The Honda Deauville 700, a staple of comfortable, reliable touring, has earned a dedicated following. Known for its smooth engine, ample storage, and dependable nature, it's a fantastic choice for long-distance riders and commuters alike. However, like any machine, the Deauville 700 isn't without its quirks. Understanding these common issues can help you make an informed purchase, troubleshoot problems, and keep your Deauville running smoothly for years to come.

What are the Common Issues with the Deauville 700?

While the Deauville 700 is generally a robust motorcycle, some recurring problems have been reported by owners. These range from minor annoyances to more serious mechanical concerns, and being aware of them can save you time, money, and frustration.

1. The Dreaded ABS Issues:

The Anti-lock Braking System (ABS) is a desirable feature for many riders, providing an extra layer of safety, especially in challenging conditions. However, the ABS system on the Deauville 700 can be a source of headaches.

  • ABS Sensor Problems: The ABS sensors, located on the wheels, are vulnerable to dirt, debris, and corrosion. These sensors can fail, triggering the ABS warning light and disabling the system. Cleaning the sensors and checking their wiring connections is often the first step in troubleshooting.
  • ABS Pump Failures: In some cases, the ABS pump itself can fail. This is a more serious and expensive issue to resolve. Symptoms include the ABS light staying on, unusual noises from the pump, and a complete loss of ABS functionality.
  • Faulty Modulator Unit: The ABS modulator unit, which controls the pressure to the brakes, can also develop faults. This can lead to erratic braking behavior or a complete failure of the ABS system.

2. Overheating Concerns:

The Deauville 700, particularly in hotter climates or during slow-speed riding, can be prone to overheating. This is largely due to the engine's design and the fairing, which can restrict airflow.

  • Coolant Leaks: Check for coolant leaks around the radiator, hoses, and water pump. Leaks can lead to a decrease in coolant levels, causing the engine to overheat.
  • Radiator Issues: A blocked or damaged radiator can significantly reduce its cooling efficiency. Inspect the radiator for bent fins or debris buildup.
  • Thermostat Problems: A faulty thermostat can prevent the coolant from circulating properly, leading to overheating.
  • Fan Malfunction: The cooling fan is crucial for maintaining engine temperature, especially at low speeds. Ensure the fan is functioning correctly and that its wiring is intact.

3. Electrical Gremlins:

Like many modern motorcycles, the Deauville 700 relies on a complex electrical system. This complexity can sometimes lead to electrical gremlins that can be difficult to diagnose.

  • Wiring Harness Issues: The wiring harness can suffer from wear and tear, especially in areas that are exposed to vibration or the elements. Check for damaged or corroded wires, particularly around connectors.
  • Battery Problems: A weak or failing battery can cause a variety of electrical issues, including starting problems, dim lights, and erratic instrument panel behavior.
  • Stator Failure: The stator, which charges the battery, can sometimes fail. This can lead to a flat battery and a non-starting motorcycle.
  • Regulator/Rectifier Problems: The regulator/rectifier controls the voltage going to the battery. If it fails, it can either overcharge the battery (damaging it) or undercharge it (leading to a flat battery).

4. Clutch Woes:

The clutch on the Deauville 700 is generally reliable, but some owners have reported issues.

  • Clutch Slippage: Clutch slippage can occur due to worn clutch plates, contaminated oil, or a stretched clutch cable.
  • Hard Shifting: Difficulties shifting gears can sometimes be attributed to clutch drag, which is when the clutch doesn't fully disengage.
  • Hydraulic Clutch Problems (if equipped): Some Deauville 700 models have a hydraulic clutch. These can experience issues with the master cylinder or slave cylinder, leading to a loss of clutch pressure.

5. Fuel Injection Quirks:

The fuel injection system on the Deauville 700 is generally reliable, but problems can occasionally arise.

  • Rough Idling: Rough idling can be caused by dirty fuel injectors, a vacuum leak, or a faulty idle air control valve.
  • Poor Fuel Economy: A sudden decrease in fuel economy can indicate a problem with the fuel injection system, such as a faulty oxygen sensor or a leaking fuel injector.
  • Stalling Issues: Stalling, especially at low speeds, can be caused by a variety of fuel injection problems, including a faulty throttle position sensor or a clogged fuel filter.

6. Final Drive Concerns:

The Deauville 700 uses a shaft final drive, which is known for its durability and low maintenance. However, it's not entirely immune to problems.

  • Shaft Spline Wear: The splines on the driveshaft can wear over time, leading to play in the drivetrain and potential vibration.
  • Differential Issues: The differential, which transfers power to the rear wheel, can sometimes develop problems, such as worn bearings or damaged gears.
  • Oil Leaks: Oil leaks from the final drive unit can indicate a worn seal or gasket.

Digging Deeper: Specific Problems and Solutions

Let's delve into some of these problems in more detail, providing potential solutions and preventative measures.

ABS Issues: A Detailed Look

If your ABS light is illuminated, the first step is to check the ABS sensors.

  • Cleaning: Carefully clean the sensors with a soft cloth and brake cleaner. Ensure that the sensor is properly aligned with the tone ring.
  • Wiring: Inspect the wiring for any damage, such as cuts, abrasions, or corrosion. Use a multimeter to check the continuity of the wires.
  • Sensor Replacement: If cleaning and wiring checks don't resolve the issue, the sensor may need to be replaced.

For ABS pump failures or modulator unit problems, it's often best to consult with a qualified motorcycle mechanic. These repairs can be complex and require specialized tools and knowledge.

Overheating Solutions: Keeping Your Cool

Addressing overheating issues requires a systematic approach.

  • Coolant System Check: Ensure the coolant level is correct and that there are no leaks. Flush the coolant system regularly to remove any buildup of deposits. Use the correct type of coolant recommended by Honda.
  • Radiator Maintenance: Clean the radiator fins regularly to remove dirt and debris. Consider using a radiator guard to protect it from damage.
  • Thermostat Replacement: If the thermostat is suspected of being faulty, replace it with a new one.
  • Fan Inspection: Check the cooling fan for proper operation. Ensure that the fan blades are not damaged and that the fan motor is functioning correctly. Check the fan switch and wiring.

Electrical Troubleshooting: Chasing the Gremlins

Electrical problems can be frustrating to diagnose, but a methodical approach can help.

  • Battery Testing: Have the battery load tested to ensure that it's holding a charge.
  • Wiring Inspection: Carefully inspect the wiring harness for any signs of damage. Pay particular attention to connectors, which are prone to corrosion.
  • Fuse Check: Check all the fuses to ensure that they are intact. Replace any blown fuses with the correct amperage.
  • Charging System Testing: Use a multimeter to test the output of the stator and the regulator/rectifier. This will help determine if the charging system is functioning correctly.

Clutch Maintenance: Keeping the Power Flowing

Proper clutch maintenance can prevent many common clutch problems.

  • Cable Adjustment: Ensure that the clutch cable is properly adjusted. Too much slack can lead to clutch slippage, while too little slack can lead to clutch drag.
  • Oil Changes: Use the correct type of oil and change it regularly. Contaminated oil can damage the clutch plates.
  • Clutch Plate Replacement: If the clutch is slipping, the clutch plates may need to be replaced.

Fuel Injection Cleaning: Smooth Running

Maintaining a clean fuel injection system will keep your engine running smoothly.

  • Fuel Injector Cleaning: Use a fuel injector cleaner additive in your fuel to help keep the injectors clean. If the injectors are heavily clogged, they may need to be professionally cleaned or replaced.
  • Fuel Filter Replacement: Replace the fuel filter regularly to prevent dirt and debris from clogging the fuel injectors.
  • Vacuum Leak Check: Check for vacuum leaks around the intake manifold and vacuum hoses. Use a vacuum gauge to test for leaks.

Final Drive Care: Longevity

Proper maintenance of the final drive will ensure its longevity.

  • Oil Changes: Change the final drive oil regularly according to the manufacturer's recommendations.
  • Spline Lubrication: Periodically lubricate the splines on the driveshaft to prevent wear.
  • Bearing Inspection: Inspect the bearings in the differential for wear. Replace any worn bearings.

Frequently Asked Questions

  • Why does my Deauville 700 overheat? Overheating is often due to a restricted radiator, low coolant, or a faulty thermostat. Check these components first.
  • What does the ABS light mean? The ABS light indicates a problem with the Anti-lock Braking System. It could be a sensor issue, pump failure, or modulator fault.
  • Why is my clutch slipping? Clutch slippage can be caused by worn clutch plates, contaminated oil, or improper clutch cable adjustment. Inspect these areas.
  • How often should I change the final drive oil? Refer to your owner's manual for the recommended final drive oil change interval. Typically, it's every 12,000-24,000 miles.
  • My bike is stalling at low speeds, what's wrong? Stalling can be caused by dirty fuel injectors, a faulty idle air control valve, or a vacuum leak. A thorough inspection is required.

Conclusion

The Honda Deauville 700 is a fantastic motorcycle, but understanding its potential problems allows you to address them proactively. Regular maintenance and timely repairs will ensure that your Deauville remains a reliable and enjoyable touring companion for many years to come. Consult a qualified mechanic for complex issues beyond your expertise.