The 1981 Honda CX500 and CX650, also known as the Custom or Luxe, were Honda's first venture into the world of V-twin motorcycles.
Both the CX500 and CX650 were powered by a 4-stroke, 8-valve, liquid-cooled, 90 V-twin engine. The CX500 engine displaced 497 cc and produced 50 horsepower, while the CX650 engine displaced 673 cc and produced 63 horsepower. Both engines were mated to a 5-speed transmission.
The CX500 and CX650 were both popular motorcycles, and they helped to establish Honda as a major player in the V-twin market. The CX500 was particularly popular with new riders, as it was easy to ride and handle. The CX650 was a more powerful motorcycle, and it was popular with experienced riders who wanted a comfortable and reliable motorcycle for touring or commuting.
1981 Honda CX
The 1981 Honda CX marked a significant milestone in the evolution of Honda motorcycles, introducing several key aspects that would shape the future of the company's V-twin offerings.
- Liquid-cooled engine: The CX500 and CX650 were Honda's first production motorcycles to feature liquid-cooled engines, providing improved cooling efficiency and performance.
- V-twin configuration: The V-twin engine layout offered a compact and efficient design, with a smooth power delivery and reduced vibration compared to inline engines.
- Shaft drive: The CX models utilized a shaft drive system instead of a chain or belt, providing a cleaner and more reliable power transmission.
- ComStar wheels: The unique ComStar wheels combined cast aluminum spokes with a steel rim, offering a lightweight and durable design.
- Comfortable ergonomics: The CX500 and CX650 were designed with a comfortable upright riding position, making them suitable for long-distance riding.
- Advanced features: Both models featured a range of advanced features for their time, including electric starters, self-canceling turn signals, and halogen headlights.
- Versatility: The CX500 and CX650 were versatile motorcycles, capable of handling a variety of riding styles, from commuting to touring.
- Styling: The CX models had a distinctive and futuristic styling, with a sharp-edged design and angular bodywork.
These key aspects combined to create a motorcycle that was both innovative and practical, and the 1981 Honda CX500 and CX650 remain popular choices among vintage motorcycle enthusiasts today.
Liquid-cooled engine
The introduction of liquid-cooled engines in the 1981 Honda CX500 and CX650 represented a significant advancement in motorcycle technology. Prior to this, most motorcycles relied on air-cooled engines, which were less efficient at dissipating heat. Liquid-cooled engines, on the other hand, use a coolant (typically water or a water-glycol mixture) to circulate heat away from the engine and into a radiator, where it is dissipated into the atmosphere.
The benefits of liquid-cooling are numerous. First, it allows the engine to run at a lower operating temperature, which reduces wear and tear on engine components and improves overall engine longevity. Second, liquid-cooling provides more consistent engine temperatures, which can improve performance and fuel efficiency. Third, liquid-cooled engines are less likely to overheat in hot weather or during extended periods of operation.
The use of liquid-cooled engines in the 1981 Honda CX500 and CX650 was a major factor in their success. These motorcycles were known for their reliability, durability, and performance, and their liquid-cooled engines played a key role in these qualities.
V-twin configuration: The V-twin engine layout offered a compact and efficient design, with a smooth power delivery and reduced vibration compared to inline engines.
The V-twin engine layout is a popular choice for motorcycles due to its inherent advantages. In the case of the 1981 Honda CX500 and CX650, the V-twin configuration played a crucial role in shaping the overall character and performance of these motorcycles.
One of the key benefits of the V-twin configuration is its compact design. The V-twin engine is narrower than an inline engine with the same displacement, which allows for a more compact and streamlined motorcycle. This was a significant advantage for the 1981 Honda CX500 and CX650, as it allowed Honda to create motorcycles that were both powerful and agile.
Another advantage of the V-twin configuration is its smooth power delivery. The V-twin engine's firing order creates a natural balance that results in less vibration than an inline engine. This makes for a more comfortable and enjoyable riding experience, especially on long rides.
The V-twin configuration also contributes to the reduced vibration of the 1981 Honda CX500 and CX650. The V-twin engine's inherent balance helps to cancel out vibrations, resulting in a smoother ride. This is especially noticeable at higher speeds, where inline engines can become quite vibey.
Overall, the V-twin configuration was an excellent choice for the 1981 Honda CX500 and CX650. It allowed Honda to create motorcycles that were compact, powerful, smooth, and comfortable to ride.
Shaft drive: The CX models utilized a shaft drive system instead of a chain or belt, providing a cleaner and more reliable power transmission.
The use of a shaft drive system in the 1981 Honda CX500 and CX650 was a significant departure from the chain or belt drive systems commonly used on motorcycles at the time. Shaft drive systems offer a number of advantages over chain or belt drives, including:
- Cleanliness: Shaft drives are enclosed, which means that they do not throw oil or grease onto the rider or the motorcycle. This makes shaft drives much cleaner and easier to maintain than chain or belt drives.
- Reliability: Shaft drives are generally more reliable than chain or belt drives. This is because shaft drives are not subject to the same wear and tear as chain or belt drives. Shaft drives also do not require the same level of maintenance as chain or belt drives.
- Durability: Shaft drives are more durable than chain or belt drives. This is because shaft drives are made of metal, which is much stronger than the materials used in chain or belt drives.
The shaft drive system used in the 1981 Honda CX500 and CX650 was a major factor in the success of these motorcycles. Shaft drives provided these motorcycles with a number of advantages over their chain- or belt-driven competitors, including increased cleanliness, reliability, and durability.
Today, shaft drive systems are still used on many motorcycles, including touring motorcycles, cruisers, and adventure bikes. Shaft drives continue to offer a number of advantages over chain or belt drives, including the benefits listed above.
ComStar wheels: The unique ComStar wheels combined cast aluminum spokes with a steel rim, offering a lightweight and durable design.
The ComStar wheels were a unique and innovative feature of the 1981 Honda CX500 and CX650 motorcycles. These wheels combined cast aluminum spokes with a steel rim, resulting in a lightweight and durable design.
The ComStar wheels were lighter than traditional spoked wheels, which reduced unsprung weight and improved handling. They were also stronger than traditional spoked wheels, which made them more resistant to damage from potholes and other road hazards.
The ComStar wheels were also designed to be maintenance-free. Unlike traditional spoked wheels, which require periodic spoke tightening, the ComStar wheels were sealed and required no maintenance.
The ComStar wheels were a major factor in the success of the 1981 Honda CX500 and CX650 motorcycles. These wheels provided these motorcycles with a number of advantages over their competitors, including reduced weight, improved handling, increased durability, and reduced maintenance.
Today, ComStar wheels are still used on some motorcycles, including touring motorcycles, cruisers, and adventure bikes. These wheels continue to offer a number of advantages over traditional spoked wheels, including the benefits listed above.
Comfortable ergonomics: The CX500 and CX650 were designed with a comfortable upright riding position, making them suitable for long-distance riding.
The comfortable ergonomics of the 1981 Honda CX500 and CX650 were a major factor in their popularity, especially among touring riders. These motorcycles were designed with a relaxed and upright riding position that reduced fatigue and discomfort on long rides.
- Upright riding position: The upright riding position of the CX500 and CX650 allowed riders to sit in a more natural and comfortable position, reducing strain on the back, neck, and shoulders.
- Wide handlebars: The wide handlebars provided ample leverage for steering and control, while also reducing strain on the wrists and arms.
- Plush seat: The plush seat provided excellent support and comfort, even on long rides.
- Adjustable footpegs: The adjustable footpegs allowed riders to customize the riding position to their liking, further enhancing comfort.
The combination of these ergonomic features made the 1981 Honda CX500 and CX650 ideal for long-distance riding. These motorcycles were comfortable and easy to ride, even for extended periods of time, making them a popular choice for touring and adventure riding.
Advanced features: Both models featured a range of advanced features for their time, including electric starters, self-canceling turn signals, and halogen headlights.
The 1981 Honda CX500 and CX650 were equipped with a number of advanced features that were not commonly found on motorcycles of their time. These features contributed to the overall comfort, convenience, and safety of these motorcycles, and helped to set them apart from the competition.
- Electric starters: Electric starters were a major convenience feature, especially for new riders. Prior to the introduction of electric starters, motorcycles had to be started using a kickstarter, which could be difficult and dangerous. Electric starters made it much easier to start the motorcycle, especially in cold weather or when the engine was hot.
- Self-canceling turn signals: Self-canceling turn signals were another convenience feature that helped to improve safety. These turn signals would automatically cancel after a certain period of time or after the motorcycle had traveled a certain distance. This helped to prevent riders from forgetting to turn off their turn signals, which could lead to confusion or accidents.
- Halogen headlights: Halogen headlights provided a brighter and more focused beam of light than traditional incandescent headlights. This made it easier to see at night and in low-light conditions, which improved safety.
The inclusion of these advanced features on the 1981 Honda CX500 and CX650 was a clear indication of Honda's commitment to innovation and rider safety. These features helped to make these motorcycles more enjoyable and safer to ride, and they contributed to the overall success of these models.
Versatility: The CX500 and CX650 were versatile motorcycles, capable of handling a variety of riding styles, from commuting to touring.
The versatility of the 1981 Honda CX500 and CX650 was one of their key strengths. These motorcycles were equally at home on the daily commute, on weekend rides, or on long-distance tours. This versatility was due to a combination of factors, including their comfortable ergonomics, powerful engines, and reliable shaft drive systems.
- Comfort: The CX500 and CX650 were designed with a comfortable upright riding position, making them suitable for long rides. The wide handlebars and plush seat provided ample support and reduced fatigue.
- Power: The CX500 and CX650 engines were powerful enough to handle highway speeds and provide ample acceleration for overtaking. The V-twin engine configuration also provided a smooth and responsive power delivery.
- Reliability: The shaft drive system on the CX500 and CX650 was known for its reliability and low maintenance requirements. This made these motorcycles ideal for long-distance touring, where breakdowns could be costly and inconvenient.
The combination of these factors made the 1981 Honda CX500 and CX650 ideal motorcycles for riders who wanted a versatile machine that could handle a variety of riding styles. Whether commuting to work, exploring winding back roads, or embarking on a cross-country tour, the CX500 and CX650 were up to the task.
Styling: The CX models had a distinctive and futuristic styling, with a sharp-edged design and angular bodywork.
The styling of the 1981 Honda CX500 and CX650 was a major departure from the traditional motorcycle designs of the time. The CX models featured a sharp-edged, angular design that was both distinctive and futuristic. This styling was a major factor in the success of the CX models, as it helped to set them apart from the competition and appeal to a new generation of riders.
- Sharp-edged design: The sharp-edged design of the CX models was a major departure from the rounded designs of most other motorcycles of the time. This design gave the CX models a more aggressive and modern look, which appealed to many riders.
- Angular bodywork: The angular bodywork of the CX models was another distinctive feature. This bodywork was designed to reduce drag and improve aerodynamic efficiency, but it also gave the CX models a unique and futuristic look.
- Futuristic styling: The CX models were designed to look like they were from the future. This was achieved through the use of sharp edges, angular bodywork, and a sleek overall design. The CX models were some of the first motorcycles to adopt this futuristic styling, which would later become popular on many other motorcycles.
The styling of the 1981 Honda CX500 and CX650 was a major factor in their success. The sharp-edged, angular design was distinctive and futuristic, and it helped to set the CX models apart from the competition. This styling appealed to a new generation of riders who were looking for a motorcycle that was both stylish and modern.
FAQs about the 1981 Honda CX
The 1981 Honda CX500 and CX650 were innovative and influential motorcycles that introduced several key features to the market. Here are some frequently asked questions about these bikes:
Question 1: What were the key features of the 1981 Honda CX?
Answer: The 1981 Honda CX500 and CX650 were notable for their liquid-cooled V-twin engines, shaft drives, ComStar wheels, comfortable ergonomics, and advanced features such as electric starters, self-canceling turn signals, and halogen headlights.
Question 2: What were the benefits of the CX's liquid-cooled engine?
Answer: The liquid-cooled engine provided improved cooling efficiency and performance, allowing the engine to run at a lower operating temperature, reducing wear and tear on engine components, and improving overall engine longevity.
Question 3: What advantages did the V-twin engine configuration offer?
Answer: The V-twin engine layout provided a compact and efficient design, offering a smooth power delivery and reduced vibration compared to inline engines.
Question 4: Why was the shaft drive system advantageous?
Answer: The shaft drive system provided a cleaner and more reliable power transmission compared to chain or belt drives. It was also more durable and required less maintenance.
Question 5: How did the ComStar wheels contribute to the CX's performance?
Answer: The ComStar wheels combined cast aluminum spokes with a steel rim, resulting in a lightweight and durable design. These wheels reduced unsprung weight, improved handling, and increased durability.
Question 6: What made the CX a versatile motorcycle?
Answer: The CX's comfortable ergonomics, powerful V-twin engine, and reliable shaft drive system made it suitable for various riding styles, from commuting to touring.
The 1981 Honda CX500 and CX650 continue to be appreciated by enthusiasts for their innovative design, reliability, and versatility.
Transition to the next article section:
The 1981 Honda CX was a significant motorcycle that set the stage for future advancements in motorcycle design and engineering.
Tips for Maintaining and Enjoying Your 1981 Honda CX
The 1981 Honda CX500 and CX650 are classic motorcycles that are still enjoyed by many riders today. Here are a few tips to help you keep your CX in top condition and get the most out of your riding experience:
Tip 1: Perform regular maintenanceRegular maintenance is essential to keep your CX running smoothly and safely. Be sure to follow the maintenance schedule in your owner's manual, which includes tasks such as oil changes, filter changes, and brake inspections.
Tip 2: Use high-quality partsWhen it comes to parts for your CX, it's worth investing in high-quality components. This will help to ensure that your motorcycle performs at its best and lasts for many years to come.
Tip 3: Find a good mechanicIf you're not comfortable performing maintenance on your CX yourself, it's important to find a good mechanic who can help you keep your motorcycle in top condition.
Tip 4: Ride your CX regularlyThe best way to keep your CX in good condition is to ride it regularly. This will help to keep all of the components moving and lubricated.
Tip 5: Store your CX properlyWhen you're not riding your CX, be sure to store it in a dry, well-ventilated area. This will help to prevent rust and corrosion.
Tip 6: Join a CX club or forumJoining a CX club or forum is a great way to connect with other CX owners and learn more about these classic motorcycles.
By following these tips, you can help to keep your 1981 Honda CX in top condition and enjoy many years of riding pleasure.
Conclusion
The 1981 Honda CX500 and CX650 were innovative and influential motorcycles that introduced several key features to the market, including liquid-cooled V-twin engines, shaft drives, ComStar wheels, comfortable ergonomics, and advanced features. These motorcycles were versatile, reliable, and enjoyable to ride, making them popular with a wide range of riders.
Today, the 1981 Honda CX500 and CX650 are considered classic motorcycles that are still appreciated by enthusiasts for their unique styling, innovative design, and timeless appeal.
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