All Yamaha Models 1971 Motorcycles
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Yamaha AS 3

1971 · Vintage

Year1971
MakeYamaha
Displacement125.00 ccm (7.63 cubic inches)
CategoryVintage
Yamaha AS 3
Yamaha AS 3 - Main Image
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Review
The Yamaha AS3, introduced in 1971, stands out as a distinctive model in the realm of two-stroke motorcycles, particularly for its innovative design and performance capabilities. With a robust 197cc engine, the AS3 was engineered to deliver a thrilling ride, characterized by its lightweight frame and agile handling. This model featured Yamaha's signature 3-cylinder configuration, which not only enhanced its power delivery but also set it apart in a market dominated by dual-cylinder counterparts. The bike's sleek aesthetics, coupled with practical features such as an electric starter and a well-structured suspension, made it a popular choice among riders seeking both style and substance. Beyond its technical specifications, the Yamaha AS3 holds significant historical value as part of Yamaha's early foray into performance-oriented motorcycles. It appealed to a generation of riders looking for reliability and excitement, establishing a legacy that continues to resonate with motorcycle enthusiasts today. Collectors and vintage motorcycle aficionados often seek out the AS3 for its unique engineering and nostalgic charm, making it a valued addition to any classic bike collection. In summary, the Yamaha AS3 embodies a blend of innovative engineering and timeless appeal, securing its place in motorcycle history as a celebrated model of the early 1970s.
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Pros (Advantages)

✅ Why buy this bike?

  • Lightweight Design: The AS3 features a lightweight chassis, making it nimble and easy to handle, especially for new riders or those navigating tight city streets.
  • Reliable Two-Stroke Engine: Equipped with a robust 250cc two-stroke engine, the AS3 offers a good balance of power and efficiency, providing an enjoyable riding experience without sacrificing reliability.
  • Distinctive Styling: The classic design and styling of the AS3 give it a unique retro appeal, making it a popular choice among vintage motorcycle enthusiasts and collectors.
  • Good Fuel Economy: The two-stroke engine is known for its fuel efficiency, allowing for longer rides without frequent stops for refueling—a significant advantage for touring.
  • Strong Community and Parts Availability: As a classic Yamaha model, the AS3 benefits from a dedicated community of enthusiasts and a relatively good availability of parts, making maintenance and restoration more accessible.
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Cons (Disadvantages)

⚠️ Things to consider

  • Limited Power Output: The Yamaha AS3 is powered by a small 250cc two-stroke engine, which may feel underpowered for riders looking for performance or highway capability.
  • Weight Distribution: Its weight distribution can be somewhat unbalanced due to its compact design, making it less stable at higher speeds compared to larger motorcycles.
  • Vibration Issues: The two-stroke engine can produce more vibrations than a four-stroke engine, which might lead to discomfort during longer rides.
  • Availability of Parts: As a classic motorcycle, finding specific replacement parts can be challenging, potentially leading to longer downtimes for repairs and maintenance.
  • Rider Comfort: The seating position and overall ergonomics may not be ideal for all riders, especially during extended rides, which can affect overall comfort and enjoyment.
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Alternatives

⚖️ Comparison & Competition

  • Suzuki T250 (1971) The Suzuki T250 is a lightweight, two-stroke, twin-cylinder motorcycle known for its agility and performance. It features a distinctive design and excellent handling, making it a popular choice among riders looking for a sporty ride with a vintage flair.
  • Kawasaki H1 500 (1971) The Kawasaki H1 500 is a powerful, three-cylinder motorcycle that gained fame for its impressive speed and acceleration. With a distinctive design and a reputation as a widowmaker due to its raw power, it appeals to those seeking an exhilarating riding experience.
  • Honda CB350 (1971) The Honda CB350 is a reliable, four-stroke motorcycle that combines efficiency with a smooth ride. Known for its durability and relatively low maintenance, it has a comfortable seating position and is ideal for both new riders and those looking for a classic commuter bike.
  • BSA A65 Lightning (1971) The BSA A65 Lightning is a classic British motorcycle known for its robust construction and classic styling. With a parallel twin engine, it offers a balance of performance and comfort, making it a great option for those who appreciate vintage bikes with character.
  • Triumph Bonneville T120 (1971) The Triumph Bonneville T120 is an iconic motorcycle that has become synonymous with the British biking scene. Featuring a parallel twin engine and timeless design, it delivers a thrilling ride with a blend of classic style and modern reliability, appealing to enthusiasts and collectors alike. These motorcycles represent a mix of performance, style, and heritage, providing great alternatives to the Yamaha AS 3 from the early '70s
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License Class (EU)

The Yamaha AS 3 produces 16 HP, fitting A2 license limits (max 35 kW / 47 HP). For riders 18+.

Fuel Economy & Running Costs

Estimated average for 125cc class: 75-100 mpg (2.5-3.5 L/100km)

⛽ Tank: 9.00 litres (2.38 gallons)

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Insurance Class

Insurance grouping for Yamaha AS 3 (125cc):

  • 📋 Group 1-5 — entry-level, lowest premiums
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    Insurance Calculator (UK est.)

    Personalised premium estimate for the Yamaha AS 3 (UK rates):

    💡 Estimate based on UK market averages. For real quotes, compare on Compare the Market, MoneySuperMarket, GoCompare.

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    Price Estimate

    Estimated price range for the Yamaha AS 3 based on comparable motorcycles:

    AVERAGE
    $2,015

    📊 Category-based (19 motorcycles) · Approximate (USD)

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    Buy New & Used

    Find new and used Yamaha AS 3 1971 listings:

    💡 Third-party listings. MotoBike Info is informational only.

  • 👤 Final premium varies by rider age, history, location.
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