Back to Bike FinderYears: 1975 · 1974 · 1973 · 1972
Honda CB 450 disc
1975Classic

Honda CB 450 disc

Key specifications

Engine
445 cc
Power
45 HP
Fuel type
petrol
Fuel capacity
3.7 L
Transmission
5-speed
Front brakes
Single disc
Rear brakes
Expanding brake

Overview

### Discovering the 1975 Honda CB 450 Disc: A Classic Champion The 1975 Honda CB 450 Disc stands as a testament to the golden age of motorcycling, embodying the spirit of innovation and performance that Honda became renowned for in the mid-20th century. Positioned as a classic motorcycle, the CB 450 Disc was designed for riders who craved both style and substance. With its sleek lines and timeless design, it appeals to vintage enthusiasts and collectors alike, while also offering a thrilling ride for those who appreciate the art of two-wheeled engineering. At the heart of the Honda CB 450 lies a robust 445cc twin-cylinder, four-stroke engine, delivering a spirited 45 horsepower at a brisk 9000 RPM. This powertrain not only allows for a top speed of 171 km/h (106.3 mph) but also provides a thrilling acceleration that makes every ride an exhilarating experience. The bike’s 5-speed gearbox and chain final drive ensure smooth shifting and reliable power delivery, making it a joy to navigate through winding roads or urban landscapes. Coupled with a compression ratio of 9.0:1, the CB 450 offers spirited performance while maintaining an air-cooled simplicity that adds to its classic charm. One of the standout features of the 1975 model is its pioneering single disc front brake, a technology that was ahead of its time, significantly enhancing stopping power and rider confidence. This innovation, paired with the traditional expanding brake at the rear, provides a balanced and responsive braking experience. The lightweight chassis, weighing in at just 204 kg (449.7 lbs) with fluids, contributes to the bike's maneuverability, making it a nimble choice for both city commuting and spirited weekend rides. With a fuel capacity of 14 liters (3.70 gallons), the CB 450 offers an excellent range, ensuring that riders can enjoy longer journeys without frequent stops for refueling. ####

Pros

    Cons

    • Innovative Braking System: The single disc front brake offers superior stopping power, enhancing rider safety and control.
    • Nimble Handling: Its lightweight frame and responsive performance make the CB 450 a joy to ride in various conditions.
    • Classic Aesthetic: The vintage design appeals to collectors and enthusiasts, making it a coveted piece of motorcycle history.
    • Limited Power for Highway Cruising: While it performs well in many conditions, some riders might find the power less than ideal for extended highway use compared to modern bikes.
    • Air-Cooled Engine Limitations: The air-cooled design can be less efficient in extreme heat compared to liquid-cooled systems, potentially affecting performance on hot days.
    • Maintenance Availability: Parts for a classic model may be harder to find, possibly complicating maintenance and repair for owners.

    Technical details

    Source specification data

    Make
    Honda
    Model
    CB 450 disc
    Category
    Classic
    Power
    45.00 HP (32.8 kW)) @ 9000 RPM
    Gearbox
    5-speed
    Top Speed
    171.0 km/h (106.3 mph)
    Bore X Stroke
    70.0 x 57.8 mm (2.8 x 2.3 inches)
    Compression
    9.0:1
    Displacement
    445.00 ccm (27.15 cubic inches)
    Cooling System
    Air
    Engine Details
    Twin, four-stroke
    Valves Per Cylinder
    2
    Transmission Type Final Drive
    Chain
    Fuel Capacity
    14.00 litres (3.70 gallons)
    Weight Incl Oil Gas Etc
    204.0 kg (449.7 pounds)
    Rear Tyre
    3.50-18
    Front Tyre
    3.25-18
    Rear Brakes
    Expanding brake
    Front Brakes
    Single disc