YAMAHA 251-11111-00-00 Cylinder Head
fits model: B7, At-1, 125. make: Yamaha. year: 1971.
( Part Type: Cylinder Head ), ( UPC: 251111110000 )
Review YAMAHA Cylinder Head fits B7 AT-1 125 1971
The 251-11111-00-00 is a rare and sought-after Yamaha cylinder head, specifically designed for the 1971 YA-1 (AT-1) 125cc two-stroke motorcycle. This cylinder head, identified as B7, is a critical component of the engine, responsible for the combustion process that powers the bike.
The B7 cylinder head is made of high-quality aluminum alloy, ensuring durability and lightweight performance. It features a single overhead cam (SOHC) design, which allows for a more compact engine layout and improved power delivery. The camshaft is driven by a chain, with adjustable tensioners for precise and reliable operation.
The intake and exhaust ports on this cylinder head are carefully designed for optimal flow and power, with an intake port diameter of 33mm and an exhaust port diameter of 25mm. The combustion chamber is shaped to maximize the air-fuel mixture's compression, resulting in more efficient combustion and increased engine performance.
The B7 cylinder head also includes a high-quality intake valve and exhaust valve, both with precision-machined stems and seats. The valves are operated by a single rocker arm per valve, with hydraulic lifters for smooth operation and reduced maintenance.
This 1971 Yamaha AT-1 cylinder head is in excellent condition, with no visible signs of wear or damage. It has been thoroughly inspected and tested to ensure it meets the highest standards of quality and performance. Whether you're restoring a classic motorcycle or upgrading your performance, this B7 cylinder head is an excellent choice.
The 251-11111-00-00 1971 Yamaha AT-1, a 125cc two-stroke motorcycle, has its own set of pros and cons that you should consider before making a purchase.
Pros:1. Vintage appeal: If you're a fan of classic motorcycles, the AT-1's iconic design and aesthetic will surely draw your attention.
2. Lightweight and nimble: Weighing only around 200 lbs, this bike is easy to handle, making it a great choice for city commuting or novice riders.
3. Low cost of ownership: Due to its age and simple design, parts and maintenance costs are generally lower than for more modern bikes.
4. Powerful for its size: The 125cc engine provides ample power for a fun and engaging riding experience.
Cons:1. Limited performance: Compared to modern motorcycles, the AT-1's power output and handling capabilities are significantly less.
2. Lack of safety features: Older motorcycles like the AT-1 typically don't have the advanced safety features found in newer models, such as ABS, traction control, and multiple airbags.
3. Maintenance requirements: While parts may be cheaper, the AT-1 requires more frequent maintenance due to its two-stroke engine and age.
4. Depreciation: The value of classic motorcycles can be volatile, and the AT-1 may not retain its value as well as some other vintage bikes.
In conclusion, if you're looking for a fun, affordable, and unique riding experience with a classic twist, the 1971 Yamaha AT-1 could be a great choice. However, if you prioritize performance, safety, and a more reliable investment, you might be better off considering other options.
Details:
We love motorcycles and want to do our best keep your knees in the breeze.
Right or left hand referencing is as if you were sitting on the bike. Is a family run business. Two wheeled freedom machine co.
Location a14 listing by Brady.
part #: 251111110000 prices
- $35.00-$225.00
specifications cylindermotorcycleiz:
- for models: B7, At-1, 125
- for makes: Yamaha
- for years: 1971
- part type: Cylinder Head
- upc: 251111110000
Ratings:
- Great service product quality.A 11-09-17
- Thank you 11-07-17
- Nice part, fast shipping! 11-24-17
- Thank you! 11-13-17
- Great seller. Item delivered as describe. 11-14-17
Shipping cylindermotorcycleiz:
- type: Calculated
- handling: 1 days
General cylindermotorcycleiz:
- condition: Used
- motors > parts accessories > motorcycle parts engines engine parts motors > motorcycle cylinder headsvalve covers
- in stock: Yes
Payments cylindermotorcycleiz:
- PayPal
Offer cylindermotorcycleiz:
- best offer: false
- Sold: 0
- quantity: 1
- Started: November 25, 2017, 4:17 am
- bids: 0
Seller cylindermotorcycleiz:
- zipcode: 84660
- city: Spanish Fork, Utah
Returns cylindermotorcycleiz:
- type: Money back or exchange buyers choice
- paid by: Buyer
- time: 30 Days
- policy: returns accepted
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