Top 5 Suzuki Intruder 1500 Problems: Solutions Explained 

Suzuki Intruder 1500 is the company’s flagship motorcycle. Also, it is one of their best-selling cruisers, thanks to its nearly indestructible design and construction. Suzuki introduced it in 1998, and it was an immediate hit in motorcycle tech.

A comfortable ride is one of the key features that the Suzuki Intruder 1500 offers. However, riders had multiple complaints about the motorbike over the next few years. Following it, Suzuki rebranded the Intruder 1500 in 2005 as a Boulevard C90.

During these seven years, Suzuki Intruder 1500 problems were prevalent. It included a rough start, faulty ECU, high-speed engine failure, and battery failure to charge. If you wish to acquire this classic and vintage motorcycle, you should know about these problems. Then, you may yield the best riding experience even with the oldest Suzuki 1500 Intruder.

Suzuki Intruder 1500 Problems

Top 5 Suzuki Intruder 1500 Problems And Their Solutions

Top 5 Suzuki Intruder 1500 Problems And Their Solutions:

Cruise bike builder lovers often appreciate the sleeky yet classic design of the Intruder 1500. Also, the motorbike has potent starter motors and agility to ride through the harshest roads.

The Suzuki Intruder 1500, beloved by motorcycle enthusiasts, can sometimes encounter a few common issues. The first problem relates to the stator, which can cause charging system failures. A solution is to replace the faulty stator. Another issue is a dead battery, often caused by loose battery connections.

Ensuring proper battery connections can solve this problem.  Motorcycle technology, such as the ignition coil, may malfunction, leading to starting troubles. Replacing the faulty ignition coil resolves this.

Lastly, addressing customer concerns, proper maintenance and regular inspections can prevent these problems from occurring. And if you already have one, this troubleshooting will help boost the motorbike’s performance. Here are 5 Suzuki intruder 1500 problems and how to fix them.

Problem 1: Rough start

Rough start

Intruder 1500 often faces a problem at the start. So, riders have complained about starting issues with the motorcycle. It may happen in different conditions. Most riders reported that the Intruder 1500 finds it hard to start if idle for a long time.

The hard start problem is more acute in cold regions where the engine rebuild needs time to warm up. Also, if you have kept the motorcycle unused for a long time, it will continue. Ignition switch coils are a common issue found in Suzuki Intruder 1500 motorcycles.

Reasons Intruder 1500 Fails To Start:

The Suzuki Intruder 1500 is a brilliant motorcycle similar to the Kawasaki Vulcan 1500. However, its engine may not start for different reasons.

  • A dirty, damaged, or problematic spark plug
  • Low oil level in the fuel tank and poor oil quality
  • Clogs and inaccurate connections in the battery

Fixing The Rough Start Problem:

First, check the fuel if you fail to kickstart your Intruder 1500. Mostly, the fuel tank can be empty or run low on oil. So, refueling the motorbike should solve the problem. At times, your Intruder 1500 may run with inadequate primary oil. Thus, you must check primary oil using a dipstick. If there are not enough primary fluid levels, replace it ASAP. Or else the engine might get damaged permanently.

Next up, check the spark plug. Sometimes, dirt and residue can accumulate over it. If this is the case, cleaning it with WD-40 cleaner or rubbing alcohol should solve the problem. For a worn-out or damaged spark plug, you should change it. You can get a high-quality aftermarket spark plug for less than $20. Finally, clogs and inappropriate connections work against the Intruder 1500 engine.

Problem 2: Battery Failing To Charge

Battery Failing To Charge

The rough start of the Suzuki Intruder 1500 engine is often linked to battery transmission issues. The battery may sometimes not charge or have less energy than required to power the engine. Also, the battery charging operation is a crucial point of the Suzuki Intruder 1500.

The battery provides the necessary electricity to run the electrical components of the motorcycle. So, the battery won’t power up the electrical components when it isn’t charged. As a result, you may need to compromise with comfort and safety issues.

Reasons For Battery Failure:

  • Age and wear
  • Insufficient charging
  • Excessive discharge
  • Corrosion
  • Extreme temperatures
  • Faulty electrical components
  • Improper maintenance

Signs Of A Battery Failing To Charge:

Identifying the battery issues in Intruder 1500 is relatively easy. You may find the following signs for it.

  • Fast-draining battery
  • Dim headlights
  • Hard starts
  • Malfunctioning electrical components

Fixing The Battery Charging Problem:

The key to avoiding battery problems in the Suzuki Intruder 1500 is to follow the user manual. The manual will describe how to use, charge, and maintain the Suzuki battery for the best results. When the battery fails to charge, check the rectifier.

You can take the motorcycle to a mechanic and change the damaged rectifier. It will take less than $25 and only a couple of minutes. If the start is causing the problem, replace it too.

Sometimes, the battery will have dead cells. Then, it would be best if you replaced it. We have talked with many riders, and they recommended the following replacement battery for the Suzuki Intruder 1500. YTX16-BS Battery is a rechargeable SLA battery. It has applications in a wide temperature range and lasts five to seven years. Also, you may even use it for ATV, UTV, etc.

Problem 3: Faulty ECU

Faulty ECU

The worst Suzuki Intruder 1500 problem you may face is the faulty ECU. Once the ECU starts acting up, diagnosing it can be indeed challenging. The problem may be with its hardware, software, or somewhere else.

So, you must act faster to figure out the Suzuki Intruder 1500 ECU problem. Motorcycle owners may experience issues with the Suzuki Intruder 1500. A discussion about performance is essential when addressing the problems faced by the Suzuki Intruder 1500. 

Reasons For Faulty ECU

  • Electrical issues
  • Water damage
  • Overheating
  • Software glitches
  • Voltage fluctuations
  • Wear and tear
  • Lack of maintenance

Fixing The Problematic ECU

The ECU is an integral part of the Intruder 1500 motorcycle. So, when it starts acting up, you must fix it. You may start by resetting or flushing the ECU to adjust it to its proper settings. As you reset the ECU, you should follow a few standard procedures. The engine rebuild of the Suzuki Intruder 1500 is a common solution to address performance issues.

Nonetheless, ECU removal, resetting, and fixing can be indeed troublesome. So, we strongly recommend you seek help from a professional mechanic. You can visit Suzuki service shops or get it fixed by local motorcycle mechanics. The ECU replacement and fixing may cost you $100 to $150, including the labor cost. So, it should be on time.

4. Fuel System Troubles

Fuel System Troubles

One of the most common fuel system problems Suzuki Intruder 1500 owners face is difficulty starting the engine. This can be attributed to a faulty fuel pump or a clogged fuel filter. When the fuel pump fails to deliver the necessary fuel to the engine, starting the bike becomes challenging.

Additionally, a clogged fuel filter can restrict fuel flow, leading to poor engine performance and stalling. Another issue that has been reported is fuel leaks. This can occur due to damaged fuel lines or a malfunctioning fuel tank. A fuel leak not only poses a potential safety hazard but can also result in a loss of fuel, reducing the overall efficiency of the motorcycle.

Reasons For Fuel System Troubles

  • Clogged fuel filter
  • Faulty fuel pump
  • Dirty or contaminated fuel injectors
  • Fuel line leaks or damage
  • Incorrect fuel mixture
  • Faulty fuel pressure regulator
  • Electrical issues with the fuel system components
  • Old or deteriorated fuel hoses
  • Fuel tank venting problems
  • Poor fuel quality or water contamination

Fixing The Fuel System Troubles

Start by observing any symptoms that may indicate a fuel system issue. These can include difficulty starting the bike, rough idling, hesitation during acceleration, or poor fuel efficiency. Inspect the fuel tank, fuel lines, and fuel pump for any leaks, blockages, or damage. Ensure that all connections are secure.

  • Check for any fuel leaks in the system
  • Inspect the fuel filter and clean or replace it if necessary
  • Clean the fuel injectors to ensure proper fuel flow
  • Check the fuel pump for any issues and replace if needed
  • Inspect the fuel lines for any blockages or damage
  • Ensure the fuel tank is clean and free of debris
  • Check the fuel pressure regulator for proper function
  • Verify the ignition system for any related issues
  • Consider using fuel system cleaning additives to improve performance

5. Suspension And Handling Concerns

Suspension And Handling Concerns

Firstly, diagnosing the fuel system problem of the Suzuki Intruder 1500 is important. This can be done by examining the symptoms and conducting a comprehensive inspection. Common issues include clogged fuel lines, a malfunctioning fuel pump, or a faulty fuel injector.

Once identified, a systematic approach should be followed to fix the problem. This involves acquiring necessary tools and replacement parts, if needed, and following the manufacturer’s guidelines for Auto Repair.

It is advisable to consult the motorcycle’s service manual or seek assistance from a qualified technician. Safety precautions should be taken, such as using protective gear and working in a well-ventilated area. Double-checking connections and ensuring proper installation of components is also recommended to prevent any issues.

Reasons For Suspension And Handling Concerns

  • Insufficient damping
  • Bottoming out
  • Lack of adjustability
  • Limited ground clearance
  • Sluggish steering responsiveness
  • Poor tire grip

Fixing The Suspension And Handling Concerns

It is important to address these issues in order to optimize the overall performance and riding experience of the motorcycle. The suspension system plays a crucial role in providing stability, control, and comfort while riding, especially during cornering and uneven road conditions. To start, it is recommended to thoroughly inspect the suspension components, including the forks, shock absorbers, and any linkage systems.

  • Identify concerns with suspension and handling
  • Inspect for damage or wear on suspension components
  • Replace worn or damaged parts
  • Check and adjust wheel alignment
  • Evaluate and adjust tire pressure
  • Inspect for additional issues
  • Consider upgrading components
  • Test drive to assess repairs and adjustments
  • Regularly maintain and service the suspension system


To sum up, the Suzuki Intruder 1500 has its fair share of problems, but it remains a popular choice among motorcycle enthusiasts. Apart from these top five problems, you may also encounter power loss at high speed. Usually, clogged filters and poorer oil quality are responsible for it. You can clean the engine parts and filters, change the spark plug to solve it, and ride at high speed.

However, it is important to note that not all Suzuki Intruder 1500 owners experience these problems. Many riders have had a positive experience with the Suzuki Intruder 1500 and have not encountered any major issues.

The Suzuki Intruder 1500 has become a cult motorcycle with more than 25 years of presence in the arena. You can get one if you want to get it as a collectible. However, knowing about the Suzuki Intruder 1500 problems with riding the motorcycle will be helpful.



1.Are Suzuki Intruders Fast?

Ans: Yes, Suzuki intruders are known for their speed and performance. With their sleek and aerodynamic design, these awesome bikes are built to deliver exhilarating rides and unmatched power on the road.

2.Is Intruder A Cruiser Bike?

Ans: No, Intruder is not a cruiser bike. The Intruder, produced by Suzuki, falls into the power cruiser category.

3.Is Suzuki Intruder Comfortable?

Ans: Yes, the Suzuki Intruder is generally considered to be comfortable for riders. It features a well-padded seat, ergonomic handlebars, and a relaxed riding position that allows long hours of riding without causing discomfort.

4.What Is The High Speed Of Intruder Bike?

Ans: The high speed of Intruder bike is around 150-160 km/h. This exceptional performance is achieved through cutting-edge engineering, advanced aerodynamics, and a powerful engine.

5.Is Suzuki Motorcycle Durable?

Ans: Yes, Suzuki motorcycles are known for their durability. They are built with high-quality materials and undergo rigorous testing to ensure longevity.

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