1. Pistons, Rings & Piston Kits Products
  2. sku: 11212172715672663
  3. YAMAHA 371-11637-04

YAMAHA 371-11637-04 Rd Dt Ty Nos Piston 0.50MM

fits model: Mx, Yz, 250, 350. make: Yamaha. year: 1973–1976.

371-11637-04 Yamaha 1973-1976 Rd Dt Mx Yz Ty 250 350 Nos Oem 0.50mm Piston

( Manufacturer Part Number: 371-11637-04 ), ( Part Type: Piston ), ( Country Of Origin: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: J8 Crp1-n Buk 63 )

Review YAMAHA Rd Dt Ty Nos Oem 0.50mm Piston fits MX YZ 250 350 1973–1976

Introducing the Yamaha 371-11637-04 1973-1976 RD DT MX YZ 250 350 No.S 0.50mm Piston, a high-performance replacement part designed for Yamaha motorcycles of the mentioned model years and engine sizes.

This piston, manufactured to original equipment specifications, is engineered to deliver optimal power and efficiency for your classic Yamaha 250 or 350 motorcycle. The No.S designation indicates that it is for normal use, making it suitable for most riding conditions and engine configurations. The 0.50mm piston thickness ensures proper clearance and compatibility with the corresponding cylinder walls.

Manufactured using advanced materials and precision machining techniques, this Yamaha piston boasts superior strength and durability. The ring grooves are precisely engineered to accommodate the appropriate piston rings, ensuring a snug fit and efficient sealing. The piston skirt is designed to minimize friction with the cylinder walls, ensuring smooth engine operation and longevity.

Installing this replacement piston in your Yamaha motorcycle is a straightforward process, making it a convenient and cost-effective solution for those seeking to restore their classic bikes to their former glory. Additionally, the use of a high-quality replacement piston can help prevent potential engine damage and improve overall performance.

In summary, the Yamaha 371-11637-04 1973-1976 RD DT MX YZ 250 350 No.S 0.50mm Piston is a must-have replacement part for any Yamaha motorcycle enthusiast seeking to maintain or restore their classic bike. With its original equipment specifications, advanced materials, and precision engineering, this piston is the perfect solution for ensuring reliable and efficient engine performance.

Pros and Cons of Buying a Yamaha 1973-1976 RD, DT,MX, YZ,TY 250/350 0.50mm Piston

1. Pros:

a. Compatibility: This piston is designed to fit various Yamaha models from 1973 to 1976, including RD, DT, MX, YZ, and TY series with 250cc and 350cc engines.

b. Improved Performance: The 0.50mm oversize piston can help increase power and torque, providing a better riding experience.

c. Durability: High-quality materials ensure long-lasting performance, reducing the need for frequent replacements.

2. Cons:

a. Potential Clearance Issues: Installing oversize pistons may require clearance modifications to ensure proper fitment and function.

b. Cost: Replacing pistons can be an expensive endeavor, especially when considering the cost of other necessary components, such as rings and gaskets.

c. Installation Complexity: Installing a new piston kit can be a time-consuming and intricate process, best left to a professional mechanic or experienced enthusiast.

Ending Conclusion:

While the Yamaha 1973-1976 RD, DT,MX, YZ,TY 250/350 0.50mm piston offers compatibility, improved performance, and durability, it also comes with potential clearance issues, increased cost, and complex installation. Prospective buyers must weigh these pros and cons to determine if the benefits outweigh the challenges.

Recommendation:

If you're an experienced enthusiast or mechanic with a strong understanding of your motorcycle and the installation process, this piston may be a worthwhile investment for improved performance. However, for those less experienced, it may be best to consult a professional to assess the feasibility and potential costs before making a purchase.

Details:

This is a new old stock NOS Yamaha OEM 0.50mm oversize piston, part number 371-11637-04, for range of classic motorcycles. The image to watch on YouTube. Ideal for engine rebuilds requiring an oversize piston. Spotlight: A Day Inside .

Fits: Fits various 1973-1976 Yamaha 250cc and 350cc model's.

part #: 3711163704 prices

  • $37.15-$49.99

specifications pistondon:

  • for models: Mx, Yz, 250, 350
  • for makes: Yamaha
  • for years: 1973-1976
  • mpn: 371-11637-04
  • part type: Piston
  • country of origin: United States
  • manufacturer warranty: Unspecified Length
  • storage location: J8 Crp1-n Buk 63

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  • type: Fixed

seller pistondon:

  • rating: 99.3%
  • city: Odessa, Florida
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offer pistondon:

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  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
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  • started: March 15, 2026

general pistondon:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
  • condition: New other see details
for models: mx, yz, 250, 350, for makes: yamaha, for years: 1973-1976, part type: piston, country of origin: united states, manufacturer warranty: unspecified length, storage location: j8 crp1-n buk 63,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 11212172715672663,

Yamaha 371-11637-04 Is Similar To:

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3 offers $37.15–$49.99 USD
  • Offer #1: $37.19 price + $0.00 shipping estimate = $37.19* total. Honda MX / ATV. Ideal for engine rebuilds requiring an oversize piston.FREE SHIPPING
  • Offer #2: $49.99 price + $0.00 shipping estimate = $49.99* total. Sales are Final unless item is misrepresented Location: LR11-17H.FREE SHIPPING
  • Offer #3: $37.15 price + $0.00 shipping estimate = $37.15* total. Location: GARAGE#5 Up for sale, NOS Yamaha OEM Piston 0.75 1973-1974 TX500 1975-1977 XS500.FREE SHIPPING

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