1. Snowmobile Parts Items
  2. sku: 9754495756790853
  3. YAMAHA 8E3-21751-00

YAMAHA 8E3-21751-00 Nos Oil Tank CAP-GS300A-GS340

fits make: Yamaha. year: 1977–1980.

Cap-gs300a-gs340 Yamaha 8e3-21751-00 Nos Vintage 1977-1980 Snowmobile Oil Tank With

( Manufacturer Part Number: 8E3-21751-00 ), ( Type: Oil Tank Resevoir )

Review YAMAHA Nos Vintage Snowmobile Oil Tank fits 1977–1980

Yamaha GS300A/GS340 Oil Tank Cap (For Yamaha Motorcycles, Model Years 1977-1980)

Description:

The Yamaha GS300A/GS340 Oil Tank Cap is an authentic replacement part designed specifically for Yamaha motorcycles manufactured between 1977 and 1980. This cap is suitable for GS300 and GS340 models.

Crafted from premium materials, this oil tank cap ensures a secure and reliable seal to prevent oil leaks. Its design conforms to the original equipment manufacturer (OEM) specifications, guaranteeing a perfect fit and finish.

The cap features a classic, domed design that not only looks attractive but also effectively prevents rainwater and debris from entering the oil tank. The cap's internal gasket is made from a high-quality, resilient material that maintains its shape and sealing properties over time, ensuring a leak-free performance.

Installing this cap on your Yamaha motorcycle is a straightforward process. Simply remove the old cap and replace it with the new one, ensuring that the gasket is properly seated in its place. The cap comes with all necessary hardware for installation, including the necessary screws.

By using a genuine Yamaha oil tank cap, you can maintain the performance and integrity of your motorcycle's oil system. This replacement part is an essential investment for any Yamaha motorcycle enthusiast looking to keep their bike in excellent working condition.

In summary, the Yamaha GS300A/GS340 Oil Tank Cap is a high-quality, OEM replacement part designed for Yamaha motorcycles from the late 1970s. It ensures a secure seal, prevents oil leaks, and maintains the appearance of your bike. Its easy installation process makes it a must-have for any Yamaha motorcycle owner.

Pros and Cons of Buying Yamaha 8E3-21751-00 Oil Tank Cap GS300A-GS340

Introduction:

The Yamaha 8E3-21751-00 Oil Tank Cap GS300A-GS340 is a replacement part designed for Yamaha motorcycles manufactured between 1977 and 1980. This component is essential for maintaining the proper sealing of the oil tank and ensuring the motorcycle's engine operates efficiently. In this analysis, we will discuss the advantages and disadvantages of purchasing this oil tank cap.

Pros:

1. OEM (Original Equipment Manufacturer) Part: This cap is a direct replacement for the original part, ensuring a perfect fit and optimal performance.

2. Improved Sealing: The new cap provides better sealing than an aged or worn-out cap, preventing oil leaks and reducing the risk of engine damage.

3. Enhanced Aesthetics: A new oil tank cap can improve the overall appearance of your motorcycle, making it look newer and better-maintained.

4. Long-term Savings: Although the upfront cost may be higher than using aftermarket alternatives, the OEM part guarantees a longer lifespan, saving you money in the long run.

5. Peace of Mind: By using a genuine Yamaha part, you can have confidence that you are making a sound investment in your motorcycle's longevity and performance.

Cons:

1. Cost: The Yamaha 8E3-21751-00 Oil Tank Cap GS300A-GS340 is more expensive than aftermarket alternatives.

2. Availability: Due to its specific application to a limited range of motorcycles, this part may be harder to find in local stores, requiring an online purchase.

3. Delayed Shipping: Depending on the supplier and your location, shipping times for this part could be longer than for more commonly available parts.

Conclusion:

The Yamaha 8E3-21751-00 Oil Tank Cap GS300A-GS340 offers several advantages, including a perfect fit, improved sealing, enhanced aesthetics, long-term savings, and peace of mind. However, it also comes with some disadvantages, such as a higher cost, limited availability, and potential shipping delays.

Recommendation:

If you own a Yamaha motorcycle manufactured between 1977 and 1980 and are in need of a replacement oil tank cap, the Yamaha 8E3-21751-00 Oil Tank Cap GS300A-GS340 is an excellent choice. Although it may have a higher upfront cost and limited availability, the benefits of using an OEM part far outweigh the drawbacks. By investing in a genuine Yamaha part, you can ensure optimal performance, longer lifespan, and improved appearance for your motorcycle.

Details:

NOS 1977-1980 Yamaha snowmobile oil tank resevoir. Entice 340-GS300A-GS340-Still in plastic dealer bag. Also gas a NOS oil cap.

part #: 8e32175100 prices

  • $29.95-$39.95

specifications snowpar:

  • for makes: Yamaha
  • for years: 1977-1980
  • mpn: 8e3-21751-00
  • type: Oil Tank Resevoir

shipping snowpar:

  • transit: 7-12 Days
  • carrier: USPS
  • cost: $14.00
  • type: Fixed
  • service: USPS Ground Advantage
  • class: Standard

offer snowpar:

  • sold: 0
  • quantity: 1
  • availability: In Stock
  • started: January 8, 2026
  • options: Ship-to-home

seller snowpar:

  • # reviews: 6665
  • rating: 100.0%
  • city: Waterville, Maine

returns snowpar:

  • policy: Returns Accepted
  • paid by: Buyer
  • time: 14 Days

payments snowpar:

  • other
  • wallet: Apple-pay
  • credit card: Visa

general snowpar:

  • Parts Accessories > Snowmobile Parts > Other Parts
  • condition: Used
for makes: yamaha, for years: 1977-1980, type: oil tank resevoir,
category: snowmobile parts > parts, sku: 9754495756790853,

Yamaha 8E3-21751-00 Is Similar To:

snowpar logo
2 offers $29.95–$39.95 USD
  • Offer #1: $29.95 price + $14.00 shipping estimate = $43.95* total. Also gas a NOS oil cap. Enticer 340-GS300A-GS340-Still in plastic dealer bag.+$14.00 shipping
  • Offer #2: $39.95 price + $29.95 shipping estimate = $69.90* total.+$29.95 shipping

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