Auto123: Unveiling the Secrets of the Legendary Honda CB750 DOHC

The Honda CB750 DOHC is a classic motorcycle that was first introduced in 1969. It was one of the first motorcycles to feature a double overhead camshaft (DOHC) engine, which gave it more power and torque than its competitors. The CB750 DOHC was also notable for its smooth handling and comfortable ride.

The CB750 DOHC was a huge success for Honda, and it helped to establish the company as a major player in the motorcycle industry. The bike was also raced successfully, and it won several championships in the early 1970s. Today, the CB750 DOHC is still considered to be one of the best motorcycles ever made, and it remains a popular choice for collectors and enthusiasts.

Here are some of the benefits of the Honda CB750 DOHC:

Powerful and torquey engine
Smooth handling and comfortable ride
Classic styling
Reliable and easy to maintain

If you are looking for a classic motorcycle that is fun to ride and easy to own, the Honda CB750 DOHC is a great option.

Honda CB750 DOHC

Unveiled in 1969, the Honda CB750 DOHC is an iconic motorcycle that set new standards in performance and design. Its impact extends beyond its technical prowess, influencing the motorcycle industry and capturing the imagination of enthusiasts.

Engine: Inline-four, DOHC, air-cooled
Displacement: 736cc
Power: 67 hp
Torque: 52 lb-ft
Top speed: 125 mph
0-60 mph: 4.5 seconds
Weight: 450 pounds
Price: $1,495 (1969)

The CB750 DOHC's influence is evident in its numerous accolades and lasting legacy. It was named "Machine of the Year" by Cycle World magazine in 1969 and inducted into the Motorcycle Hall of Fame in 1998. Its combination of power, handling, and reliability made it a favorite among riders and racers alike. The CB750 DOHC helped to establish Honda as a global leader in motorcycle manufacturing and set the stage for future innovations in the industry.

Engine

The Honda CB750 DOHC's engine is a significant component that played a crucial role in its success and impact. Its inline-four configuration, double overhead camshaft (DOHC) design, and air-cooling system contributed to the bike's impressive performance and reliability.

The inline-four engine layout allowed for a compact and efficient design, while the DOHC configuration enabled precise valve timing and increased power output. The air-cooling system, though less efficient than liquid-cooling, was simpler and lighter, contributing to the bike's overall weight reduction.

The combination of these features resulted in an engine that was powerful, responsive, and reliable. The CB750 DOHC's engine set a new standard for motorcycle performance and became a benchmark for other manufacturers to follow. It also demonstrated the potential of air-cooled engines, which were previously considered inferior to liquid-cooled designs.

Overall, the Honda CB750 DOHC's engine was a key factor in its success and influence on the motorcycle industry. Its innovative design and impressive performance continue to inspire and captivate enthusiasts to this day.

Displacement

The displacement of the Honda CB750 DOHC's engine is 736cc, which refers to the total volume swept by all of the pistons in the engine during one complete combustion cycle. This measurement is significant because it provides insights into the engine's size, power output, and overall performance characteristics.

Power and Torque: Engine displacement is directly related to power and torque output. Generally, larger displacement engines produce more power and torque than smaller displacement engines. The CB750 DOHC's 736cc displacement contributes to its impressive power and torque figures, making it a capable performer on the road and track.
Fuel Efficiency: Displacement can also influence fuel efficiency. Larger displacement engines typically consume more fuel than smaller displacement engines, especially when operated at high power levels. However, the CB750 DOHC's efficient design and advanced engineering help to mitigate fuel consumption, providing a balance between performance and economy.
Emissions: Displacement can also impact emissions output. Larger displacement engines tend to produce more emissions than smaller displacement engines, due to the increased amount of fuel being burned. However, the CB750 DOHC's advanced emission control systems help to reduce emissions, making it compliant with environmental regulations.
Taxation and Insurance: In some countries, engine displacement is used as a basis for taxation and insurance premiums. Vehicles with larger displacement engines may incur higher taxes and insurance costs. It is important to consider these factors when choosing a motorcycle, especially if displacement is a significant factor in your decision-making process.

Overall, the 736cc displacement of the Honda CB750 DOHC's engine is a key factor in its performance, efficiency, emissions, and cost of ownership. Understanding the significance of displacement can help you make informed decisions when evaluating and comparing different motorcycles.

Power

The Honda CB750 DOHC's power output of 67 hp is a significant figure that showcases the bike's performance capabilities and sets it apart from its contemporaries. This power output is achieved through a combination of advanced engine design and efficient engineering.

Engine Design: The CB750 DOHC's inline-four engine layout, double overhead camshaft (DOHC) design, and air-cooling system contribute to its impressive power output. The inline-four configuration allows for a compact and efficient design, while the DOHC system enables precise valve timing, optimizing engine performance. The air-cooling system, though less efficient than liquid-cooling, helps reduce weight and contributes to the bike's overall agility.
Fuel System: The CB750 DOHC's fuel system is designed to deliver a precise air-fuel mixture to the engine, ensuring optimal combustion and maximizing power output. The carburetors are carefully tuned to match the engine's performance characteristics, providing smooth and responsive throttle response throughout the rev range.
Exhaust System: The CB750 DOHC's exhaust system is designed to enhance engine performance and power output. The exhaust system's design helps to reduce backpressure, allowing the engine to breathe more efficiently and produce more power. Additionally, the exhaust system's tuning contributes to the bike's distinctive sound, adding to its overall character.
Rider Experience: The CB750 DOHC's 67 hp power output translates into an exhilarating riding experience. The bike's responsive engine and smooth power delivery provide a sense of control and confidence, making it enjoyable to ride in various conditions. The bike's power is also sufficient for overtaking and maintaining highway speeds, making it a capable all-around performer.

In conclusion, the Honda CB750 DOHC's power output of 67 hp is a testament to its advanced engineering and design. It contributes to the bike's impressive performance, making it a thrilling and capable ride both on the road and track.

Torque

Torque, measured in pound-feet (lb-ft), plays a crucial role in understanding the performance characteristics of the Honda CB750 DOHC motorcycle. Torque measures the twisting force produced by the engine, indicating its ability to accelerate and maintain speed. The CB750 DOHC's torque output of 52 lb-ft contributes significantly to its impressive performance and handling.

The CB750 DOHC's torquey engine provides several advantages:

Strong Acceleration: The high torque output enables the CB750 DOHC to accelerate quickly and smoothly, providing a thrilling riding experience. The bike can easily overtake other vehicles and navigate challenging road conditions with confidence.
Excellent Low-End Power: The CB750 DOHC's torquey nature provides ample power at low engine speeds, making it easy to ride in urban environments or navigate tight corners. The bike's responsive engine allows for effortless acceleration from a standstill or at low speeds.
Improved Traction: The CB750 DOHC's torquey engine provides better traction, especially on slippery or uneven surfaces. The bike's ability to maintain traction enhances stability and control, inspiring confidence in the rider.

In summary, the Honda CB750 DOHC's torque output of 52 lb-ft is a key factor in its performance and handling capabilities. The bike's strong acceleration, excellent low-end power, and improved traction make it a pleasure to ride in various conditions, from spirited highway cruising to navigating urban streets.

Top speed

The Honda CB750 DOHC's top speed of 125 mph is a testament to its impressive performance capabilities and engineering prowess. This remarkable speed sets the CB750 DOHC apart from its contemporaries and contributes to its status as an iconic motorcycle.

Engine Power and Design: The CB750 DOHC's inline-four engine, with its double overhead camshaft (DOHC) design, is a key factor in achieving its high top speed. The DOHC system optimizes valve timing, improving engine efficiency and power output. Additionally, the bike's air-cooling system contributes to its lightweight design, further enhancing its speed capabilities.
Aerodynamics: The CB750 DOHC's sleek and aerodynamic design plays a crucial role in reducing wind resistance and drag. Its streamlined bodywork and crouched riding position allow it to slice through the air with minimal resistance, enabling it to reach higher speeds.
Power-to-Weight Ratio: The CB750 DOHC's impressive power-to-weight ratio is another contributing factor to its high top speed. The bike's lightweight design, combined with its powerful engine, gives it an excellent power-to-weight ratio, resulting in impressive acceleration and top speed capabilities.
Braking System: The CB750 DOHC's braking system is designed to provide exceptional stopping power and control, ensuring rider safety at high speeds. Its dual disc brakes in the front and a single disc brake in the rear offer reliable and responsive braking, allowing riders to confidently navigate high-speed situations.

In conclusion, the Honda CB750 DOHC's top speed of 125 mph is a result of its advanced engineering, powerful engine, aerodynamic design, impressive power-to-weight ratio, and effective braking system. These factors combine to make the CB750 DOHC a thrilling and capable motorcycle that delivers an exhilarating riding experience.

0-60 mph

The Honda CB750 DOHC's impressive acceleration, as measured by its 0-60 mph time of 4.5 seconds, is a direct result of its advanced engineering and design. This remarkable performance sets the CB750 DOHC apart from its contemporaries and contributes to its status as an iconic motorcycle.

Several key factors contribute to the CB750 DOHC's rapid acceleration:

Powerful Engine: The CB750 DOHC's inline-four engine, with its double overhead camshaft (DOHC) design, produces ample power and torque, providing the necessary thrust for quick acceleration.
Lightweight Design: The CB750 DOHC's lightweight construction, achieved through the use of lightweight materials and a compact design, reduces overall vehicle weight, resulting in a better power-to-weight ratio and improved acceleration.
Optimized Gear Ratios: The CB750 DOHC's transmission is carefully engineered with optimized gear ratios, allowing for smooth and efficient power delivery, maximizing acceleration performance.

The CB750 DOHC's 0-60 mph time of 4.5 seconds is not merely a statistic; it translates into a thrilling and engaging riding experience. The bike's rapid acceleration provides riders with a sense of exhilaration and control, making it an ideal choice for spirited riding and overtaking maneuvers.

Furthermore, the CB750 DOHC's impressive acceleration is not only limited to straight-line performance. Its agile handling and responsive nature make it a joy to ride on winding roads and through city traffic, where quick acceleration and maneuverability are essential.

In conclusion, the Honda CB750 DOHC's 0-60 mph time of 4.5 seconds is a testament to its exceptional engineering and design. This impressive acceleration performance contributes to the bike's overall riding experience, making it a thrilling and capable machine for various riding scenarios.

Weight

The weight of the Honda CB750 DOHC, at 450 pounds, plays a crucial role in defining its performance, handling, and overall riding experience. This relatively low weight, achieved through careful engineering and design, contributes to several key aspects of the CB750 DOHC's character.

Acceleration and Speed: The CB750 DOHC's light weight enhances its acceleration and top speed capabilities. The bike's impressive power-to-weight ratio allows for quick and responsive acceleration, making it a thrilling machine to ride.
Agility and Handling: The reduced weight contributes to the CB750 DOHC's agile handling and maneuverability. The bike feels nimble and responsive, making it easy to navigate through corners and navigate dense urban traffic.
Fuel Efficiency: The CB750 DOHC's lightweight design also contributes to its fuel efficiency. A lighter vehicle requires less energy to accelerate and maintain speed, resulting in improved.
Suspension and Comfort: The optimized weight distribution of the CB750 DOHC allows for a well-balanced suspension setup. The bike's suspension can effectively absorb bumps and road irregularities, providing a comfortable ride for the rider.

In conclusion, the weight of 450 pounds is a significant factor in the Honda CB750 DOHC's performance, handling, and overall riding experience. The bike's lightweight design contributes to its impressive acceleration, agility, fuel efficiency, and suspension performance, making it a well-rounded and enjoyable motorcycle to ride.

Price

The price of the Honda CB750 DOHC upon its release in 1969, at $1,495, played a pivotal role in its success and impact on the motorcycle industry. This price point was a significant factor in making the CB750 DOHC accessible to a wider range of riders, contributing to its widespread popularity and influence.

Prior to the CB750 DOHC's introduction, high-performance motorcycles were often prohibitively expensive, limiting their ownership to a select few. However, Honda's decision to price the CB750 DOHC competitively made it an attractive option for enthusiasts who previously could not afford a top-of-the-line motorcycle. This strategic pricing strategy opened up the market for high-performance motorcycles and fueled the growth of the industry as a whole.

Furthermore, the CB750 DOHC's price-to-performance ratio was exceptional. It offered riders a combination of power, handling, and reliability that was unmatched by its competitors at a similar price point. This value proposition made the CB750 DOHC an instant success, with over 100,000 units sold in its first year of production.

In conclusion, the price of $1,495 (1969) was a crucial factor in the success of the Honda CB750 DOHC. It made high-performance motorcycling more accessible, expanded the market, and set a benchmark for value in the industry. The CB750 DOHC's pricing strategy continues to influence motorcycle manufacturers to this day, emphasizing the importance of balancing performance, affordability, and accessibility in product development.

Frequently Asked Questions about the Honda CB750 DOHC

The Honda CB750 DOHC is an iconic motorcycle that has captured the imagination of riders and enthusiasts for decades. Here are answers to some of the most frequently asked questions about this legendary machine:

Question 1: What is the significance of the CB750 DOHC?

The CB750 DOHC was a groundbreaking motorcycle when it was first introduced in 1969. It was one of the first motorcycles to feature a double overhead camshaft (DOHC) engine, which gave it more power and torque than its competitors. The CB750 DOHC also had a smooth ride and excellent handling, making it a favorite among riders of all skill levels.

Question 2: How powerful is the CB750 DOHC?

The CB750 DOHC produces 67 horsepower and 52 lb-ft of torque. This makes it a powerful motorcycle, even by today's standards.

Question 3: How fast is the CB750 DOHC?

The CB750 DOHC has a top speed of 125 mph. It can accelerate from 0 to 60 mph in 4.5 seconds.

Question 4: How much does the CB750 DOHC weigh?

The CB750 DOHC weighs 450 pounds.

Question 5: How much did the CB750 DOHC cost when it was new?

The CB750 DOHC cost $1,495 when it was first introduced in 1969.

Question 6: Is the CB750 DOHC still a good motorcycle today?

Yes, the CB750 DOHC is still a good motorcycle today. It is a classic motorcycle that is fun to ride and easy to maintain. However, it is important to note that the CB750 DOHC is a vintage motorcycle and may not have all of the modern features that are found on newer motorcycles.

Overall, the Honda CB750 DOHC is a legendary motorcycle that has stood the test of time. It is a powerful, fast, and reliable motorcycle that is still a joy to ride today.

Tips for Maintaining Your Honda CB750 DOHC

The Honda CB750 DOHC is a classic motorcycle that is known for its reliability and performance. However, like all machines, it requires regular maintenance to keep it running at its best. Here are five tips to help you maintain your CB750 DOHC:

Tip 1: Change the oil and filter regularly.

The oil in your motorcycle's engine lubricates the moving parts and helps to keep it cool. Over time, the oil can become contaminated with dirt and metal shavings. This can lead to increased wear and tear on the engine, so it is important to change the oil and filter regularly. The recommended oil change interval for the CB750 DOHC is every 3,000 miles.

Tip 2: Check the tire pressure regularly.

The tire pressure on your motorcycle can affect its handling, stability, and fuel efficiency. Incorrect tire pressure can also lead to premature tire wear. The recommended tire pressure for the CB750 DOHC is 32 psi front and 36 psi rear.

Tip 3: Clean the air filter regularly.

The air filter on your motorcycle helps to keep dirt and debris out of the engine. A dirty air filter can restrict airflow to the engine, which can lead to decreased performance and fuel efficiency. The recommended air filter cleaning interval for the CB750 DOHC is every 12,000 miles.

Tip 4: Inspect the brake pads regularly.

The brake pads on your motorcycle are responsible for slowing it down and stopping it. Worn brake pads can reduce the effectiveness of your brakes, so it is important to inspect them regularly. The recommended brake pad inspection interval for the CB750 DOHC is every 6,000 miles.

Tip 5: Have your motorcycle serviced by a qualified mechanic regularly.

Even if you are comfortable performing basic maintenance on your motorcycle, it is important to have it serviced by a qualified mechanic regularly. A qualified mechanic can inspect your motorcycle for any potential problems and make sure that it is running at its best.

By following these tips, you can help to keep your Honda CB750 DOHC running smoothly for many years to come.

Conclusion

The Honda CB750 DOHC is a legendary motorcycle that has had a profound impact on the motorcycle industry. Its combination of power, handling, and reliability made it a favorite among riders of all skill levels, and its affordable price made it accessible to a wide range of enthusiasts. Today, the CB750 DOHC is still considered to be one of the best motorcycles ever made, and it continues to be a popular choice for collectors and riders alike.

The CB750 DOHC's legacy is one of innovation and excellence. It was the first motorcycle to feature a double overhead camshaft (DOHC) engine, and its design has been copied by countless other manufacturers. The CB750 DOHC also set a new standard for performance and reliability, and it helped to establish Honda as a leader in the motorcycle industry.

The CB750 DOHC is a timeless classic that continues to inspire and captivate riders. It is a motorcycle that is truly worthy of its iconic status.