1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 12035657241976611
  3. APRILIA AP8540049

APRILIA AP8540049 Cylinder Head Bevel Drive Engine 1970S 125CC

fits make: Aprilia.

Ap8540049 Aprilia 1970s 125cc Motorcycle Cylinder Head Bevel Drive Engine

( Manufacturer Part Number: AP8540049 ), ( Type: Cylinder Head ), ( Country/region Of Manufacture: Italy ), ( Placement On Vehicle: Front )

Review APRILIA 1970s 125cc Motorcycle Cylinder Head Bevel Drive Engine

Introducing the Aprilia AP8540049, a captivating piece of motorcycling history from the 1970s. This engine is a testament to Aprilia's rich heritage in two-wheel technology, showcasing an intricately designed 125cc cylinder head with a bevel drive system.

The cylinder head is a marvel of engineering, with its compact dimensions and sophisticated design. The combustion chamber is meticulously crafted to ensure optimal fuel-air mixture for efficient combustion. The cylinder head also features finely tuned inlet and exhaust ports, designed to maximize gas flow for enhanced power output.

The bevel drive system is a classic feature that adds character to this engine. It is a robust, reliable, and low-maintenance solution for transmitting power from the crankshaft to the transmission. The bevel gears are meticulously machined to ensure smooth, quiet operation and minimal power loss.

This engine is a true work of art, with its intricate details and attention to design. The Aprilia AP8540049 is more than just a powertrain; it's a piece of motorcycling history that is sure to inspire awe and admiration. Whether you're restoring a vintage bike or building a custom cafe racer, this engine is an essential component that will bring your project to life.

The Aprilia AP8540049 is a testament to the ingenuity and craftsmanship of the 1970s motorcycle industry. It's a reminder of a time when motorcycles were more than just transportation; they were a labor of love, a source of pride, and a symbol of freedom. With its unique design and impressive performance, this engine is sure to be a prized addition to any motorcycle collection.

In summary, the Aprilia AP8540049 is a 125cc cylinder head with a bevel drive engine from the 1970s. It is a compact, finely tuned powertrain that is a marvel of engineering and a true work of art. Whether you're restoring a vintage bike or building a custom cafe racer, this engine is an essential component that will bring your project to life and add character and charm to your motorcycle.

The Aprilia AP8540049 125cc cylinder head bevel drive engine from the 1970s is an intriguing vintage component for motorcycle enthusiasts and collectors. Here are some pros and cons to help you make an informed decision before purchasing:

Pros:

1. Authenticity: This engine is an original part from the 1970s, making it a valuable addition to any vintage motorcycle collection.

2. Nostalgia: The engine's classic design and history may appeal to those who appreciate the aesthetic and cultural significance of motorcycles from this era.

3. Restoration: For those restoring a vintage motorcycle, an original engine like this can ensure authenticity and maintain the historical accuracy of the bike.

4. Rarity: Given its age, this engine is likely to be quite rare, making it a desirable collectible for enthusiasts.

5. Performance: While not as powerful as modern engines, the 125cc engine offers a unique riding experience, with its smooth bevel drive and characteristic sound.

Cons:

1. Availability of Spares: Due to its age and rarity, replacement parts for this engine may be difficult to find, making maintenance and repairs more challenging.

2. Compatibility: Ensure that the engine is compatible with your motorcycle model before purchasing, as it may not be a direct fit for all models.

3. Condition: Given its age, the engine may require extensive restoration work to bring it back to working order, which could add to the overall cost.

4. Reliability: Older engines like this one may not be as reliable as modern engines, which could lead to more frequent breakdowns and maintenance issues.

5. Compliance with Regulations: Depending on your location, the engine may not meet current emissions standards, which could limit its usability.

Conclusion:

The Aprilia AP8540049 125cc cylinder head bevel drive engine is an attractive addition to any vintage motorcycle collection, offering a unique blend of history, rarity, and performance. However, it comes with its share of challenges, including the availability of spare parts, compatibility with various motorcycle models, and the potential for extensive restoration work. Ultimately, the decision to purchase this engine depends on your individual preferences, budget, and level of dedication to vintage motorcycles.

Recommendation:

If you are a serious vintage motorcycle enthusiast or collector, and you have the necessary resources, skills, and dedication to restore and maintain an original engine like this one, then the Aprilia AP8540049 125cc cylinder head bevel drive engine could be an excellent investment. However, if you are new to vintage motorcycles or are looking for a more practical and reliable engine for everyday use, it may be worth considering a modern alternative.

Details:

Includes spark plug and original valve cover bolts. No visible cracks or damage; threads appear solid. Cast aluminum with original fins and intake/exhaust ports intact. If exact model is misidentified, please let us know.

Casting marks: 4.5.100.758 and 125 stamped on the head. Please verify compatibility before purchase. Likely from a late '60s or early '70s Ducat Sport/Scrambler model's.

part #: ap8540049 price

  • $199.95

specifications cylindermotorcycleiz:

  • for makes: Aprilia
  • mpn: Ap8540049
  • type: Cylinder Head
  • country/region of manufacture: Italy
  • placement on vehicle: Front

shipping cylindermotorcycleiz:

  • service: USPS Ground Advantage
  • type: Calculated
  • cost: $84.25
  • transit: 6-12 Days
  • class: Standard
  • carrier: USPS

payments cylindermotorcycleiz:

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

returns cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

  • city: San Martin, California
  • rating: 97.2%
  • # reviews: 10030

general cylindermotorcycleiz:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads
  • condition: Used

offer cylindermotorcycleiz:

  • started: July 4, 2025
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • best offers: True
  • quantity: 1
for makes: aprilia, type: cylinder head, country/region of manufacture: italy, placement on vehicle: front,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > cylinder heads, sku: 12035657241976611,
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1 offer $199.95 USD
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