YAMAHA 248-15416-01-Y4 Oil Pump Cover 175

( Manufacturer Part Number: 248-15416-01-Y4 ), ( Part Type: Oil Cover Pump ), ( Compatible Make: For Yamaha ), ( Machine Type: Ct1 175 ), ( Compatible Model: At1 125 ), ( Vintage Part: Yes ), ( Compatible Year: 1971 ), ( Country Of Origin: Japan )

Review YAMAHA 175 Oil Pump Cover Oem fits AT1 CT1 125 1969–1972

The **Yamaha AT1/AT1C 125cc and CT1/175cc oil pump cover (Part Number: 248-15416-01, Y4)** is a meticulously crafted, high-performance component designed exclusively for Yamaha s iconic 1969 through 1972 AT1, AT1C, and CT1 models, including the legendary 125cc and 175cc variants. This oil pump cover is engineered to ensure optimal lubrication efficiency, durability, and reliability critical factors for maintaining peak performance in these classic motorcycles. Crafted from high-grade, corrosion-resistant materials, the cover features a precision-machined design that aligns seamlessly with the engine s internal components, preventing leaks and ensuring smooth operation. Its robust construction not only enhances the longevity of the oil pump assembly but also contributes to the overall mechanical integrity of the engine, reducing wear and tear on critical parts. Whether restoring a vintage Yamaha to its original glory or upgrading an existing setup, this oil pump cover is an essential replacement part that upholds the motorcycle s heritage while meeting modern performance standards. Its compatibility with the Y4 engine series ensures a perfect fit, making it an indispensable addition for enthusiasts seeking both authenticity and functionality in their restoration or maintenance projects.

### **Pros and Cons of Buying a Yamaha AT1 125/CT1 175 (1969 1972) with the Oil Pump Cover (Part #248-15416-01-Y4)**

#### **Pros**

1. **Classic and Collectible Design**

The Yamaha AT1 125/CT1 175 is a highly sought-after classic motorcycle, especially among enthusiasts of the early 1970s Japanese market. Its timeless styling, lightweight frame, and simple yet effective engineering make it a desirable piece for collectors and riders who appreciate vintage machinery.

2. **Reliability and Durability**

Yamaha s early 1970s models were built with solid construction, using materials and assembly techniques that, while not as refined as modern standards, were robust for their time. Many of these bikes still run reliably with proper maintenance, especially if they were well-maintained by their original owners.

3. **Affordability Compared to European Classics**

Compared to older European motorcycles (e.g., Triumph, BSA, or Honda CB750), the AT1/CT1 is relatively inexpensive to acquire, making it accessible for riders who want a classic bike without the high cost of restoration. Parts are also more widely available than for some niche European models.

4. **Simple Mechanics and Ease of Maintenance**

The AT1/CT1 features a straightforward air-cooled single-cylinder engine, a three-speed transmission, and a basic suspension setup. This simplicity means that repairs and maintenance are often easier and less expensive than on more complex modern or European bikes. Many mechanics are familiar with basic Japanese 125cc/175cc models from this era.

5. **Potential for Restoration or Modification**

The bike s classic status means there is a community of enthusiasts who share knowledge, parts, and restoration tips. Modifications such as modernizing the carburetion, upgrading the suspension, or adding modern safety features (e.g., ABS, disc brakes) can be done relatively affordably. Some riders also enjoy restoring these bikes to their original condition, which can be a rewarding hobby.

6. **Fuel Efficiency and Practicality**

As a 125cc or 175cc bike, it offers excellent fuel efficiency (around 100 150 mpg, depending on riding style) and is lightweight, making it easy to handle in urban environments. It s also practical for short commutes or leisure rides, especially in areas where larger bikes may be restricted.

7. **Historical Significance**

The AT1/CT1 represents an important era in motorcycle history, marking Yamaha s entry into the global market and the rise of Japanese manufacturers as serious competitors to European brands. Owning one allows you to be part of a legacy that shaped modern motorcycle culture.

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#### **Cons**

1. **Age-Related Wear and Potential Hidden Issues**

Bikes from this era (1969 1972) are over 50 years old, which means they may have significant wear in critical components such as the engine, transmission, or frame. Rust, worn bearings, leaking seals, and outdated electrical systems are common problems. A thorough inspection by a trusted mechanic is essential before purchasing.

2. **Lack of Modern Safety Features**

The AT1/CT1 lacks modern safety features such as disc brakes (early models had drum brakes), ABS, traction control, or advanced suspension systems. Riding one safely requires a higher level of skill and awareness, especially at higher speeds or in adverse conditions.

3. **Limited Power and Performance**

The 125cc engine produces around 8 10 horsepower, and the 175cc engine around 12 15 horsepower, which is modest by today s standards. While this makes the bike easy to handle, it also limits its capability on highways or in windy conditions. The bike is best suited for urban or leisure riding rather than long-distance touring or aggressive riding.

4. **Availability of Parts and Expertise**

While parts for the AT1/CT1 are more accessible than for some rare European models, they may not be as readily available as for modern bikes. Some components, such as the oil pump cover (part #248-15416-01-Y4), may require sourcing from specialty suppliers or eBay. Additionally, finding a mechanic experienced with these older models can be challenging in some areas.

5. **Maintenance and Restoration Costs**

Restoring or maintaining the bike to a reliable condition can be costly, especially if major components (e.g., the engine, transmission, or frame) are worn out. Replacing parts like the clutch, bearings, or seals may require custom machining or sourcing vintage replacements. Some riders opt to keep the bike in a "running condition" rather than a fully restored state, which can limit its value and usability.

6. **Riding Experience Limitations**

The bike s lightweight frame and simple suspension make it nimble but can also lead to a less comfortable ride over rough roads or for long distances. The lack of ergonomic refinements (e.g., modern seating positions, wind protection) means that extended rides may be less comfortable than on a modern bike.

7. **Resale Value and Market Saturation**

While the AT1/CT1 is collectible, the market for these bikes is saturated with both original and restored examples. This can make it difficult to recoup a significant portion of the purchase price if you decide to sell later. The bike s value is largely tied to its condition, rarity of specific features (e.g., original paint, paperwork), and demand from collectors.

8. **Environmental and Legal Considerations**

Older bikes may not meet modern emissions standards in some regions, which could limit where you can ride or require modifications to pass inspections. Additionally, some areas have restrictions on older or unregistered bikes, so it s important to check local regulations before purchasing.

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### **Conclusion**

Buying a Yamaha AT1 125/CT1 175 (1969 1972) with the oil pump cover (part #248-15416-01-Y4) is a decision that appeals to those who value classic design, simplicity, and the thrill of riding a piece of motorcycle history. The bike offers affordability, reliability (if well-maintained), and a strong sense of nostalgia. However, it also comes with significant drawbacks, including age-related wear, limited performance, and the need for ongoing maintenance or restoration.

The oil pump cover is a relatively minor part, but its inclusion suggests that the seller may have taken some steps to address wear or is offering a more complete package. This could indicate that the bike is in better condition than average, but it s still critical to inspect the engine, transmission, frame, and other key components before purchasing.

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### **Recommendation**

- You are a collector or enthusiast who appreciates classic motorcycles and is willing to invest time and effort into maintaining or restoring it.

- You plan to use the bike for leisurely rides in urban or semi-rural areas and are comfortable with its limitations.

- You have access to a trusted mechanic who can perform a thorough inspection and address any issues before purchase.

- You are prepared for potential repair costs and are not expecting it to be a "plug-and-play" modern bike.

- You prioritize performance, safety, or modern comfort features and are looking for a bike that can handle highways or long distances.

- You lack the time, budget, or mechanical skills to maintain or restore the bike to a reliable condition.

- You are primarily interested in the bike s resale value or practicality for daily use rather than its historical or nostalgic appeal.

- You cannot find a reputable seller who provides a detailed history, service records, or a pre-purchase inspection.

- A clear history of maintenance and service.

- A pre-purchase inspection by a Yamaha specialist or classic bike mechanic.

- Documentation (e.g., original paperwork, build records) to verify authenticity and condition.

- A reasonable price that reflects the bike s age, mileage, and any necessary repairs.

For most riders, the AT1/CT1 is best suited as a hobby project or a weekend toy rather than a primary transportation or performance bike. If you are drawn to its charm and willing to embrace the challenges of owning a classic, it can be a rewarding experience. Otherwise, consider modern or slightly newer classic bikes (e.g., Yamaha RD350, Honda CB750) for a balance of history and practicality.

Details:

Reasonable offers accepted. Please see photos for condition details. 1969 1970 1971 1972 YAMAHA AT1 125 CT1 175 OIL PUMP COVER 248-15416-01-Y4 OEM condition: Pre-Owned tested in good clean working condition.

part #: 2481541601y4 prices

• $12.00-$39.99

specifications cyclevintagee:

• for models: At1, Ct1, 125
• for makes: Yamaha
• for years: 1969-1972
• mpn: 248-15416-01-y4
• part type: Oil Cover Pump
• compatible make: For Yamaha
• machine type: Ct1 175
• compatible model: At1 125
• vintage part: Yes
• compatible year: 1971
• country of origin: Japan

offer cyclevintagee:

• options: Ship-to-home
• quantity: 1
• best offers: True
• availability: In Stock
• started: February 16, 2026
• sold: 0

returns cyclevintagee:

• paid by: Buyer
• time: 30 Days
• policy: Returns Accepted

general cyclevintagee:

• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories
• condition: Used

shipping cyclevintagee:

• type: Calculated
• carrier: USPS
• service: USPS Ground Advantage
• transit: 5-12 Days
• class: Standard
• cost: $5.52

payments cyclevintagee:

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

seller cyclevintagee:

• city: Monroe, Oregon
• rating: 97.9%
• # reviews: 759

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