YAMAHA 99999-01469-00 Cylinder Head Cams Valve Train

( Type: Cylinder Head ), ( UPC: 999990146900 )

Review YAMAHA Cylinder Head Cams And Valve Train fits XT250 1984

The Yamaha 99999-01469-00 1984 XT250 cylinder head is a crucial component of the engine's combustion chamber, responsible for managing the intake and exhaust of gases during the four-stroke engine cycle. This specific cylinder head was designed for use in the 1984 Yamaha XT250, a popular enduro motorcycle known for its durability and off-road capabilities.

The cylinder head features two overhead camshafts, which are driven by a timing belt and operate the four valves per cylinder through a mechanical valve train system. Each camshaft is precision machined to ensure accurate valve timing and optimal engine performance.

The intake and exhaust valves are made of durable steel, with a diameter of approximately 32mm and 25mm respectively. The valve stems are hollow, reducing the weight of the valvetrain and contributing to improved engine response and efficiency. The valves are actuated by rocker arms, which are in turn actuated by the camshafts via cam followers.

The cylinder head also includes a number of other important features, such as a cooling jacket around the combustion chamber to help regulate engine temperature, and a spark plug hole with an electrode length of 24mm for easy access and replacement. The cylinder head gasket is made of a high-quality material to ensure a tight seal between the cylinder head and the engine block.

Overall, the Yamaha 99999-01469-00 1984 XT250 cylinder head is a high-performance component designed to deliver reliable and efficient power to the motorcycle's drivetrain. Its precise engineering and durable construction make it an excellent choice for riders seeking optimal engine performance in demanding off-road conditions.

Pros and Cons of Buying Yamaha 99999-01469-00 1984 XT250 Cylinder Head Camshafts and Valve Train

The Yamaha 99999-01469-00 1984 XT250 cylinder head camshafts and valve train are essential components of the engine that can significantly affect its performance. These parts are crucial for the proper functioning of the engine, ensuring efficient combustion and optimal power output. In this article, we will discuss the pros and cons of buying these parts.

1. Improved Engine Performance: New camshafts and valve train can provide better engine performance by allowing more efficient air and fuel mixture into the engine and ensuring proper exhaust gases exit the engine. This results in increased horsepower and torque.

2. Better Fuel Economy: By improving the engine's performance, the new camshafts and valve train can also help in achieving better fuel economy. A more efficient engine requires less fuel to produce the same amount of power.

3. Longer Engine Life: Worn-out camshafts and valve train can cause damage to other engine components, leading to costly repairs. Replacing these parts can prevent further damage and extend the engine's life.

4. Smoother Engine Operation: New camshafts and valve train can result in smoother engine operation, reducing vibrations and engine noise.

1. Cost: Replacing the cylinder head camshafts and valve train can be an expensive investment, especially for older bikes like the 1984 Yamaha XT250. The cost of the parts and labor can add up quickly.

2. Complex Installation: Installing new camshads and valve train can be a complex process that requires expertise and specialized tools. Improper installation can lead to damage to the engine or other components.

3. Potential for OEM vs Aftermarket: Choosing between OEM (original equipment manufacturer) and aftermarket parts can be a challenge. While OEM parts may be more expensive, they are designed to fit and function optimally with the original engine. Aftermarket parts may be cheaper but could have compatibility issues or quality concerns.

In conclusion, buying Yamaha 99999-01469-00 1984 XT250 cylinder head camshafts and valve train can offer significant performance enhancements, better fuel economy, and longer engine life. However, the high cost, complex installation process, and potential compatibility issues with aftermarket parts are important considerations. Ultimately, the decision to buy these parts depends on the rider's budget, expertise, and desired level of performance improvement.

If you are a casual rider and are satisfied with the stock performance of your 1984 Yamaha XT250, it may not be necessary to invest in new camshafts and valve train. However, if you are an enthusiast looking for increased power and efficiency, this upgrade could be worth the investment. It is recommended to work with a professional mechanic to ensure proper installation and to choose high-quality OEM or aftermarket parts that are compatible with your engine.

Details:

The paint is scratched. The paint is chipped. Domestic Shipping. FAIRLY GOOD: This is a used part that in good working order but has larger amount of cosmetic damage.

Both intake and exhaust cams, Cam cover, sprockets, valves hardware. It may have some surface scratches, but no mechanical problems. It does not have any cracks or leaks. It includes everything pictured.

It is straight. This item is in GOOD condition. We most often are able to combine shipping if multiple items purchased. It has some scratches and wear marks.

Or it is a part with small mechanical problem but still usable. It all depends on the size and weight of items. EXCELLENT: This is a new part that still in the package and perfect condition. It is still a usable part.

Ratings for Item Condition.

part #: 999990146900 prices

• $120.00-$299.00

specifications cylindermotorcycleiz:

• for models: Xt250
• for makes: Yamaha
• for years: 1984
• type: Cylinder Head
• upc: 999990146900

offer cylindermotorcycleiz:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: March 13, 2025
• quantity: 1

returns cylindermotorcycleiz:

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

shipping cylindermotorcycleiz:

• carrier: USPS, UPS
• service: USPS Ground Advantage, UPS Ground, USPS Priority Mail
• type: Calculated
• class: Standard, Expedited
• transit: 2-6 Days
• cost: $10.74

general cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

• city: Hayden, Idaho
• rating: 99.1%
• # reviews: 34763

payments cylindermotorcycleiz:

• wallet: Google-pay
• other
• credit card: Diners-club

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