YAMAHA 2A6-11637-00 Nos Piston DT1 O/s 0.75

( Manufacturer Part Number: 2A6-11637-00 ), ( Engine Type: 2-stroke ), ( Type: Piston ), ( Machine Type: Dual Sport Motorcycle ), ( Country/region Of Manufacture: Japan ), ( Vintage Part: Yes )

Review YAMAHA Nos Dt1 O/s 0.75 Piston fits 1978-81

Yamaha DT1 Overhead Square Slide 0.75 piston (Part No: 2A6-11637-00) (Year: 1978-1981)

This is an authentic Yamaha 0.75 cubic inch (12.1 cubic centimeters) overhead square slide piston (Part No: 2A6-11637-00) designed for use in the Yamaha DT1 motorcycle models manufactured between 1978 and 1981. This piston is engineered to deliver optimal performance and reliability for your classic two-wheel machine.

The piston features an overhead square slide design, which means the intake and exhaust ports are located at the top of the piston crown. This design is particularly beneficial for high-performance applications, as it allows for better gas flow and improved combustion efficiency.

The piston's skirt is designed to be a direct fit for your DT1 engine, ensuring a snug and secure installation. The skirt is also coated with a durable, low-friction skirt coating that minimizes wear and tear, allowing for longer piston life.

The piston ring grooves are precision machined to accommodate the correct size and type of piston rings. These rings help maintain proper compression and seal the combustion chamber, ensuring efficient engine operation.

The piston crown is designed to accommodate the stock Yamaha DT1 cylinder head gasket. It also features the correct deck height and piston-to-wall clearance to ensure proper engine compression and clearance for optimal engine performance.

This piston is made from high-quality, forged aluminum alloy, ensuring superior strength and durability. The piston's compression ratio is optimized for the stock DT1 engine, providing excellent power delivery and fuel efficiency.

When installing this piston, it's essential to follow the correct installation procedure to ensure proper engine functioning. This may include disassembling the engine, checking clearances, and installing the piston rings correctly. We recommend consulting the Yamaha service manual or seeking assistance from a professional mechanic for a successful installation.

In summary, this Yamaha 0.75 cubic inch (12.1 cubic centimeters) overhead square slide piston (Part No: 2A6-11637-00) is a high-quality replacement component designed for use in Yamaha DT1 motorcycles manufactured between 1978 and 1981. With its innovative design, superior materials, and precision manufacturing, this piston offers excellent performance, reliability, and longevity for your classic machine.

Buying a Yamaha 2A6-11637-00 piston for a DT1 engine produced between 1978 and 1981 with an over-size of 0.75 can have several pros and cons for motorcycle enthusiasts or mechanics. Here's a brief analysis of each:

1. Performance improvement: The oversized piston can help increase engine power and torque, resulting in better performance.

2. Durability: A higher quality aftermarket piston can be more durable than the original OEM part, potentially reducing the need for frequent replacements.

3. Customization: For those who enjoy tinkering with their motorcycles, upgrading to an oversized piston can be a fun and rewarding project.

1. Compatibility issues: Ensure that the piston is specifically designed for your engine model and year, as using the wrong one can lead to serious engine damage.

2. Cost: Aftermarket pistons can be more expensive than OEM parts, and the cost of the piston alone may not include other necessary components, such as rings or gaskets.

3. Installation complexity: Installing an oversized piston can be a complex process that requires specialized tools and knowledge. Incorrect installation can cause engine damage.

4. Potential power imbalance: An oversized piston may cause an imbalance in the engine, potentially leading to vibration or damage to other components.

The decision to buy a Yamaha 2A6-11637-00 piston for a DT1 engine depends on several factors, including your budget, mechanical skills, and desired performance improvement. If you're confident in your ability to install the part correctly and are willing to pay the additional cost, an oversized piston can offer improved performance and durability. However, if you're unsure about the installation process or are concerned about compatibility issues, it may be best to stick with the OEM part or consult a professional mechanic. Ultimately, thorough research and careful consideration are essential before making a purchase.

If you decide to proceed with the purchase of the Yamaha 2A6-11637-00 piston, ensure that you obtain it from a reputable aftermarket parts supplier. Additionally, consult the installation instructions carefully and consider seeking assistance from a professional mechanic to ensure proper installation. Remember that an oversized piston may require additional components, such as rings or gaskets, to function correctly. Good luck with your project!

Details:

Manufacturer: Yamaha.

part #: 2a61163700 prices

• $28.90-$44.99

specifications pistondon:

• for makes: Yamaha
• for years: 1978-81
• mpn: 2a6-11637-00
• engine type: 2-stroke
• type: Piston
• machine type: Dual Sport Motorcycle
• country/region of manufacture: Japan
• vintage part: Yes

shipping pistondon:

• type: Calculated
• cost: $0.00
• service: USPS Ground Advantage
• transit: 3-9 Days
• carrier: USPS
• class: Standard

offer pistondon:

• started: September 10, 2025
• sold: 0
• availability: In Stock
• quantity: 2
• options: Ship-to-home

payments pistondon:

• other
• wallet: Google-pay
• credit card: Mastercard

returns pistondon:

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

general pistondon:

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

seller pistondon:

• # reviews: 359
• rating: 100.0%
• city: Alliance, Ohio

Yamaha 2A6-11637-00 Is Similar To:

• Yamaha 2s2-11311-10-00 2009 Yz450f Top End Cylinder Works With Piston E4 (44.8% similar) Came off 09 YZ450F...(May 15th, 2024)
• Yamaha 5ks-11311-00-00 2001 00-03 Vstar 1100 Xvs1100 Classic Piston Cylinder Barrel Front Rear (35.4% similar) Office use: Lr-KB 01VSTAR1100-001766...(May 15th, 2024)
• Yamaha 1wg 11631-01-00 1989-1990 Fzr400 Oem Piston And Rings 1wg-11631-01-00 (48.1% similar) 55.945MM-55.960MM. Very good condition lightly used oem piston and ring set for 1988 -1990 yamaha FZR400 motorcycle.piston within factory specs...(May 15th, 2024)
• Yamaha 4xv-11631-10-00 2002 02-03 Yzfr1 R1 Engine Motor Piston Lot (43.7% similar) Office use: Lr-DH 02YAMAHAR1-000084...(May 25th, 2024)
• Yamaha 13s-11631-00-00 08-16 Yzf R6 R6r Engine Motor Block Pistons Piston Set 09 10 11 12 13 14 (40.5% similar) Not to mention. Any other shipping preferences aka: FedEx, ups, USPS must be quoted through us. B line motor sports. Have concerns about an order. All parts are backed by our 100% working guarantee or your money back. Don't see an item you are looking for. Please do your research...(June 1st, 2024)
• Yamaha 5jw-11631-00-00 2009 06-12 Fjr1300 Engine Motor Piston Lot (45.8% similar) Office use: Lr-DH 09YAMAHAFJR1300-006151...(June 1st, 2024)
• Yamaha 4mm-11311-01-00 1998 97-07 Yzf600r Yzf600 Thundercat Cylinder Barrel Jug Piston Engine (38.4% similar) Office use: Lr-DH 98YAMAHAYZF600R-002793...(June 3rd, 2024)
• Yamaha 14b-11311-00-00 2009 09-14 R1 Yzfr1 Cylinder Barrel Jug Piston Engine Motor Oem (37.4% similar) Office use: Lr-DH 09YAMAHAYZFR1-003524...(June 4th, 2024)
• Yamaha 1fk-11650-01-00 2004 Vmax 1200 Engine Motor Block Piston Connecting Rod (39.7% similar) R r cycle parts. 2004 yamaha Max 1200 engine motor block piston 1FK-11650-01- this piston is in good condition and shows normal signs of wear. Removed from: 2004 yamaha Max 1200 with 35,972 miles, please review all pictures to assess the condition of item...(June 4th, 2024)
• Yamaha 2ms-e1631-00-00 2017 15-18 Yzfr3 R3 Cylinder Barrel Jug Piston Engine Motor Oem (38.8% similar) Office use: Lr-DH 17YAMAHAR3-002349...(June 4th, 2024)
• Yamaha 14b-11631-00-00 09-14 R1 Yzf1000 Piston Oem (58.3% similar) With 19,858 miles, 09-14 yamaha r1 YZF1000 piston oem 14B-11631-00-00: pulled from a good running bike ready to use as shown in photos. Pulled from a 2013 yamaha R1...(June 6th, 2024)