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Plymouth Today
By the People, for the People
1974 Moto Guzzi Eldorado 850 Heads to Auction
Vintage Italian motorcycle with extensive restoration work up for no-reserve sale
Published on Feb. 22, 2026
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A 1974 Moto Guzzi Eldorado 850 motorcycle is heading to auction with Bring a Trailer. The bike was purchased by the current seller in 2014 from the original owner and has since undergone a comprehensive restoration, including engine top-end work, carburetor rebuilds, and replacement of various components.
Why it matters
The Moto Guzzi Eldorado was an iconic Italian motorcycle model in the 1970s, known for its distinctive longitudinal V-twin engine layout and classic styling. This well-maintained and restored example represents an opportunity for collectors and enthusiasts to acquire a piece of motorcycle history.
The details
The Eldorado is finished in black with white pinstriping and chrome accents. It features a 5.5-gallon fuel tank, a replacement solo saddle, hard-sided saddlebags, and chrome fenders. The bike is equipped with a five-speed transmission, an enclosed driveshaft, and a chrome dual-exhaust system with Dunstall-style slip-on mufflers. Mechanical work includes a top-end overhaul, carburetor rebuilds, and replacement of various components.
- The bike was purchased by the current seller in 2014.
- The engine top-end overhaul was performed at Millennium Technologies of Plymouth, Wisconsin, in 2023.
- The carburetors were rebuilt at Moto Guzzi Classics of Signal Hill, California, in 2023.
- The airbox rubber, air filter, and choke cable were replaced at Mother Road Motorsports of Tulsa, Oklahoma, in December 2024.
- The bike's tires were replaced in December 2024.
The players
Bring a Trailer
An online auction platform that specializes in vintage and classic cars.
Millennium Technologies
A motorcycle repair shop located in Plymouth, Wisconsin, that performed the engine top-end overhaul on the Moto Guzzi Eldorado.
Moto Guzzi Classics
A motorcycle repair shop located in Signal Hill, California, that rebuilt the carburetors on the Moto Guzzi Eldorado.
Mother Road Motorsports
A motorcycle repair shop located in Tulsa, Oklahoma, that replaced the airbox rubber, air filter, and choke cable on the Moto Guzzi Eldorado.
What’s next
The 1974 Moto Guzzi Eldorado 850 will be auctioned off on Bring a Trailer with no reserve.
The takeaway
This well-maintained and restored 1974 Moto Guzzi Eldorado 850 represents an opportunity for collectors and enthusiasts to acquire a piece of iconic Italian motorcycle history.

