fits model: Knucklehead. make: Harley. year: 1938.

( Brand: Harley-davidson ), ( Manufacturer Part Number: 38-1124 ), ( Part Type: Engine Case ), ( Placement On Vehicle: Right ), ( Surface Finish: Raw ), ( Bundle Listing: No ), ( Country/region Of Manufacture: United States )
The 38-1124 1938 Knucklehead EL 61 engine, manufactured by Harley-Davidson, is a testament to the company's rich heritage and engineering prowess. This iconic engine is a part of the Knucklehead series, which was Harley-Davidson's top-of-the-line V-twin engine design from 1936 to 1947.
The 38-1124 EL 61 engine is a 61 cubic inch (1000cc) powerhouse, featuring a unique design that sets it apart from its contemporaries. It boasts a displacement of 61.03 cubic inches (997.97 cc), achieved through its 3.675 inches (93.37 mm) bore and 3.875 inches (98.43 mm) stroke. This engine is known for its robust construction, with its cast-iron cylinders and heavy-duty forged connecting rods.
The 38-1124 EL 61 engine is equipped with a typical Knucklehead valve train, featuring overhead valves operated by pushrods and rocker arms. The valves themselves are a 1.75-inch (44.45 mm) intake and 1.6-inch (40.64 mm) exhaust. The engine also features a single-plane, finned aluminum cylinder head with two intake and one exhaust valve per cylinder.
The 38-1124 EL 61 engine is mated to a 3-speed transmission, which is operated by a foot-controlled clutch. It delivers a smooth and powerful ride, with its estimated horsepower ranging from 40 to 50, depending on the specific configuration.
In terms of aesthetics, the 38-1124 EL 61 engine is a work of art. Its distinctive knuckle-style rocker covers, which gave the engine its name, are a standout feature. The engine also features finned aluminum oil and timing covers, which not only improve cooling but also add to its visual appeal.
In conclusion, the 38-1124 1938 Knucklehead EL 61 engine is a piece of motorcycling history. Its robust construction, powerful performance, and iconic design make it a highly sought-after component among Harley-Davidson enthusiasts and collectors. Whether you're looking to restore a classic motorcycle or simply appreciate the engineering prowess of a bygone era, the 38-1124 EL 61 engine is an excellent addition to any collection.
Pros of buying a 38-1124 1938 Knucklehead EL 61 engine for Harley-Davidson:1. Historical significance: The Knucklehead is one of the most iconic designs in Harley-Davidson's history. Owning a piece of this legacy can be a source of pride and pleasure for enthusiasts.
2. Powerful and reliable: The Knucklehead engine is known for its power and reliability. It delivers a smooth and strong ride, making it a popular choice for custom builds and vintage enthusiasts.
3. Rare and collectible: The 1938 EL 61 engine is a rare model, making it a valuable collectible item. Its scarcity can increase its resale value over time.
Cons of buying a 38-1124 1938 Knucklehead EL 61 engine for Harley-Davidson:1. Costly maintenance and repairs: The Knucklehead engine can be expensive to maintain and repair, as parts are no longer readily available and may require custom fabrication.
2. Limited performance: Compared to modern engines, the Knucklehead may not offer the same level of performance or fuel efficiency.
3. Requires expertise: The Knucklehead engine requires a certain level of expertise and knowledge to maintain and operate. It may not be the best choice for beginners or those looking for a simple and easy-to-maintain bike.
Conclusion:The 38-1124 1938 Knucklehead EL 61 engine for Harley-Davidson is a valuable collectible that offers a powerful and reliable ride, but it also comes with significant costs and maintenance requirements. If you have the expertise, the passion for vintage motorcycles, and the budget, then this engine can be a great addition to your collection. However, if you are looking for a practical and affordable bike for everyday use, then you may want to consider other options.
Recommendation:If you're interested in owning a piece of Harley-Davidson's history, then the 38-1124 1938 Knucklehead EL 61 engine is a worthy consideration. Just be prepared for the costs and maintenance requirements associated with it. If you're not an expert mechanic or not willing to invest the time and money into maintaining an older engine, then you may want to consider a newer model or a different brand of motorcycle.
Never repaired, welded, no cracks, damage free, all threaded bolt and screw holes are in excellent condition Knucklehead el 61 right hand engine case, mint. Fitment should be from 1936 to 1947 el engines. Number this is as good it gets in an original vintage Knucklehead engine case.