fits model: Knucklehead. year: 1937–2028.

( Brand: V-twin Manufacturing ), ( Manufacturer Part Number: 51-1039PU ), ( Part Type: Frame Pick )
The 1937 Harley-Davidson Knucklehead 28 Rake Frame EL Up, model number 51-1039PU, is a classic and highly sought-after vintage motorcycle that showcases the timeless design and engineering excellence of the Harley-Davidson brand. This particular model features a 28-degree rake frame, which provides a stable and powerful ride, and an EL (Electric Lighting) upgrade, ensuring optimal visibility for safe night-time rides.
The bike boasts a powerful V-twin engine, which is renowned for its smooth and thunderous sound. The engine's displacement is not specified in the model number, but historical records suggest that 1937 Harley-Davidson Knuckleheads typically had a 61 cubic inch (1,000cc) engine, delivering ample power for both city and highway use.
The frame of this 1937 Knucklehead is made of high-quality steel, providing both strength and durability. The 28-degree rake frame not only enhances the bike's handling and stability but also contributes to its iconic vintage appearance. The EL upgrade, which includes a headlight and tail light, ensures that this classic motorcycle is not only visually stunning but also safe for modern-day use.
The 1937 Harley-Davidson Knucklehead 28 Rake Frame EL Up, model number 51-1039PU, is an exceptional example of the golden age of American motorcycle design. It is a testament to Harley-Davidson's enduring commitment to quality, performance, and style, making it an excellent choice for collectors, enthusiasts, and riders who appreciate the classic charm of vintage motorcycles.
The 1937 Harley-Davidson Knucklehead 28 Rake frame EL with engine number 51-1039PU is a classic V-twin motorcycle that has both pros and cons for potential buyers.
Pros:1. Historical Significance: The Knucklehead is a iconic motorcycle that has a rich history in American motorcycle culture. Owning one is a way to connect with motorcycling's past.
2. Unique Design: The bike's 28-degree rake frame and distinctive "knuckle" engine design give it a distinctive and eye-catching appearance.
3. Vintage Appeal: The Knucklehead's classic styling and patina can be very appealing to collectors and enthusiasts.
4. Ride Quality: Despite its age, the Knucklehead can provide a smooth and enjoyable ride, especially on well-maintained roads.
Cons:1. Maintenance and Repairs: As a classic motorcycle, the Knucklehead may require more frequent maintenance and repairs than a newer bike. Replacement parts can also be expensive and hard to find.
2. Performance: Compared to modern motorcycles, the Knucklehead's performance may be lacking. It has a relatively low top speed and may not handle well on high-speed roads.
3. Safety: The Knucklehead lacks many of the safety features found on modern motorcycles, such as ABS, traction control, and airbags.
4. Insurance and Registration: Classic motorcycles can be expensive to insure and register, especially if they are being used for everyday transportation.
Conclusion:The 1937 Harley-Davidson Knucklehead 28 Rake frame EL is a unique and appealing motorcycle for collectors and enthusiasts. However, potential buyers should be aware of the bike's maintenance and repair needs, performance limitations, and higher insurance and registration costs. If you are willing to invest the time and money to keep the bike in good condition, it can provide a rewarding and enjoyable riding experience.
Recommendation:If you are considering buying a Knucklehead, it is recommended to have the bike thoroughly inspected by a professional mechanic to ensure that it is in good condition and does not have any hidden issues. It is also important to budget for ongoing maintenance and repair costs, and to consider whether you are willing to make the trade-offs in performance and safety that come with owning a classic motorcycle. Ultimately, whether or not the Knucklehead is the right motorcycle for you will depend on your personal preferences and priorities as a rider.
Sold with a manufacturer statement of origin. Frames do not include serial numbers. Swing arm frame should be assembled with pin shock sticks, in addition to the major drive train components.
Fits: el om: 1 - ea country of origin: imported. The frames that are offered manufactured as aftermarket from v-twin mfg. All major components should be pre-fitted neck cups, motor, transmission, rear fender, oil tank and brake assembly with cross shaft.
Rigid and swing arm frames are available for Harley model's. Frame has dings, scratches, dents and imperfection marks from shipping. Frames should be pre-assembled, in raw finish, before any primer or paint is applied. Cross shaft and seat post bushing may require honing for final fit.