What is the engine displacement of the 1938 BMW R 66?

The 1938 BMW R 66 has an engine displacement of 596.0 ccm (36.37 cubic inches).

How much horsepower does the 1938 BMW R 66 have?

The 1938 BMW R 66 produces 30.1 HP (21.9 kW )) @ 5300 RPM of power.

What is the top speed of the 1938 BMW R 66?

The 1938 BMW R 66 has a top speed of 145.0 km/h (90.1 mph).

1938 BMW R 66 Price, Specs, Review

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Review

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The 1938 BMW R 66 shares many characteristics with its 1939 counterpart, embodying the pre-war BMW design ethos. The 596cc engine delivers around 30 horsepower, providing sufficient power for comfortable cruising and moderate acceleration. Its top speed is approximately 90 mph, suitable for the road conditions of the time. The 14-liter fuel tank allows for decent range, making it practical for longer rides. The riding position on the R 66 is likely upright and comfortable, designed for touring and everyday use. The 4-speed gearbox provides a range of gears suitable for varied terrain. The front suspension employs a cartridge system, offering improved damping compared to simpler designs. Braking is handled by expanding drum brakes, typical for motorcycles of this era. The R 66 is best suited for vintage motorcycle enthusiasts who appreciate the history and engineering of pre-war machines. It requires a rider who understands and respects its limitations, offering a unique riding experience that connects the rider to a bygone era. Its classic styling and robust construction make it a desirable piece for collectors and riders alike.

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Pros (Advantages)

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✅ Why buy this bike?

• Historically significant early BMW, representing a pivotal moment in motorcycle engineering and design. • Robust shaft drive system offers low maintenance and reliable power transfer compared to chain alternatives. • Durable flat-twin boxer engine configuration provides good balance and a low center of gravity. • Relatively comfortable ride for its era due to plunger rear suspension and sprung front forks. • Excellent parts availability for a pre-war motorcycle, supported by a strong enthusiast community. • Strong collector's item, appreciating in value due to rarity and historical importance.

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Cons (Disadvantages)

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⚠️ Things to consider

• Limited braking performance by modern standards, relying on drum brakes with less stopping power. • Low horsepower output (around 30 hp) results in modest acceleration and top speed. • No modern safety features like ABS or traction control, requiring skilled and cautious riding. • High maintenance requirements compared to modern bikes, needing frequent adjustments and care. • Expensive to acquire and restore, often requiring specialized parts and labor. • Challenging to ride in modern traffic due to slow response and limited maneuverability.

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License Class (EU)

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The BMW R 66 produces 30 HP, fitting A2 license limits (max 35 kW / 47 HP). For riders 18+.

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Fuel Economy & Running Costs

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Estimated average for 596cc class: 45-60 mpg (4.0-5.5 L/100km)

⛽ Tank: 14.00 litres (3.70 US gallons)

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Insurance Class

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