The Kawasaki Nomad 1700, a cruiser designed for comfortable long-distance touring, offers a compelling blend of classic styling and modern engineering. However, like any motorcycle, it isn't without its potential issues. Understanding these common problems and their solutions can help you make an informed decision before purchasing a Nomad 1700, or troubleshoot issues if you already own one, ensuring a smoother and more enjoyable riding experience.

First Things First: Is the Nomad 1700 Reliable?

Before diving into specific problems, it's important to address the overall reliability of the Nomad 1700. Generally, it's considered a dependable machine. Kawasaki has a strong reputation for building robust motorcycles, and the Nomad 1700 is no exception. However, no motorcycle is perfect, and preventative maintenance is key to keeping any bike on the road.

The Dreaded Clicking Noise: Throttle Position Sensor (TPS) Issues

One of the most frequently reported problems with the Kawasaki Nomad 1700 involves the Throttle Position Sensor (TPS). This sensor tells the engine control unit (ECU) the position of the throttle, which is crucial for proper fuel injection and engine performance.

What's the Problem?

  • A faulty TPS can cause a variety of symptoms, including:
    • Erratic idling: The engine may idle too high, too low, or fluctuate unexpectedly.
    • Stalling: The bike may stall at low speeds or when coming to a stop.
    • Poor acceleration: The engine may feel sluggish or unresponsive when accelerating.
    • Clicking noise: A distinct clicking sound, often noticeable at idle or low speeds, is a common indicator.
    • Check engine light: The check engine light may illuminate, indicating a problem with the fuel injection system.

Why Does This Happen?

The TPS is exposed to heat and vibration, which can eventually lead to wear and tear. Moisture and corrosion can also contribute to its failure.

How Do I Fix It?

  1. Diagnosis: The first step is to confirm that the TPS is indeed the problem. A mechanic can use a diagnostic tool to read the TPS voltage and check for any error codes.
  2. Adjustment: Sometimes, the TPS can be adjusted to restore proper function. This involves loosening the sensor and slightly rotating it until the voltage falls within the specified range. This is a temporary fix in most cases.
  3. Replacement: If adjustment doesn't work, the TPS will need to be replaced. This is a relatively straightforward repair that can be done by a qualified mechanic or by a confident DIYer. After replacing the TPS, it should be calibrated or "zeroed" using a diagnostic tool.

Prevention is Key:

While the TPS is a known weak point, regular maintenance can help prevent premature failure. Keeping the throttle body clean and ensuring proper electrical connections can extend the life of the sensor.

The Burning Question: Stator and Rectifier/Regulator Failures

Another common concern with the Nomad 1700 is the potential for stator and rectifier/regulator failures. These components are responsible for charging the battery and providing power to the electrical system.

What's the Problem?

  • A failing stator or rectifier/regulator can cause:
    • Battery drain: The battery may discharge quickly, even when the bike is not in use.
    • Difficulty starting: The engine may be difficult to start, especially after sitting for a while.
    • Dim headlights: The headlights may appear dim or flicker.
    • Engine stalling: The engine may stall due to insufficient power.
    • Overheating: The rectifier/regulator can overheat, potentially damaging other components.

Why Does This Happen?

The stator and rectifier/regulator are subjected to significant heat and electrical stress. Over time, this can lead to insulation breakdown and component failure. The location of the rectifier/regulator on the rear cylinder bank of the engine adds to the heat problem.

How Do I Fix It?

  1. Diagnosis: A multimeter can be used to test the stator's output voltage and the rectifier/regulator's charging voltage. A mechanic can perform these tests or you can find tutorials online.
  2. Replacement: If either the stator or rectifier/regulator is found to be faulty, it will need to be replaced. It is recommended to replace both the stator and the rectifier/regulator together, as a failing stator can damage a new rectifier/regulator, and vice versa.
  3. Upgraded Components: Consider upgrading to a higher-quality stator and rectifier/regulator from aftermarket manufacturers. These components are often more durable and can handle higher loads.

Cooling Solutions:

Some riders have reported success in extending the life of the rectifier/regulator by relocating it to a cooler location or adding a heat sink to improve cooling.

Heat Management: Keeping Your Cool on the Nomad 1700

The Nomad 1700, like many large displacement V-twins, can generate a significant amount of heat, especially in hot weather or stop-and-go traffic.

What's the Problem?

  • Excessive heat can lead to:
    • Rider discomfort: The heat radiating from the engine can be uncomfortable, especially on long rides.
    • Reduced engine performance: High engine temperatures can reduce power and fuel economy.
    • Potential for overheating: In extreme cases, the engine can overheat, causing damage.

Why Does This Happen?

The large displacement engine and the close proximity of the cylinders contribute to heat buildup. The stock exhaust system can also restrict airflow and increase engine temperature.

How Do I Fix It?

  1. Exhaust System: Replacing the stock exhaust system with an aftermarket system can improve airflow and reduce engine temperature.
  2. Fuel Management: Ensure the fuel mixture is properly adjusted. A lean fuel mixture can cause the engine to run hotter. A fuel management system like a Power Commander or Cobra Fi2000 can help fine-tune the fuel mixture.
  3. Cooling System Maintenance: Ensure the cooling system is functioning properly. Check the coolant level and condition, and flush the system regularly.
  4. Rider Gear: Wearing appropriate riding gear, such as heat-resistant pants and boots, can help protect you from the heat.
  5. Heat Shields: Install heat shields on the exhaust pipes to reduce the amount of heat radiating towards your legs.

Long Term Solutions:

Some riders have installed aftermarket fans to improve airflow around the engine. Others have wrapped the exhaust pipes with heat wrap to reduce heat radiation.

Clutch Concerns: Slipping and Sticking

The clutch on the Nomad 1700 can sometimes exhibit problems such as slipping or sticking.

What's the Problem?

  • Clutch Slipping: The clutch may slip under heavy acceleration, causing the engine to rev up without transferring power to the rear wheel.
  • Clutch Sticking: The clutch may stick when disengaged, making it difficult to shift gears.

Why Does This Happen?

  • Clutch Slipping: Clutch slipping can be caused by worn clutch plates, weak clutch springs, or oil contamination.
  • Clutch Sticking: Clutch sticking can be caused by corrosion on the clutch plates, a sticky clutch cable, or low clutch fluid (if equipped with a hydraulic clutch).

How Do I Fix It?

  1. Clutch Cable Adjustment: Ensure the clutch cable is properly adjusted. Too much slack in the cable can prevent the clutch from fully engaging.
  2. Clutch Fluid (if applicable): Check the clutch fluid level and condition. Bleed the system if necessary.
  3. Clutch Plate Inspection: Inspect the clutch plates for wear and damage. Replace the plates if they are worn or contaminated.
  4. Clutch Spring Replacement: Replace the clutch springs if they are weak.
  5. Oil Change: Ensure the engine oil is of the correct type and viscosity. Using the wrong oil can cause clutch problems.

Preventative Measures:

Regularly inspect and maintain the clutch cable or hydraulic system. Use high-quality engine oil and replace it according to the manufacturer's recommendations. Avoid excessive clutch slipping, especially when accelerating.

Fuel Pump Issues: Keep the Gas Flowing

While not as common as the previous issues, fuel pump problems can occur on the Nomad 1700.

What's the Problem?

  • A failing fuel pump can cause:
    • Difficulty starting: The engine may be difficult to start, especially after sitting for a while.
    • Stalling: The engine may stall at low speeds or when accelerating.
    • Poor acceleration: The engine may feel sluggish or unresponsive when accelerating.

Why Does This Happen?

Fuel pumps can fail due to wear and tear, contamination, or electrical problems.

How Do I Fix It?

  1. Fuel Pump Test: A mechanic can use a fuel pressure gauge to test the fuel pump's output pressure.
  2. Fuel Filter Check: Check the fuel filter for clogs or contamination. Replace the filter if necessary.
  3. Fuel Pump Replacement: If the fuel pump is found to be faulty, it will need to be replaced.

Preventative Measures:

Use high-quality fuel and avoid running the tank completely empty, as this can damage the fuel pump. Replace the fuel filter regularly.

Frequently Asked Questions

  • Is the Nomad 1700 a good touring bike? Yes, it's designed for touring with comfortable seating, ample storage, and a smooth ride.
  • How often should I change the oil on my Nomad 1700? Typically, every 3,000 to 5,000 miles, or as recommended in your owner's manual.
  • What type of oil should I use? Use a motorcycle-specific oil with the correct viscosity recommended in your owner's manual.
  • Where is the TPS located? It's usually mounted on the throttle body, near the throttle cable linkage.
  • Can I upgrade the stator myself? Yes, if you have mechanical experience. Otherwise, it's best left to a professional.

In Conclusion

The Kawasaki Nomad 1700 is a solid touring motorcycle, but understanding potential problems like TPS issues, charging system failures, and heat management can help you maintain its reliability. Regular maintenance and addressing issues promptly will ensure many years of enjoyable riding.