1. Antique, Vintage, Historic Motorcycle Parts For Sale
  2. sku: 21841319096603722
  3. HARLEY DAVIDSON 29122-73P

HARLEY-DAVIDSON 29122-73P Aermacchi Air Cleaner X90 Z90

fits make: Harley. year: 1973–1975.

29122-73p Harley-davidson Aermacchi 1973-1975 X90 Z90 Air Cleaner Assy Restored

( Brand: Harley-davidson ), ( Manufacturer Part Number: 29122-73P ), ( Part Type: Cleaner ), ( Machine Type: Restored Air Cleaner Assy ), ( Color: Black ), ( Compatible Model: Aermacchi Harley Davidson 1973-1975 X90, Z90 ), ( Material: Steel ), ( Item Length: Sh2/20 Dellorto ), ( Vintage Part: Yes ), ( Compatible Make: Aermacchi Harley Davidson 1973-1975 X90, Aermacchi Harley Davidson 1973-1975 Z90 ), ( Manufacturer Warranty: Expired ), ( Oe/oem Part Number: 29122-73p, 29075-68p ), ( Compatible Year: 1973 Thru 1975 ), ( Country Of Origin: Italy )

Review HARLEY DAVIDSON Aermacchi X90 Z90 Air Cleaner Assy Restored fits 1973–1975

The **Harley-Davidson 29122-73P Aermacchi 1973 1975 X90/Z90 Air Cleaner** is a meticulously crafted, period-correct replacement part designed to restore the iconic performance and authenticity of Harley-Davidson s early Aermacchi-inspired models. Originally fitted to the **X90 and Z90** scooters produced between **1973 and 1975**, this air cleaner is a direct OEM replacement, ensuring a seamless fit and reliable operation. Crafted from high-quality materials, the unit features a robust **plastic housing** with a durable rubber gasket to prevent leaks, while the **foam filter element** is designed to efficiently trap dust and debris, maintaining optimal engine airflow. The air cleaner s compact yet sturdy design reflects the engineering precision of the era, allowing it to integrate flawlessly with the scooter s original intake system. Whether restoring a classic X90 or Z90 for daily riding or exhibition, this air cleaner preserves the scooter s vintage character while ensuring dependable performance. Its compatibility with aftermarket modifications also makes it a versatile choice for enthusiasts looking to enhance their ride s authenticity or functionality. With its timeless design and functional reliability, this part is an essential component for any owner seeking to maintain or revive the spirit of Harley-Davidson s early Aermacchi collaborations.

### **Pros and Cons of Buying a Harley-Davidson 29122-73P (Aermacchi X90/Z90 Air Cleaner, 1973 1975)**

#### **Pros**

1. **Classic V-Twin Design** The Harley-Davidson 29122-73P is part of the early Aermacchi collaboration, featuring a distinctive 45 V-twin engine that was a precursor to Harley s own V-twin designs. This makes it a rare and historically significant machine, appealing to collectors and enthusiasts of early motorcycle engineering.

2. **Reliability of the Aermacchi Engine** The X90/Z90 engine was well-regarded for its simplicity and durability. With proper maintenance, these bikes can run reliably for many years, especially if the original components are preserved.

3. **Moderate Performance for Its Era** The 900cc air-cooled engine produces around 50 60 horsepower, which was strong for its time. While not as powerful by modern standards, it offers a smooth, torquey ride that was characteristic of early V-twins.

4. **Potential for Restoration** Many parts are still available from Harley-Davidson or third-party suppliers, and the bike s simplicity makes it easier to restore than later, more complex Harley models. A well-restored example can be a prized possession.

5. **Nostalgia and Collectibility** As one of the first Harley-Davidson models produced under the Aermacchi license, these bikes are sought after by collectors. Their rarity increases their value over time, especially in good condition.

6. **Lower Running Costs (Compared to Modern Harleys)** Since these bikes are not built to modern safety or emissions standards, maintenance and repairs can be less expensive than on newer Harley-Davidson models.

7. **Unique Styling** The X90/Z90 had a distinct, retro look that differs from Harley s later designs. This makes it stand out in a crowd and appeals to those who prefer classic aesthetics.

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#### **Cons**

1. **Age and Wear** These bikes are over 50 years old, meaning they will require significant maintenance. Rust, worn-out components, and outdated materials (like original rubber parts) are common issues.

2. **Limited Availability of Original Parts** While some parts are still produced, many original components (such as the air cleaner, carburetors, and wiring) may be hard to find in perfect condition. Replicas or aftermarket parts may be necessary.

3. **Safety Concerns** Modern safety standards (such as ABS, modern brakes, and reinforced frames) were not present in the X90/Z90. The bike lacks features like disc brakes (early models had drum brakes) and modern suspension, which can make it less safe in high-speed or aggressive riding conditions.

4. **Fuel and Emissions Issues** These bikes were not designed for modern fuel blends, and running them on today s gasoline can cause carburetor and engine problems. They also do not meet emissions standards, limiting where they can legally be ridden in some areas.

5. **High Maintenance Requirements** The air-cooled engine and simple drivetrain mean that regular upkeep is essential. Neglect can lead to catastrophic failures, such as seized engines or broken transmissions.

6. **Resale Value Depends on Condition** While rare, the resale value is highly dependent on the bike s restoration quality. A poorly maintained example may not hold value, whereas a fully restored one could appreciate.

7. **Limited Modern Comfort** Ergonomics, seating, and wind protection are not as refined as in modern motorcycles. Long rides may be uncomfortable compared to contemporary bikes.

8. **Legal Restrictions** Some jurisdictions have restrictions on vintage motorcycles, particularly regarding emissions and safety equipment. You may need to modify or register the bike as a "vintage" or "classic" vehicle, which can be bureaucratic.

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### **Conclusion**

Buying a **Harley-Davidson 29122-73P (Aermacchi X90/Z90 air cleaner, 1973 1975)** is a decision best suited for **collectors, restorers, or enthusiasts who appreciate classic motorcycles**. If you are looking for a **daily rider or a modern cruiser**, this bike is not the best choice due to its age, safety limitations, and maintenance demands.

However, if you are willing to invest time and money into **restoration, maintenance, and potential modifications**, this bike can be a rewarding project. Its historical significance, unique design, and potential for appreciation in value make it a compelling purchase for the right buyer.

### **Recommendation**

- **Buy if:** You are a **restoration enthusiast**, a **collector**, or someone who values **historical motorcycles** over modern convenience. Ensure you have the **time, budget, and mechanical skills** to keep it running.

- **Avoid if:** You prioritize **safety, reliability, and ease of maintenance** over nostalgia. Consider a **modern cruiser or a well-restored vintage Harley** instead.

- **Alternative Considerations:** If you like the Aermacchi design but want something more practical, look for a **later Harley-Davidson model (e.g., 883 or 1200cc cruisers)** that balances classic styling with modern reliability.

Ultimately, this bike is a **passion project** rather than a practical ride decide whether the joy of ownership outweighs the challenges.

Details:

The housing cover were in excellent condition prior to the sandblasting repaint wrinkle black. The original Harley Davidson part number is as follows: 7026p lock washer NOS. 27758-71p screw, clamp NOS. 27756-71p nut, clamp NOS.

8111p wing nut NOS.

part #: 2912273p prices

  • $270.00-$300.00

specifications cyclevintagee:

  • for makes: Harley
  • for years: 1973-1975
  • brand: Harley-davidson
  • mpn: 29122-73p
  • part type: Cleaner
  • machine type: Restored Air Cleaner Assy
  • color: Black
  • compatible model: Aermacchi Harley Davidson 1973-1975 X90, Z90
  • material: Steel
  • item length: Sh2/20 Dellorto
  • vintage part: Yes
  • compatible make: Aermacchi Harley Davidson 1973-1975 X90, Aermacchi Harley Davidson 1973-1975 Z90
  • manufacturer warranty: Expired
  • oe/oem part number: 29122-73p, 29075-68p
  • compatible year: 1973 Thru 1975
  • country of origin: Italy

shipping cyclevintagee:

  • cost: $0.00
  • transit: 4-9 Days
  • class: Economy
  • type: Fixed
  • service: Economy

general cyclevintagee:

  • Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories
  • condition: For parts or not working

seller cyclevintagee:

  • city: Lowell, Massachusetts
  • # reviews: 2530
  • rating: 99.7%

offer cyclevintagee:

  • started: April 18, 2026
  • sold: 0
  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock

payments cyclevintagee:

  • other
  • credit card: Diners-club
  • wallet: Google-pay

returns cyclevintagee:

  • policy: No Returns
for makes: harley, for years: 1973-1975, part type: cleaner, machine type: restored air cleaner assy, compatible model: aermacchi harley davidson 1973-1975 x90, z90, item length: sh2/20 dellorto, vintage part: yes, compatible make: aermacchi harley davidson 1973-1975 x90, aermacchi harley davidson 1973-1975 z90, manufacturer warranty: expired, oe/oem part number: 29122-73p, 29075-68p, compatible year: 1973 thru 1975, country of origin: italy,
category: motorcycle parts > motorcycle scooter parts accessories, color: black, material: steel, sku: 21841319096603722,
Harley-davidson 29122-73P Is Similar To:
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2 offers $270.00–$300.00 USD
  • For parts or not working. Offer #1 priced at $300.00 + $0.00 shipping estimate = $300.00* total. the original harley davidson part number is as follows 8111p wing nut NOS. The housing & cover were in excellent condition prior to the sandblasting & repaint in "wrinkle black".FREE SHIPPING
  • Used. Offer #2 priced at $270.00 + $7.90 shipping estimate = $277.90* total. TAKE A LOOK AT THE PICTURE. A 1974 HARLEY DAVIDSON AERMACCHI X-90CC AIR CLEANER # .+$7.90 shipping

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