YAMAHA 818-11111-00-00 Gp Sr Cylinder Head Mag

( Part Type: Cylinder Head ), ( Emc Stock : Jsc3912 F46 ), ( UPC: 818111110000 )

Review YAMAHA Gp Sr Cylinder Head Mag Side Oem fits SS 433 1971–1973

Yamaha GP SR433 Cylinder Head with Magneto (1971-1973)

The Yamaha GP SR433 is an iconic motorcycle from the golden era of two-wheel racing history. Known for its lightweight construction, powerful engines, and racing-inspired design, the SR433 was a popular choice among riders seeking high-performance motorcycles during the late 1960s and early 1970s. In this product description, we will focus on the 818-11111-00-00 Yamaha GP SR433 Cylinder Head, which is designed for use with a magneto ignition system, specifically those produced between the years 1971 and 1973.

The cylinder head for the Yamaha GP SR433 is a well-crafted component engineered for optimal power and reliability. It features an aluminum alloy construction, ensuring lightweight yet robust performance for the high-revving engines common in motorcycle racing applications. The cylinder head is designed to provide efficient combustion by facilitating a smooth airflow into the combustion chambers.

The unique feature of this cylinder head is its compatibility with magneto ignition systems, which is particularly important for the 1971-1973 Yamaha GP SR433 models. A magneto ignition system generates a spark from a moving magnet instead of using a distributor and points, providing a more reliable and consistent ignition. The cylinder head is engineered to work seamlessly with this ignition system, ensuring reliable spark at all engine speeds and conditions.

1. Efficient combustion: The design of the cylinder head promotes efficient airflow into the combustion chambers, which leads to better fuel-air mixture and more complete combustion, translating to increased power and improved engine performance.

2. Improved reliability: The cylinder head is designed to work specifically with magneto ignition systems, which are more reliable compared to distributor-based systems commonly used during this era. The result is a motorcycle that can withstand the rigors of racing applications and the elements, ensuring consistent and reliable performance.

3. Enhanced power output: The cylinder head is tailored to optimize power output for the high-performance engines used in the GP SR433. This means riders can expect increased horsepower and torque output, leading to faster acceleration, improved top speeds, and better overall performance.

The 818-11111-00-00 Yamaha GP SR433 Cylinder Head with Magneto is a crucial component for motorcycle enthusiasts, vintage racers, or those restoring their 1971-1973 Yamaha GP SR433 models. It represents a significant improvement in terms of power, reliability, and performance, making it an essential investment for those looking to unlock the full potential of their vintage motorcycle. With its unique combination of lightweight aluminum alloy construction, compatibility with magneto ignition systems, and optimized design for high-performance engines, this cylinder head is an excellent addition to any Yamaha SR433 restoration project.

Pros and Cons of Buying a 1971-1973 Yamaha GP SR433 Cylinder Head with Mag

a. Authenticity and Rarity: The Yamaha GP SR433 is a classic water-cooled, two-stroke outboard motor known for its high performance and distinctive design. This cylinder head with a magneto ignition system is an original part for this engine model, adding value for collectors and enthusiasts who appreciate vintage marine engines.

b. Potential Performance Enhancement: The cylinder head with a magneto ignition system may offer improved performance compared to the factory-installed points ignition system. Magneto ignition systems often deliver a stronger spark for efficient combustion and better power output, making this upgrade potentially attractive to those seeking enhanced performance.

c. Functional Spare Part: If you're an active user of a 1971-1973 Yamaha GP SR433 engine, having a spare cylinder head with a magneto ignition system can be an excellent insurance policy. In case of engine issues, you will be prepared with a replacement, ensuring your watercraft is back in action sooner.

d. Restoration or Rebuild Project: If you're restoring or rebuilding a 1971-1973 Yamaha GP SR433 engine, original parts such as the cylinder head with a magneto ignition system help maintain or even improve its authenticity and value.

a. Higher Cost: Magneto ignition systems are more complex than points ignition systems, which often results in a higher price tag. Therefore, the 1971-1973 Yamaha GP SR433 cylinder head with a mag may be more expensive than the standard replacement parts.

b. Requires Skilled Labor: Magneto ignition systems require specialized knowledge for installation and maintenance. Having this expertise in-house or seeking it from a service professional adds to the overall cost and complexity of the upgrade.

c. Less Common Availability: Finding an original Yamaha GP SR433 cylinder head with a magneto ignition system may be more challenging as compared to a standard points ignition system. This limited availability could result in longer lead times for sourcing or higher prices from vendors.

d. Higher Maintenance: Magneto ignition systems generally require more maintenance compared to points systems. This increased frequency may lead to additional time and cost investment down the line.

Investing in a 1971-1973 Yamaha GP SR433 cylinder head with a magneto ignition system comes with unique benefits, including performance enhancement, rarity, authenticity, and potential insurance value. However, it also presents challenges, like the higher cost, skilled labor requirements, less common availability, and ongoing maintenance needs.

Before making a decision to purchase the Yamaha GP SR433 cylinder head with a magneto ignition system, assess your specific project goals, budget, and skills. If you value the rarity, collecting potential, enhanced performance, or functional backup, this part may be worth the investment despite the challenges. On the other hand, if cost, availability, and ease of use are key factors for you, it might be wise to stick with a standard replacement cylinder head.

Details:

They may have some dents, scratches, cracks and or missing pieces.

It is also cheaper if you do not need a lift gate truck. Port of your choice.

Please see photos for condition and fitment. Pitting on the dome see photo and wear due to years of use. Still has some black paint on fin edges.

They may need some repairs. They will not look like new parts. Shipping domestic.

As this stops us from selling the item to someone else who needs. Not looking at the pictures, reading.

They may not be clean. Sometimes calculated shipping can be high and needs to adjusted.

1 mile south of town on m-19. What you see in the pictures is get, nothing more less.

Please look at all the pictures and read whole.

We answer all questions.

West side of the road.

Emc-cycle attn: dept.

Yamaha cylinder head Ss gp433 oem magneto side this part is used and in usable condition. Any questions.

If the cost seems high, especially on combine shipping items, before paying. They may have repairs.

This part has been media blasted and inspected for damages. Parts may have some shelf wear from years of being on shelves and or moved over.

Oem original equipment manufacturer which may be new or used items for that machine.

Our address is.

Not asking questions, gets you the wrong part every time guaranteed.

Spark plug threads have been checked and they are clean sharp. If you see something we missed or is incorrect in the please.

part #: 818111110000 prices

• $28.47-$29.66

specifications enginesnowmobile:

• for models: Ss, 433
• for makes: Yamaha
• for years: 1971-1973
• part type: Cylinder Head
• emc stock : Jsc3912 F46
• upc: 818111110000

Returns enginesnowmobile:

• time: 30 Days
• policy: returns accepted
• paid by: Buyer

Shipping enginesnowmobile:

• type: Calculated
• handling: 1 days

Ratings:

1. Great seller! 02-04-19
2. fast response and fast delivery 02-05-19
3. Thanks they look great 02-04-19
4. vendedor super honesto recomendo. 02-05-19
5. Thanks 02-05-19

General enginesnowmobile:

• in stock: Yes
• Engines Components > Snowmobile Engine Components
• condition: Used

Offer enginesnowmobile:

• Sold: 0
• Started: February 5, 2019, 2:50 pm
• best offer: false
• bids: 0
• quantity: 1

Seller enginesnowmobile:

• city: Yale, Michigan
• rating 02-05-19: 99.7%
• # feedbacks 02-05-19: 27415
• zipcode: 48097

Payments enginesnowmobile:

• Discover
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• CashOnPickup
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