1948 Harley-Davidson S-125

The Harley-Davidson Aermacchi is sold for $6,800 on Bring a Trailer. See Friday's Watchlist AI fair value, deal score, hammer-price prediction, and bidding intelligence for this Harley-Davidson Aermacchiauction.

The 1948 Harley-Davidson S-125 is a unique piece of motorcycle history, showcasing the brand's commitment to innovation and style. This particular model has been refurbished to a high standard, featuring a sleek semi-gloss black finish and a striking silver girder fork. With only 1 mile shown on the odometer, this bike is practically new, having undergone extensive restoration that included refreshing the engine and replacing numerous components. The three-speed transmission and left-side kick starter add to its charm, making it a perfect collector's item for enthusiasts of vintage motorcycles. Its rarity and condition position it as a desirable piece for collectors and those looking to own a piece of Harley-Davidson's storied past.

• Make: Harley-Davidson
• Model: Aermacchi
• Engine: 125cc Two-Stroke Single
• VIN: 48S8614

Seller's description via Bring a Trailer: This 1948 Harley-Davidson S-125 was acquired by the current owner in 2026 and subsequently refurbished, which included refinishing the bike in semi-gloss black and the girder fork in silver, as well as refreshing the 125cc two-stroke single and replacing the muffler, wiring harness, taillight bracke