While there are some potential drawbacks, such as the age and potential maintenance issues, the benefits, like the bike's impressive power and handling, often outweigh the cons. If you are willing to invest time and resources into proper maintenance and potential upgrades, the used Yamaha YZ125 could be an excellent addition to your motocross collection.

If you are considering buying a used Yamaha YZ125, it's crucial to conduct a thorough inspection before making a purchase. Check the bike's condition, look for any signs of damage, and ensure all necessary maintenance has been completed. Additionally, consider pricing and availability of parts and repairs to ensure you have a clear understanding of the bike's long-term costs. Ultimately, with proper research and care, the Yamaha YZ125 can be a rewarding and enjoyable addition to your motocross experience.

Details:

91 YZ125 cylinder, needs work, sold as is cylinder work.

part #: 3xj113110000 prices

• $147.29-$749.95

specifications cylindermotorcycleiz:

• for models: Yz125
• for makes: Yamaha
• for years: 1991
• mpn: 3xj-11311-00-00
• engine type: 2-stroke
• type: Cylinder Head
• machine type: Off-road Motorcycle
• material: Aluminum
• country/region of manufacture: Japan
• vintage part: Yes
• performance part: No

shipping cylindermotorcycleiz:

• service: UPS Ground
• class: Standard
• type: Fixed
• cost: $25.00
• transit: 4-9 Days
• carrier: UPS

seller cylindermotorcycleiz:

• rating: 100.0%
• # reviews: 27
• city: Indianapolis, Indiana

returns cylindermotorcycleiz:

• policy: No Returns

payments cylindermotorcycleiz:

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

general cylindermotorcycleiz:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: Used

offer cylindermotorcycleiz:

• best offers: True
• availability: In Stock
• options: Ship-to-home
• started: August 7, 2025
• quantity: 1
• sold: 0

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