YAMAHA 3J1-11111-00-00 Cylinder Head

( Manufacturer Part Number: 3J1-11111-00-00 ), ( Type: Cylinder Head )

Review YAMAHA Cylinder Head fits DT175 1981

Yamaha DT175 Cylinder Head (3J1-11111-00-00, 1981)

The Yamaha DT175 Cylinder Head (3J1-11111-00-00, 1981) is a crucial component of the DT175 engine, renowned for its durability and high-performance capabilities. This cylinder head was manufactured in 1981 for the DT175 model motorcycles.

This cylinder head is designed with a single overhead camshaft (SOHC) configuration, which allows for efficient intake and exhaust valve operation. The intake valves have a diameter of approximately 32.5mm, while the exhaust valves measure around 25.5mm in diameter. The valves are actuated by a camshaft located beneath the head, which is driven through a timing belt.

The combustion chamber design in this cylinder head is optimized for the DT175's air-cooled, two-stroke engine. The chamber is dish-shaped to improve combustion efficiency and power output. The cylinder head also features a precisely machined cylinder bore, measuring 67mm in diameter, ensuring optimal engine performance.

The cylinder head is made of aluminum alloy, which provides excellent heat dissipation properties. This is essential for the DT175's air-cooled engine as it helps maintain a consistent operating temperature. The aluminum construction also reduces the overall weight of the engine, contributing to improved handling and agility.

The cylinder head also includes several accessory ports for connecting various engine components. One of these ports is the carburetor mounting boss, which securely holds the carburetor in place. Another port is the water pump housing, which facilitates the cooling system's operation.

In summary, the Yamaha DT175 Cylinder Head (3J1-11111-00-00, 1981) is a high-performance, durable component designed for the DT175 engine. Its SOHC design, optimized combustion chamber, and aluminum alloy construction contribute to efficient power output and excellent heat dissipation. Accessory ports facilitate the connection of various engine components for optimal functionality.

Buying a used Yamaha DT175 cylinder head, such as the Yamaha 3J1-11111-00-00 from 1981, can be a cost-effective solution for restoring an old motorcycle or for use as a spare part. However, it also comes with certain advantages and disadvantages.

1. Cost-effective: Buying a used cylinder head can save significant money compared to buying a new one.

2. Availability: Older motorcycle parts, like this Yamaha DT175 cylinder head, can be difficult to find new but are often available used.

3. Authenticity: A used cylinder head maintains the originality of the motorcycle.

1. Condition: A used cylinder head may have wear or damage that requires additional repair or replacement of other parts.

2. Compatibility: Ensure the used cylinder head is compatible with other parts of the motorcycle.

3. Performance: A used cylinder head may not perform as well as a new one, resulting in decreased engine power or efficiency.

Buying a used Yamaha DT175 cylinder head can save money and maintain the authenticity of an older motorcycle. However, it may come with potential issues like wear, damage, or compatibility problems. Thoroughly inspect the cylinder head before purchasing, and consider the cost of any necessary repairs or upgrades.

If you are confident in your mechanical abilities and have a clear understanding of the condition of the used Yamaha DT175 cylinder head, it could be a worthwhile investment. However, if you are unsure about the condition or compatibility, it may be better to consider purchasing a new cylinder head or seeking professional advice.

Details:

It is straight. It may have some surface scratches, but no mechanical problems. It has some scratches and wear marks. This item is in GOOD condition.

It is still a usable part. Ratings for Item Condition. We most often are able to combine shipping if multiple items purchased. It all depends on the size and weight of items.

It includes everything pictured. The inside of the head has been polished. It does not have any cracks. Domestic Shipping.

FAIRLY GOOD: This is a used part that in good working order but has larger amount of cosmetic damage. Or it is a part with small mechanical problem but still usable. EXCELLENT: This is a new part that still in the package and perfect condition.

part #: 3j1111110000 price

• $79.00

specifications cylindermotorcycleiz:

• for models: Dt175
• for makes: Yamaha
• for years: 1981
• mpn: 3j1-11111-00-00
• type: Cylinder Head

general cylindermotorcycleiz:

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

returns cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

• started: July 14, 2025
• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home

payments cylindermotorcycleiz:

• credit card: Visa
• other
• wallet: Paypal

shipping cylindermotorcycleiz:

• transit: 3-7 Days
• type: Calculated
• cost: $10.30
• service: USPS Ground Advantage, UPS Ground, USPS Priority Mail
• class: Standard, Expedited
• carrier: USPS, UPS

seller cylindermotorcycleiz:

• rating: 99.1%
• # reviews: 35354
• city: Hayden, Idaho

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