YAMAHA 1UY-15100-09-00 Engine 87-04

( Part Type: Engine Case ), ( Mounting Style: Bolt-on ), ( Machine Type: Atv ), ( Color: Silver ), ( Manufacturer Part Number: 1UY-15100-09-00 ), ( Material: Aluminum ), ( Vintage Part: No ), ( California Prop 65 Warning: Www.p65warnings.ca.gov )

Review YAMAHA 87-04 Genuine Oem Engine Cases fits WARRIOR RAPTOR 350 2004–2013

The Yamaha 1UY-15100-09-00 engine, also known as the Warrior 87-04 Raptor 350 04-13 engine, is a powerful and efficient powerhouse designed for off-road vehicles. This engine is a part of Yamaha's renowned line of engines, known for their durability and high performance.

The 1UY-15100-09-00 engine is a liquid-cooled, single-cylinder, 4-stroke, SOHC, 2-valve engine. It has a displacement of 346cc and a bore x stroke measurement of 87.0mm x 83.1mm. The engine uses a Mikuni BS37 carburetor for fuel delivery and a compression ratio of 9.1:1.

The engine features a forged piston and a long-stroke crankshaft, which contribute to its robustness and durability. The engine also has a counterbalancer shaft to reduce vibration, ensuring a smooth and comfortable ride. The exhaust system is equipped with a catalytic converter to reduce exhaust emissions, making it environmentally friendly.

This engine is designed to deliver impressive power and torque, with a maximum power output of 21.9 kW (29.4 PS) at 6,000 RPM and a maximum torque output of 31.3 Nm (3.2 kg-m) at 4,000 RPM. Its high power-to-weight ratio makes it an excellent choice for off-road vehicles, enabling them to tackle challenging terrains with ease.

The 1UY-15100-09-00 engine is also known for its excellent fuel efficiency, thanks to its advanced combustion system and innovative engine design. It has a fuel injection system that ensures optimal fuel-air mixture for efficient combustion, reducing fuel consumption and increasing fuel economy.

The engine is compact and lightweight, weighing only 59.7 kg (131.5 lbs), making it easy to install and transport. Its rugged design and high power output make it an ideal choice for off-road vehicles, enabling them to tackle the most challenging terrains with ease and confidence.

In conclusion, the Yamaha 1UY-15100-09-00 engine is a powerful, efficient, and durable powerhouse designed for off-road vehicles. Its impressive power output, fuel efficiency, and rugged design make it an excellent choice for those who demand high performance and reliability from their off-road vehicles.

The Yamaha Warrior 87-04 Raptor 350 (model years 2004-2013) is a mid-size ATV (All-Terrain Vehicle) known for its durability and versatility. Here are some pros and cons to consider before purchasing this engine.

1. Reliability: The Yamaha Warrior engine is known for its durability and reliability, making it a popular choice among off-road enthusiasts.

2. Power: With a 325cc, liquid-cooled, single-cylinder engine, the Warrior provides adequate power for various off-road applications.

3. Versatility: This engine can be found in several Yamaha ATV models, allowing for a wide range of aftermarket parts and accessories.

4. Fuel Efficiency: Compared to some competitors, the Warrior engine offers decent fuel efficiency, which can save you money in the long run.

5. Easy Maintenance: The engine is relatively easy to work on, which can save you time and money when it comes to maintenance and repairs.

1. Age: The Warrior engine is older, meaning that some parts may be harder to find or more expensive.

2. Power Delivery: While the engine provides adequate power, it may not be as responsive as some more modern engines, which can be a drawback for some riders.

3. Emissions: Older engines like the Warrior may not meet current emissions standards, which could limit your ability to register the vehicle in certain areas.

4. Noise Level: The engine can be relatively loud, which could be a concern for those who prefer a quieter riding experience.

In conclusion, the Yamaha Warrior 87-04 Raptor 350 engine offers reliability, power, versatility, fuel efficiency, and ease of maintenance. However, it is an older engine, which means that some parts may be harder to find, it may not be as responsive as more modern engines, and it may not meet current emissions standards. Ultimately, the decision to purchase this engine depends on your specific needs, budget, and off-road riding preferences.

If you are looking for a reliable, powerful, and versatile engine for off-road use and are not concerned about the age or emissions, then the Yamaha Warrior 87-04 Raptor 350 engine may be a good choice for you. However, if you prioritize a quieter riding experience, the latest technology, or the ability to meet current emissions standards, then you may want to consider a more modern engine from a different manufacturer.

part # 1uy151000900 prices

• $135.99-$250.00

specifications atvsienna:

• for models: 350, Warrior, Raptor
• for makes: Yamaha
• for years: 2004-2013
• part type: Engine Case
• mounting style: Bolt-on
• machine type: Atv
• color: Silver
• manufacturer part number: 1UY-15100-09-00
• material: Aluminum
• vintage part: No
• california prop 65 warning: Www.p65warnings.ca.gov

returns atvsienna:

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

shipping atvsienna:

• service: USPS Ground Advantage
• class: Standard
• cost: $0.00
• carrier: USPS
• type: Calculated
• transit: 3-9 Days

seller atvsienna:

• # reviews: 16
• rating: 100.0%

general atvsienna:

• ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts
• condition: Used

offer atvsienna:

• started: November 5, 2025
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• sold: 0

payments atvsienna:

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

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