1990
The 1990 Kawasaki GPX 600 R (reduced effect) was a mid-sized sport motorcycle aimed at riders seeking a balance of performance and practicality. Part of the GPX line, it built upon previous models, offering a refined riding experience for its time. Direct competitors included models like the Honda CBR600F, which also sought to provide a usable sportbike experience.
At the heart of the GPX 600 R lies a 592.0 ccm (36.12 cubic inches) in-line four, four-stroke engine. This configuration provided smooth power delivery across the rev range. The fuel tank capacity is 19.50 litres (5.15 US gallons), allowing for reasonably long rides between fill-ups. The bike is capable of reaching a top speed of 183.0 km/h (113.7 mph), making it suitable for various riding scenarios. The engine characteristics provided enough power for spirited riding.
The riding experience on the GPX 600 R is fairly balanced. While not as aggressively track-focused as some pure sportbikes, it still offers a sporty riding position. The ergonomics, while not overly aggressive, still lean towards a more forward stance. This made it reasonably comfortable for longer journeys, unlike bikes with extreme rearset pegs and clip-on handlebars. Handling is predictable, allowing riders to confidently navigate different road conditions.
The Kawasaki GPX 600 R (reduced effect) from 1990 appeals to riders who want a sporty motorcycle that is also reasonably practical. It's a good choice for those who appreciate a balanced riding experience and aren't solely focused on outright track performance. It offers a blend of usability and sporty aesthetics that made it a popular choice in its day and continues to be appreciated by enthusiasts seeking a classic sportbike experience.
✅ Why buy this bike?
• Affordable and readily available as a used motorcycle, offering good value for money for budget-conscious riders. • Decent handling and stability due to its well-balanced chassis, making it enjoyable for spirited riding on twisty roads. • The 592cc engine provides sufficient power for both commuting and weekend rides, offering a good balance of performance. • Relatively comfortable riding position compared to more aggressive sportbikes, suitable for longer journeys and daily use. • Easy to maintain and repair thanks to its simple design and readily available parts, reducing ownership costs. • Good fuel economy for its class, making it a practical choice for riders looking to save on fuel expenses.⚠️ Things to consider
• The 1990 model is now quite old, so finding one in good condition may be challenging and require thorough inspection. • The suspension components are basic and may feel outdated compared to modern motorcycles, affecting ride quality and handling. • The brakes are adequate but not exceptional, potentially lacking stopping power in emergency situations or aggressive riding. • The engine's performance can feel dated compared to modern 600cc motorcycles, lacking the same level of responsiveness. • Original bodywork and fairings can be brittle and prone to damage, potentially requiring expensive repairs or replacements.Rule of thumb: under 125cc / 15HP → A1, under 47HP → A2, above → A.
Estimated average for 592cc class: 45-60 mpg (4.0-5.5 L/100km)
⛽ Tank: 19.50 litres (5.15 US gallons)
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