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  3. YAMAHA 818-11636-02-00

YAMAHA Nos Piston 818-11636-02-00. .50O/S.

fits make: Yamaha. year: 1971.

818-11636-02-00 Yamaha Nos 818-11636-02-00. Oem Piston .50o/s. Fits Snowmobile 1971

( Part Type: Piston ), ( Country Of Origin: United States ), ( UPC: 818116360200 )

Review YAMAHA Nos 818-11636-02-00. Oem Piston .50o/s. Fits Snowmobile fits 1971

Yamaha 818-11636-02-00 NOS Piston, 50 over, 1971

Description:

The Yamaha 818-11636-02-00 NOS (New Old Stock) piston is an original equipment manufacture (OEM) replacement part designed for use in Yamaha outboard motor engines manufactured in 1971. This piston is suitable for 50 over applications.

This high-quality piston is precision engineered to ensure optimal performance and durability. It is made from a durable material, such as aluminum alloy, to provide strength and resistance to wear and tear. The piston's crown is designed to provide efficient combustion, while the skirt is engineered to ensure a snug fit within the cylinder.

The piston features a compression height of approximately 3.2 inches (81.3 mm) and a total height of approximately 4.0 inches (101.6 mm). The piston's piston pin bore diameter is around 0.687 inches (17.45 mm), and the piston ring groove diameter is approximately 0.811 inches (20.59 mm). The piston's piston pin diameter is around 0.585 inches (14.86 mm).

The surface of the piston is finished with a smooth, polished coating to reduce friction and ensure a smooth operating engine. The piston also features a vented design, which helps to equalize engine pressure and reduce the risk of engine damage due to excessive pressure.

This NOS piston is in its original packaging and has not been used or installed in an engine. It is a valuable find for collectors, restorers, and enthusiasts of vintage Yamaha outboard motors. By using an authentic OEM replacement part like this Yamaha 818-11636-02-00 NOS piston, you can ensure that your engine continues to perform at its best and maintains its original value.

Please note that this piston is intended for use in specific Yamaha outboard motor engines manufactured in 1971, and it is important to verify that it is compatible with your engine before installation. For any questions or concerns regarding compatibility, please consult your engine's service manual or contact a Yamaha authorized dealer.

Buying a Yamaha 818-11636-02-00 NOS Piston: A Comprehensive Analysis

The Yamaha 818-11636-02-00 NOS (New Old Stock) piston is a popular replacement option for Yamaha outboard engines. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this piston.

Advantages:

1. Authenticity and Reliability: NOS parts are original, factory-manufactured components that have been stored in a controlled environment. They are known for their authenticity and reliability, making them an excellent choice for restoring vintage outboard engines.

2. Durability: Yamaha pistons are renowned for their durability. The NOS piston retains its original design and manufacturing specifications, ensuring excellent performance and longevity.

3. Vintage Restoration: For collectors and enthusiasts, using NOS parts for restoration projects adds authenticity and value to their engines.

4. Availability: Yamaha NOS parts are readily available from authorized dealers and online marketplaces, making it easy to find and purchase the specific piston needed.

Disadvantages:

1. Cost: NOS parts, including the Yamaha 818-11636-02-00 piston, are typically more expensive than aftermarket or used parts. This may be a significant factor for those on a budget.

2. Limited Use: NOS parts are designed for specific engines and applications. If the engine is not original or has undergone modifications, the NOS piston may not be a perfect fit, requiring additional modifications or customization.

3. Storage and Handling: Proper storage and handling of NOS parts is crucial to maintain their original condition. Improper storage or mishandling can lead to damage or reduced performance.

Conclusion:

The Yamaha 818-11636-02-00 NOS piston offers several advantages, including authenticity, reliability, durability, and availability. However, its higher cost and limited compatibility are potential disadvantages. Ultimately, the decision to purchase this piston depends on the specific requirements of the project and the budget constraints of the buyer.

Recommendation:

For those restoring a vintage Yamaha outboard engine with authenticity and performance as top priorities, the Yamaha 818-11636-02-00 NOS piston is an excellent investment. However, for those working on modified engines or those with limited budgets, aftermarket or used pistons may be a more practical and cost-effective alternative.

Details:

Made in the USA by Yamaha, this piston is a genuine part that ensures quality and compatibility with specified vehicle. Model lists are for reference only and may not be complete. YAM PIST BX 6 The product is a new old stock NOS Yamaha OEM piston with the manufacturer part number 818-11636-02-00. Perfect for restoring or upgrading a vintage Yamaha snowmobile, this piston provides reliable performance and durability your winter adventures.

This piston is designed for a .50 oversize fit on snowmobile from the year 1971.

part #: 818116360200 prices

  • $28.73-$36.66

specifications pistondon:

  • for makes: Yamaha
  • for years: 1971
  • part type: Piston
  • country of origin: United States
  • upc: 818116360200

returns pistondon:

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

seller pistondon:

  • city: Houston, Texas
  • rating: 100.0%
  • # reviews: 1400

general pistondon:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
  • condition: New

payments pistondon:

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offer pistondon:

  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • best offers: True
  • sold: 0
  • started: March 11, 2026

shipping pistondon:

  • service: USPS Ground Advantage, USPS Priority Mail, FedEx Ground / FedEx Home Delivery
  • type: Calculated
  • transit: 5-10 Days
  • carrier: USPS, FedEx
  • cost: $8.10
  • class: Standard, Expedited
for makes: yamaha, for years: 1971, part type: piston, country of origin: united states,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 11142646374152722,

Yamaha 818-11636-02-00 Is Similar To:

pistondon logo
4 offers $28.73–$36.66 USD
  • Offer #1: $32.95 price + $12.36 shipping estimate = $45.31* total. Fits Snowmobile SS433(71). Yamaha.+$12.36 shipping
  • Offer #2: $28.73 price + $5.97 shipping estimate = $34.70* total. Model lists are for reference only and may not be complete. Made in the United States by Yamaha, this piston is a genuine part that ensures quality and compatibility with the specified vehicle.+$5.97 shipping
  • Offer #3: $36.66 price + $14.50 shipping estimate = $51.16* total. NOTE . 1971 SS433 - Crank & Piston.+$14.50 shipping
  • Offer #4: $36.66 price + $14.50 shipping estimate = $51.16* total. SUPERCEEDED BY.+$14.50 shipping

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