YAMAHA 1A1-11630-00 Nos Piston Pin

( Manufacturer Part Number: 1A1-11630-00 ), ( Part Type: Piston Pin ), ( Country Of Origin: United States ), ( Manufacturer Warranty: 30 Day ), ( Storage Location: K6 Mot-n Buk 3 )

Review YAMAHA Nos Piston Missing Pin Oem fits RD400 1976–1977

The Yamaha RD400, a iconic motorcycle produced by Yamaha between 1976 and 1977, is known for its powerful and agile performance. One of its essential components is the piston pin, which plays a vital role in the smooth operation of the engine. The 1A1-11630-00 piston pin is a genuine Yamaha part designed specifically for use in the RD400 motorcycle during these production years.

This piston pin is a critical connecting component between the piston and the crankshaft. It is manufactured from high-quality, heat-treated steel to ensure durability and strength. The pin is precision-machined to ensure a perfect fit and function within the engine. The pin's surface is treated with a protective coating to prevent wear and corrosion, allowing for extended engine life and reliable performance.

The piston pin's dimensions are specifically designed for use in the RD400's engine. It measures 130mm in length, 11.5mm in diameter, and has a diameter at the small end of 8mm. The pin also features a hollow design, which helps to reduce the overall weight of the piston assembly and improve engine performance.

Installing the 1A1-11630-00 piston pin in your Yamaha RD400 is a straightforward process. You'll need to remove the crankshaft, piston, and connecting rod from the engine to access the piston pin. Once you have the components apart, you can carefully remove the old piston pin and replace it with the new one. Be sure to properly align the piston and crankshaft when reassembling to ensure proper engine function.

By using a genuine Yamaha piston pin like the 1A1-11630-00, you can ensure the reliable and long-lasting performance of your RD400 motorcycle. This part is specifically designed for the RD400 model, and its high-quality materials and precise dimensions make it an essential upgrade for any RD400 enthusiast.

Buying a Yamaha RD400 piston pin, part number 1A1-11630-00, for models produced between 1976 and 1977 involves considering both advantages and disadvantages.

1. OEM (Original Equipment Manufacturer) part: This piston pin is a genuine Yamaha replacement part, ensuring a perfect fit and optimal engine performance.

2. Improved engine reliability: A worn-out or damaged piston pin can lead to engine problems. Replacing it with a new one can help prevent potential engine issues and increase the overall lifespan of the motorcycle.

3. Better engine performance: A new piston pin can lead to improved combustion efficiency and power output, making your RD400 run smoother and stronger.

1. Cost: Replacing a piston pin is a relatively small part of an engine, but the cost of a genuine OEM part can be higher than aftermarket alternatives.

2. Labor costs: Installing the new piston pin requires removing the engine crankshaft, which can be a time-consuming and labor-intensive process.

3. Availability: Depending on your location and the availability of Yamaha dealers or parts suppliers, it might take some time to obtain the part.

Investing in a genuine Yamaha RD400 piston pin, part number 1A1-11630-00, is a worthwhile investment for those who prioritize engine reliability, performance, and the peace of mind that comes with using an OEM part. However, the cost and labor involved in the replacement process should be carefully considered before making a purchase.

If you are experiencing engine issues or have reason to believe that your RD400's piston pin is worn out, it is recommended to replace it with a new OEM part, such as the Yamaha 1A1-11630-00 piston pin. Ensure that you have the necessary tools and expertise to perform the replacement or consult a professional mechanic to do the job for you.

Details:

Yamaha MX / ATV. New Old Stock NOS genuine Yamaha piston for RD400 model's, ideal engine rebuilds. Spotlight: A Day Inside . 1974-1976 Yamaha YZ125 OEM Right Footrest Bracket 401-27412-00.

The image to watch on YouTube. Note: Piston pin is not included. Yamaha Cruisers. Fits: Fits 1976 Yamaha RD400.

part #: 1a11163000 prices

• $139.99-$219.95

specifications pistondon:

• for models: Rd400
• for makes: Yamaha
• for years: 1976-1977
• mpn: 1a1-11630-00
• part type: Piston Pin
• country of origin: United States
• manufacturer warranty: 30 Day
• storage location: K6 Mot-n Buk 3

offer pistondon:

• started: January 25, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 1

general pistondon:

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

seller pistondon:

• rating: 99.3%
• city: Odessa, Florida
• # reviews: 206953

shipping pistondon:

• type: Fixed
• class: Standard, Expedited, One-day
• carrier: FedEx, USPS
• transit: 3-6 Days
• service: FedEx Ground / FedEx Home Delivery, USPS Priority Mail, FedEx 2Day, Overnight
• cost: $0.00

returns pistondon:

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

payments pistondon:

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

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