Kawasaki Z900rs Problems

The Kawasaki Z900RS is a modern classic that beautifully blends retro aesthetics with contemporary performance. It's a bike that tugs at the heartstrings of riders who remember the original Z1, while offering the reliability and technology expected in a modern motorcycle. However, like any machine, the Z900RS isn't without its quirks. Understanding these potential issues can help you make an informed purchase decision, prepare for preventative maintenance, and troubleshoot any problems that may arise, ultimately ensuring you enjoy many happy miles on this stunning machine.

So, What Are Riders Actually Complaining About?

Let's be honest, no motorcycle is perfect, and the Z900RS, despite its widespread acclaim, has a few common complaints circulating among owners. These aren't necessarily deal-breakers, but being aware of them is crucial.

1. The Suspension's a Bit… Firm (Especially the Rear)

One of the most frequently cited issues with the Z900RS is its suspension, particularly the rear shock. Many riders find it too stiff, especially on rough roads. This can lead to a jarring ride, impacting comfort on longer journeys. The stock suspension is often described as "budget-friendly" and not quite up to the standards of the rest of the bike.

• The problem: Harsh ride quality, especially over bumps and potholes. Can lead to fatigue on longer rides.
• The solution: This is a common upgrade area. Options include:
  • Adjusting the preload and rebound: Experiment with the stock settings, but be aware of their limited range.
  • Replacing the rear shock: A popular upgrade is to replace the shock with an aftermarket option from reputable brands like Ohlins, Wilbers, or Nitron. These offer improved damping and adjustability.
  • Fork upgrades: While the rear is the primary concern, upgrading the fork internals (springs and damping cartridges) can further enhance the overall ride quality.

2. Heat Management: It Can Get Toasty

The Z900RS's engine, while a gem of engineering, can generate a significant amount of heat, especially in warmer climates or stop-and-go traffic. This heat radiates onto the rider's legs, which can become uncomfortable, particularly in summer.

• The problem: Excessive heat radiating from the engine, leading to discomfort for the rider.
• The solution:
  • Ceramic coating the exhaust: This can help reduce the amount of heat radiating from the exhaust system.
  • Installing heat shields: Aftermarket heat shields can provide a barrier between the engine and the rider's legs.
  • Riding gear: Wearing appropriate riding gear, such as riding pants with heat-resistant panels, can help mitigate the effects of the heat.
  • ECU Remapping: Some riders have reported improved heat management through ECU remapping, which can optimize the engine's fuel and ignition settings.

3. Instrument Cluster Visibility (In Certain Conditions)

While the Z900RS's instrument cluster is aesthetically pleasing with its retro design, some riders have found it difficult to read in direct sunlight. The LCD screen can wash out, making it challenging to see information like speed and gear position.

• The problem: Poor visibility of the instrument cluster in bright sunlight.
• The solution:
  • Adjusting the screen angle (if possible): Some riders have found that slightly adjusting the angle of the instrument cluster can improve visibility.
  • Installing a sun visor: Aftermarket sun visors are available that can help shield the instrument cluster from direct sunlight.
  • Tinted screen protectors: Some riders have experimented with tinted screen protectors, but results may vary.

4. Fuel Gauge Accuracy (Or Lack Thereof)

Several Z900RS owners have noted that the fuel gauge isn't always the most accurate. It can be slow to respond to changes in fuel level, and the low fuel warning light may come on prematurely or inconsistently.

• The problem: Inaccurate fuel gauge readings, leading to uncertainty about fuel levels.
• The solution:
  • Rely on the trip meter: Many riders find it more reliable to track their fuel consumption using the trip meter.
  • Get to know your bike: Pay attention to how many miles you can typically ride before needing to refuel.
  • Don't solely rely on the fuel gauge: Use it as a general indicator, but be prepared to refuel sooner rather than later.

5. Factory Tires: Not the Grippiest

The Z900RS comes with Dunlop tires as standard. While they are decent for general riding, some riders find that they lack grip, especially in wet conditions or when pushing the bike hard.

• The problem: The stock tires don't offer the best grip, particularly in wet conditions or during spirited riding.
• The solution: Replacing the tires with a higher-performance option from brands like Michelin, Pirelli, or Bridgestone. Consider your riding style and the types of roads you typically ride on when choosing new tires.

6. Chain Adjustment:

Many users have reported that the chain loosens frequently.

• The problem: The chain loosens quickly, requiring frequent adjustments.
• The solution: Regularly check and adjust the chain according to the manufacturer's recommendations. Consider upgrading to a higher-quality chain for improved durability.

7. Clutch Drag:

Some owners have experienced clutch drag, where the clutch doesn't fully disengage, making it difficult to find neutral or causing jerky starts.

• The problem: Clutch drag, leading to difficulty finding neutral and jerky starts.
• The solution: Ensure the clutch cable is properly adjusted. Bleed the clutch hydraulics if necessary. If the problem persists, the clutch plates may need to be inspected or replaced.

Digging Deeper: More Than Just Surface Level

While the above are the most frequently discussed "problems," let's delve a little deeper into some areas that might not be immediately apparent but can impact the long-term ownership experience.

1. Electrical Gremlins (Rare, But Worth Mentioning)

While generally reliable, some Z900RS owners have reported occasional electrical issues, such as flickering lights or intermittent sensor failures. These are relatively rare but can be frustrating to diagnose.

• Prevention is key: Ensure all electrical connections are clean and secure. Consider using dielectric grease to protect connections from corrosion.
• Professional diagnosis: If you experience persistent electrical problems, it's best to consult a qualified motorcycle mechanic.

2. Paint Quality (Something to Keep an Eye On)

The Z900RS is a beautiful bike, and its paint job plays a significant role in its appeal. However, some owners have noted that the paint can be prone to chipping or scratching, especially in high-wear areas.

• Protect your investment: Consider using paint protection film (PPF) on vulnerable areas, such as the tank and fenders.
• Regular cleaning: Keep the bike clean and free of dirt and debris, which can contribute to paint damage.

3. Aftermarket Accessories: A Double-Edged Sword

The Z900RS has a thriving aftermarket, with a wide range of accessories available to customize and enhance the bike. However, not all accessories are created equal.

• Choose wisely: Research aftermarket parts carefully before purchasing. Read reviews and ensure that the parts are of high quality and compatible with your bike.
• Professional installation: If you're not comfortable installing aftermarket parts yourself, it's best to have them installed by a qualified mechanic.

Frequently Asked Questions (FAQ)

Q: Is the Z900RS unreliable?

A: No, the Z900RS is generally considered a reliable motorcycle. The issues mentioned above are relatively minor and can often be addressed with simple maintenance or aftermarket upgrades.

Q: Is the suspension really that bad?

A: The stock suspension is adequate for general riding, but many riders find it too firm, especially the rear shock. Upgrading the suspension can significantly improve ride quality and comfort.

Q: Does the Z900RS overheat easily?

A: The Z900RS can generate a significant amount of heat, especially in hot weather or stop-and-go traffic. Proper riding gear and heat management solutions can help mitigate this issue.

Q: Is the fuel gauge accurate?

A: The fuel gauge isn't always the most accurate. It's best to rely on the trip meter and get to know your bike's fuel consumption.

Q: Are there any major recalls for the Z900RS?

A: It's always a good idea to check for any recalls on the NHTSA website (National Highway Traffic Safety Administration) using your VIN. Recalls are generally addressed by Kawasaki free of charge.

The Bottom Line

The Kawasaki Z900RS is a fantastic motorcycle that offers a compelling blend of retro style and modern performance. While it has a few minor issues, they are generally manageable and shouldn't deter you from considering this bike. Addressing the suspension and heat management can significantly improve the riding experience.