What is the engine displacement of the BSA 25 Star?

The BSA 25 Star has an engine displacement of 247.0 ccm (15.07 cubic inches).

How much horsepower does the BSA 25 Star have?

The BSA 25 Star produces 26.0 HP (19.0 kW )) @ 7250 RPM of power.

What is the top speed of the BSA 25 Star?

The BSA 25 Star has a top speed of 135.0 km/h (83.9 mph).

BSA 25 Star Price, Specs, Review

📖

Review

⌄

The 1970 BSA B25 Star is a classic British single, embodying the simple charm of small-displacement motorcycles from that era. Its 247cc engine produces a modest 26 horsepower at 7250 rpm, providing enough pep for city riding and backroad exploration. With a top speed of around 84 mph, the B25 Star isn't built for high-speed thrills, but rather for enjoying the journey. The four-speed gearbox allows the rider to make the most of the engine's power, while the 3.7-gallon fuel tank offers a reasonable range for day trips. The B25 Star's ergonomics are typical of its time, with an upright riding position and a slim profile. It's a lightweight and nimble machine, making it easy to handle in urban environments. The expanding brake on the front wheel provides adequate stopping power for its performance capabilities. This motorcycle is aimed at riders who appreciate vintage motorcycles, enjoy simple mechanics, and seek a classic riding experience. In essence, the 1970 BSA B25 Star is a charming and practical motorcycle that embodies the spirit of British motorcycling in the 1970s. Its small engine, lightweight design, and classic styling make it an appealing choice for riders who value simplicity and nostalgia.

👍

Pros (Advantages)

⌄

✅ Why buy this bike?

• Lightweight and nimble, making it excellent for city commuting and navigating tight spaces. • Simple, reliable single-cylinder engine is easy to maintain and very forgiving for new riders. • Classic British styling offers a timeless aesthetic, appealing to vintage motorcycle enthusiasts. • Good fuel economy due to its small engine, reducing running costs significantly. • Relatively low purchase price and readily available parts make it an affordable classic. • Easy to kick-start due to low compression, even for riders with less experience.

👎

Cons (Disadvantages)

⌄

⚠️ Things to consider

• Limited top speed and acceleration, struggling on modern highways or longer journeys. • Vibrations can become noticeable at higher RPMs, leading to rider fatigue on longer rides. • Braking performance is adequate for its era but lacks the stopping power of modern systems. • Electrical system can be rudimentary, potentially leading to reliability issues without upgrades. • Parts, while available, may require sourcing from specialist suppliers or restorers.

🪪

License Class (EU)

⌄

The BSA 25 Star produces 26 HP, fitting A2 license limits (max 35 kW / 47 HP). For riders 18+.

⛽

Fuel Economy & Running Costs

⌄

Estimated average for 247cc class: 55-80 mpg (3.0-4.5 L/100km)

⛽ Tank: 14.00 litres (3.70 US gallons)

🛡️

Insurance Class

⌄