YAMAHA B7B-1742A-10-00 Engine Transmission Drive Axle

( Manufacturer Part Number: B7B-1742A-10-00 ), ( Part Type: Engine Transmission Drive Axle )

Review YAMAHA Oem Engine Transmission Tranny Assembly Drive Axle fits YZ250F B4500 2019

Yamaha YZ250F 2019 - B4500 Engine, Transmission, Drive Axle (Yamaha B7B-1742A-10-00)

Experience unparalleled performance and agility with the Yamaha YZ250F 2019, featuring the B4500 engine, transmission, and drive axle (Yamaha B7B-1742A-10-00). This high-performance motorcycle is meticulously engineered to deliver an unmatched riding experience, making it a top choice for enthusiasts and professionals alike.

The heart of the YZ250F 2019 is the B4500 engine. This powerful, lightweight, and compact liquid-cooled, 4-stroke, single cylinder engine boasts a potent output of 24.9 kW (34 HP) at 8,500 RPM. The engine is equipped with a forged aluminum cylinder, ceramic-composite cylinder liner, and lightweight titanium valves, ensuring superior durability, reduced weight, and optimal power delivery.

The transmission system is equally impressive, with a 5-speed transmission featuring a constant-mesh design for smooth, precise shifting. The clutch system is a Yamaha-exclusive, dual-mass flywheel system, designed to reduce engine braking for better control and a more comfortable ride.

The drive axle, part of the B7B-1742A-10-00 assembly, is a testament to Yamaha's commitment to quality and performance. Crafted from high-strength materials for exceptional durability, this drive axle ensures efficient power transfer from the transmission to the rear wheel, delivering lightning-fast acceleration and remarkable handling.

In summary, the Yamaha YZ250F 2019 with the B4500 engine, transmission, and drive axle (Yamaha B7B-1742A-10-00) offers an unrivaled blend of power, agility, and control. Whether you're competing in motocross events or simply enjoying a ride on challenging terrain, this motorcycle promises an exhilarating and unforgettable experience.

Analysis of Yamaha YZ250F Engine (Model B7B-1742A-10-00 from 2019)

1. High-Performance Engine: The Yamaha YZ250F engine is renowned for its power and responsiveness. It's a liquid-cooled, 4-stroke, single-cylinder engine that delivers a potent 24.7 HP at 8,500 RPM.

2. Advanced Transmission: The 5-speed constant-mesh transmission ensures smooth and precise shifting. The gearbox is designed to handle the power output of the engine effectively.

3. Reliable Drive Axle: The drive axle is robust and designed to withstand the rigors of off-road racing. It provides excellent traction and control.

4. B4500 Series: The B4500 series is known for its durability and reliability, making this engine a solid choice for long-term use.

1. High Cost: The Yamaha YZ250F is a high-end model, and its engine and transmission drive axle are not inexpensive. This may be a significant barrier for some buyers.

2. Complexity: The engine and transmission are sophisticated systems that require regular maintenance and a certain level of mechanical knowledge to service correctly.

3. Noise Levels: Off-road motorcycles, including the YZ250F, are designed to be loud. This may be a concern for those living in residential areas or needing a quieter machine for trail riding.

4. Fuel Consumption: As with many high-performance engines, fuel consumption can be higher than some less powerful models.

The Yamaha YZ250F engine (Model B7B-1742A-10-00 from 2019) offers impressive performance and reliability, making it a popular choice among off-road enthusiasts. However, its high cost, complexity, noise levels, and fuel consumption are factors that potential buyers should consider before making a purchase.

If you are a serious off-road racer or enthusiast willing to invest in a high-performance engine, the Yamaha YZ250F engine (Model B7B-1742A-10-00 from 2019) could be an excellent choice. However, if you are a casual rider or have budget constraints, you might want to consider less expensive or less powerful options that better suit your needs. Always ensure to research thoroughly, consult with experts, and test-ride before making a decision.

Details:

Please review all pictures to assess the condition of item.

part #: b7b1742a1000 prices

• $148.36-$450.00

specifications transmissioncycleoi:

• for models: Yz250f, B4500
• for makes: Yamaha
• for years: 2019
• mpn: B7b-1742a-10-00
• part type: Engine Transmission Drive Axle

offer transmissioncycleoi:

• options: Ship-to-home
• best offers: True
• availability: In Stock
• sold: 0
• quantity: 1
• started: May 20, 2025

returns transmissioncycleoi:

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

general transmissioncycleoi:

• condition: Used
• Motorcycle Scooter Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain Parts

payments transmissioncycleoi:

• wallet: Paypal
• other
• credit card: Visa

seller transmissioncycleoi:

• # reviews: 30272
• city: Clearwater, Florida
• rating: 99.1%

shipping transmissioncycleoi:

• cost: $12.99
• class: Standard
• transit: 3-9 Days
• service: Standard
• type: Fixed

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