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Bmw R Series (r80 Or R100) Cafe Racer Custom
BMW's R-series airhead boxers, including the R80 and R100, were produced from the mid-1970s through the early 1990s, carrying on BMW's iconic horizontally-opposed twin-cylinder legacy that dates back to 1923. The R100RS (1976) was the world's first production motorcycle with a full fairing developed in a wind tunnel, while the R80G/S (1980) pioneered the modern adventure-touring segment. These robust, long-lived engines became a favorite platform for café racer customs due to their low center of gravity, torquey character, classic aesthetics, and virtually indestructible nature, inspiring a thriving custom scene that continues today.
R80: ~50 hp
Power
195–215 kg wet/curb weight
Weight
175–200 km/h (R100-based builds; varies by gearing and fairing)
Top Speed
5.0–6.5 L/100km (approximately 15–20 km/L, typical real-world average)
Fuel
Naked
Body
What Buyers Should Know
Bulletproof Airhead Engine
The air-cooled boxer twin engine in the R80/R100 is legendary for reliability, with many examples exceeding 200,000 miles when properly maintained. Valve adjustments every 6,000 miles are critical to longevity.
Watch the Airhead Seals
Common issues include leaking rocker cover gaskets, worn final drive seals, and cracked rubber carb boots that cause rough running. Always inspect for oil weeping around the heads before buying.
Strong Cafe Racer Value
Quality café racer customs built on the R80/R100 platform hold and appreciate in value, with well-executed builds fetching $8,000–$15,000+. Originality of the café conversion and quality of components greatly impact resale price.
Full Specifications
Rivals & Alternatives
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