The 1987 BMW K75 is a motorcycle that was manufactured by BMW Motorrad. It was the first motorcycle in the K-series, which is a line of longitudinally mounted, inline-three cylinder motorcycles. The K75 was powered by a 741 cc engine and had a top speed of 124 mph. It was known for its smooth power delivery, excellent handling, and comfortable riding position.
The K75 was a significant motorcycle for BMW, as it was the first motorcycle in the company's history to be powered by a water-cooled engine. It was also the first BMW motorcycle to feature a single-sided swingarm. These innovations helped to make the K75 a popular choice for riders who were looking for a powerful and reliable motorcycle that was also comfortable to ride.
The K75 was produced from 1985 to 1996, and it was available in a variety of different trim levels. The most popular trim level was the K75S, which was a sport-touring model that came with a fairing and panniers. The K75 was also available in a naked version, which was known as the K75N, and a police version, which was known as the K75P.
1987 BMW K75
The 1987 BMW K75 is a significant motorcycle for a number of reasons. It was the first motorcycle in BMW's K-series, which is a line of longitudinally mounted, inline-three cylinder motorcycles. It was also the first BMW motorcycle to feature a water-cooled engine and a single-sided swingarm. These innovations helped to make the K75 a popular choice for riders who were looking for a powerful and reliable motorcycle that was also comfortable to ride.
- longitudinally mounted engine
- inline-three cylinder
- water-cooled engine
- single-sided swingarm
- powerful
- reliable
- comfortable to ride
- popular choice for riders
- sport-touring
- police version
The K75 was produced from 1985 to 1996, and it was available in a variety of different trim levels. The most popular trim level was the K75S, which was a sport-touring model that came with a fairing and panniers. The K75 was also available in a naked version, which was known as the K75N, and a police version, which was known as the K75P. The K75 was a popular choice for police departments because it was powerful, reliable, and comfortable to ride. It was also relatively easy to maintain, which made it a good choice for departments with limited resources.
Longitudinally Mounted Engine
A longitudinally mounted engine is an engine that is positioned lengthwise in the vehicle, with the crankshaft parallel to the direction of travel. This is in contrast to a transversely mounted engine, which is positioned widthwise in the vehicle, with the crankshaft perpendicular to the direction of travel.
The 1987 BMW K75 was the first motorcycle in BMW's K-series to feature a longitudinally mounted engine. This design choice was made in order to improve the motorcycle's handling and stability. A longitudinally mounted engine places the crankshaft closer to the center of the motorcycle, which helps to reduce gyroscopic forces and improve the motorcycle's agility.
The longitudinally mounted engine also allowed BMW to use a longer swingarm, which improved the motorcycle's stability at high speeds. The K75 was also the first BMW motorcycle to feature a single-sided swingarm, which further improved the motorcycle's handling and stability.
The combination of a longitudinally mounted engine and a single-sided swingarm made the 1987 BMW K75 one of the best handling motorcycles of its time. The K75 was also a very comfortable motorcycle to ride, making it a popular choice for long-distance touring.
Inline-Three Cylinder
An inline-three cylinder engine is a type of internal combustion engine with three cylinders arranged in a straight line. Inline-three engines are relatively compact and lightweight, making them a popular choice for motorcycles. The 1987 BMW K75 was the first motorcycle in BMW's K-series to feature an inline-three cylinder engine.
The inline-three cylinder engine in the 1987 BMW K75 was a significant improvement over the boxer engines that BMW had previously used in its motorcycles. The inline-three engine was more powerful and efficient than the boxer engines, and it also produced less vibration. The inline-three engine also allowed BMW to use a longer swingarm, which improved the motorcycle's stability at high speeds.
The inline-three cylinder engine in the 1987 BMW K75 was a major factor in the motorcycle's success. The engine was powerful, efficient, and reliable, and it helped to make the K75 one of the best handling motorcycles of its time. The inline-three cylinder engine is still used in BMW motorcycles today, and it is considered to be one of the best engine designs for motorcycles.
Water-Cooled Engine
A water-cooled engine is an internal combustion engine that uses water as a coolant to regulate its temperature. Water-cooled engines are more efficient than air-cooled engines because water has a higher specific heat capacity than air, meaning that it can absorb more heat without increasing in temperature as much. This allows water-cooled engines to run at lower temperatures, which reduces wear and tear on the engine components and improves performance.
The 1987 BMW K75 was the first BMW motorcycle to feature a water-cooled engine. This was a significant improvement over the air-cooled engines that BMW had previously used in its motorcycles, as it allowed the K75 to run at lower temperatures and produce more power. The water-cooled engine also helped to improve the K75's reliability and durability.
The water-cooled engine in the 1987 BMW K75 was a major factor in the motorcycle's success. The engine was powerful, efficient, and reliable, and it helped to make the K75 one of the best handling motorcycles of its time. The water-cooled engine is still used in BMW motorcycles today, and it is considered to be one of the best engine designs for motorcycles.
Single-Sided Swingarm
The 1987 BMW K75 was the first motorcycle to feature a single-sided swingarm. This was a significant innovation, as it offered a number of advantages over traditional double-sided swingarms.
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Reduced unsprung weight
A single-sided swingarm is lighter than a double-sided swingarm, which reduces the unsprung weight of the motorcycle. This makes the motorcycle more agile and easier to handle, especially when cornering. -
Improved rear wheel access
With a single-sided swingarm, there is no need to remove the rear wheel to access the chain or sprockets. This makes maintenance and repairs much easier. -
Stiffer construction
A single-sided swingarm is stiffer than a double-sided swingarm, which improves the motorcycle's handling and stability. This is especially important for high-performance motorcycles. -
Unique appearance
A single-sided swingarm gives the motorcycle a unique and distinctive appearance. This is a major reason why many riders choose to upgrade to a single-sided swingarm, even on motorcycles that did not originally come with one.
The single-sided swingarm is a major innovation that has improved the performance, handling, and appearance of motorcycles. It is now a common feature on high-performance motorcycles, and it is also becoming increasingly popular on more affordable motorcycles.
Powerful
The 1987 BMW K75 is a powerful motorcycle, with a 741 cc engine that produces 70 horsepower. This makes it one of the most powerful motorcycles in its class. The K75's power is evident in its acceleration and top speed, which are both impressive for a motorcycle of its size.
The K75's power is not only due to its large engine, but also to its efficient design. The K75's engine is very efficient at converting fuel into power, which gives it a good power-to-weight ratio. This means that the K75 can accelerate quickly and reach high speeds, even with a relatively small engine.
The K75's power is a major advantage for riders who want a motorcycle that can handle a variety of riding conditions. The K75 is a great choice for commuting, touring, and even track days. Its power makes it easy to overtake other vehicles, and it can also be used to power out of corners. The K75's power is also a major safety feature, as it allows riders to get out of dangerous situations quickly.
Reliable
The 1987 BMW K75 is known for its reliability, which is a key factor in its popularity among riders. There are a number of factors that contribute to the K75's reliability, including its:
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Robust design
The K75 was designed to be a durable and reliable motorcycle. It features a strong frame, a well-engineered engine, and high-quality components. This makes the K75 less likely to break down, even under demanding riding conditions. -
Excellent build quality
BMW motorcycles are known for their excellent build quality, and the K75 is no exception. The K75 is assembled with care and precision, which helps to ensure its long-term reliability. -
Regular maintenance
Regular maintenance is essential for keeping any motorcycle reliable, and the K75 is no exception. By following the manufacturer's recommended maintenance schedule, you can help to keep your K75 running smoothly for many years to come.
The 1987 BMW K75 is a reliable motorcycle that is built to last. With proper maintenance, a K75 can provide its owner with many years of trouble-free riding.
Comfortable to Ride
The 1987 BMW K75 is renowned for its exceptional comfort, making it a pleasure to ride for extended periods. This comfort stems from a combination of well-thought-out design features and high-quality components.
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Upright Riding Position
The K75's upright riding position places the rider in a natural, relaxed posture, reducing fatigue and strain on the back, neck, and shoulders. This position is ideal for long-distance touring, allowing riders to enjoy the journey without discomfort. -
Plush Seat
The K75's seat is wide and well-padded, providing excellent support and comfort. The contoured design helps to distribute the rider's weight evenly, reducing pressure points and ensuring a comfortable ride. -
Smooth Suspension
The K75's suspension system effectively absorbs road imperfections, providing a smooth and controlled ride. The front forks and rear shock absorbers work in harmony to minimize vibrations and jarring, enhancing comfort on both rough and smooth roads. -
Wind Protection
The K75's fairing and windscreen offer effective wind protection, reducing wind noise and buffeting. This is especially beneficial on long rides, as it helps to reduce fatigue and improve concentration.
The combination of these factors makes the 1987 BMW K75 an exceptionally comfortable motorcycle to ride. Its well-designed ergonomics, high-quality components, and attention to detail ensure a pleasant and enjoyable riding experience, whether commuting to work or embarking on a cross-country adventure.
Popular Choice for Riders
The 1987 BMW K75 gained immense popularity among riders due to its exceptional combination of performance, comfort, and reliability. Several factors contributed to its widespread acceptance:
- Excellent Handling: The K75's longitudinally mounted engine and single-sided swingarm provided superior handling and stability, making it a joy to ride on winding roads and in urban environments.
- Powerful and Efficient Engine: The inline-three cylinder engine offered a smooth power delivery and impressive fuel economy, allowing riders to enjoy spirited riding without sacrificing efficiency.
- Comfortable Ergonomics: The upright riding position, well-padded seat, and ample wind protection made the K75 exceptionally comfortable for long-distance touring.
- BMW's Reputation: BMW motorcycles have a longstanding reputation for quality and reliability, which played a significant role in the K75's popularity. Riders trusted that they were investing in a well-made machine.
The combination of these attributes made the 1987 BMW K75 a highly sought-after motorcycle among riders of various experience levels. Its popularity is further evidenced by its strong presence in motorcycle clubs, forums, and online communities, where it continues to be praised for its enduring qualities.
The 1987 BMW K75 serves as an example of how a motorcycle can achieve widespread success by meeting the demands and preferences of riders. Its popularity is a testament to its well-rounded performance, comfort, and reliability, making it a popular choice for riders to this day.
Sport-Touring
The 1987 BMW K75 is a motorcycle that is often classified as a sport-tourer. This means that it is a motorcycle that is designed for both performance and long-distance comfort. Sport-touring motorcycles are popular among riders who want a motorcycle that can handle both spirited riding on winding roads and comfortable cruising on long highway stretches.
- Performance: Sport-touring motorcycles like the 1987 BMW K75 typically have powerful engines and responsive handling, allowing riders to enjoy a thrilling riding experience on twisty roads. The K75's longitudinally mounted engine and single-sided swingarm contribute to its agile handling and stability.
- Comfort: Sport-touring motorcycles also prioritize comfort, with features such as upright riding positions, well-padded seats, and wind protection. The K75's upright riding position and plush seat make it comfortable for long rides, while its fairing and windscreen provide effective wind protection.
- Versatility: Sport-touring motorcycles are designed to be versatile, suitable for a wide range of riding conditions and purposes. The 1987 BMW K75 can be used for commuting, weekend rides, or even long-distance touring. Its combination of performance and comfort makes it a great all-around motorcycle.
- Luggage Capacity: Many sport-touring motorcycles, including the 1987 BMW K75, have the capacity to carry luggage, making them practical for touring. The K75 can be equipped with saddlebags and a top case, providing ample storage space for luggage and gear.
In summary, the 1987 BMW K75 is a classic example of a sport-touring motorcycle. It combines performance, comfort, versatility, and luggage capacity, making it a popular choice for riders who want a motorcycle that can do it all.
Police Version
The 1987 BMW K75 was also available in a police version, known as the K75P. The K75P was designed to meet the specific needs of law enforcement agencies, and it featured a number of modifications that made it suitable for police work.
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Engine:
The K75P had a slightly modified engine that produced more torque at low RPMs. This made the K75P better suited for acceleration from a standstill, which is important for police officers who need to respond quickly to emergencies. -
Suspension:
The K75P had a stiffer suspension than the standard K75. This made the K75P more stable at high speeds and when cornering, which is important for police officers who need to be able to maneuver their motorcycles safely in all conditions. -
Brakes:
The K75P had upgraded brakes with more powerful calipers and larger rotors. This gave the K75P better stopping power, which is important for police officers who need to be able to stop their motorcycles quickly in emergency situations. -
Accessories:
The K75P came with a number of accessories that were specifically designed for police use. These accessories included a siren, a PA system, and a gun rack.
The 1987 BMW K75P was a popular choice for police departments around the world. It was a reliable, durable, and versatile motorcycle that was well-suited for the demands of police work.
FAQs about the 1987 BMW K75
The 1987 BMW K75 is a popular motorcycle that is known for its performance, comfort, and reliability. Here are some frequently asked questions about the K75:
Question 1: What are the key features of the 1987 BMW K75?
The 1987 BMW K75 is a sport-touring motorcycle that features a longitudinally mounted inline-three cylinder engine, a single-sided swingarm, and a water-cooled engine. It is known for its smooth power delivery, excellent handling, and comfortable riding position.
Question 2: What is the engine size of the 1987 BMW K75?
The 1987 BMW K75 has a 741 cc engine.
Question 3: What is the top speed of the 1987 BMW K75?
The 1987 BMW K75 has a top speed of 124 mph.
Question 4: What is the fuel economy of the 1987 BMW K75?
The 1987 BMW K75 has a fuel economy of approximately 45 mpg.
Question 5: Is the 1987 BMW K75 a reliable motorcycle?
Yes, the 1987 BMW K75 is known for its reliability and durability. It is built with high-quality components and is well-engineered.
Question 6: What are the common problems associated with the 1987 BMW K75?
Some common problems associated with the 1987 BMW K75 include:
- The final drive may fail prematurely
- The driveshaft may fail
- The transmission may fail
- The alternator may fail
- The starter may fail
Overall, the 1987 BMW K75 is a well-rounded motorcycle that offers a great combination of performance, comfort, and reliability. It is a popular choice for riders who are looking for a motorcycle that can handle a variety of riding conditions.
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Tips for Maintaining and Riding the 1987 BMW K75
The 1987 BMW K75 is a classic motorcycle known for its performance, comfort, and reliability. To keep your K75 running smoothly and safely, follow these tips.
Tip 1: Maintain the Final DriveThe final drive on the K75 is a critical component that transmits power from the transmission to the rear wheel. Regular maintenance, including checking and adjusting the fluid level and replacing the drive shaft splines when necessary, is essential to prevent premature failure and costly repairs.Tip 2: Inspect the Driveshaft
The driveshaft on the K75 is responsible for transferring power from the transmission to the final drive. Regular inspection for signs of wear, such as cracks or rust, is crucial. If any issues are detected, the driveshaft should be replaced promptly to avoid a catastrophic failure while riding.Tip 3: Service the Transmission
The transmission on the K75 requires regular servicing to ensure smooth and reliable operation. This includes changing the transmission fluid and filter according to the manufacturer's recommended intervals. Neglecting transmission maintenance can lead to premature wear, difficulty shifting gears, and costly repairs.Tip 4: Check the Alternator
The alternator on the K75 is responsible for charging the battery and powering the electrical system. Regular testing of the alternator's output and condition is important to prevent electrical failures and ensure that the battery is adequately charged, especially during long rides.Tip 5: Maintain the Starter
The starter on the K75 is responsible for starting the engine. Regular maintenance, including cleaning the starter contacts and checking the battery's condition, can prevent starting problems and ensure that the K75 starts reliably, even in cold or wet weather.
Following these tips can help you maintain and ride your 1987 BMW K75 safely and reliably for many years to come. Remember to consult your owner's manual for specific maintenance schedules and additional tips.
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Conclusion
The 1987 BMW K75 stands as a testament to BMW's engineering prowess and its commitment to producing high-quality motorcycles. With its innovative longitudinally mounted engine, single-sided swingarm, and water-cooled design, the K75 set new standards for performance, handling, and comfort in the motorcycle world.
Throughout the years, the K75 has garnered a loyal following among riders who appreciate its versatility, reliability, and timeless design. Its popularity as a sport-tourer and police motorcycle further solidifies its status as a well-rounded and capable machine. Whether navigating winding roads, cruising on highways, or responding to emergencies, the K75 has proven its mettle in a wide range of riding scenarios.
As we look back on the legacy of the 1987 BMW K75, it is clear that it has left an enduring mark on the motorcycle landscape. Its innovative features and exceptional performance continue to inspire and influence motorcycle design to this day, ensuring its place as a significant chapter in the history of motorcycling.
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