5 Most Common Kawasaki FS730V Problems (Solutions Included)

Today we are looking at the Kawasaki FS730V. This a lawn mower model made by Kawasaki. Our focus is on the common Kawasaki FS730V problems. Plus we will also look at the solutions to address those problems.

Table of Contents

What Is The Kawasaki FS730V?

The Kawasaki FS730V is a 2 cylinder, 726cc lawn mower. The Kawasaki FS730V has a 4 stroke, vertical shaft V-Twin, OHV air-cooled engine. It delivers maximum power of 16.5W or 22.1 HP at 3600 RPM. The Kawasaki FS730V delivers solid and powerful performance. We must explore the common Kawasaki FS730V problems though.

Kawasaki FS730V Problems

Knowledge of the common Kawasaki FS730V problems is pertinent. It will prime you to develop practices that will avoid common Kawasaki FS730V problems. In the event that the problems still arise, you will be better prepared too. Here are some of the common Kawasaki FS730V problems:

1. Engine Not Starting

It often occurs that a Kawasaki FS730V may not start. Many Kawasaki FS730V users usually cite this problem. When the engine of your Kawasaki FS730V is not starting the possible causes could be:

  • Faulty or worn out spark plugs.
  • Low, stale, wrong, or contaminated fuel.
  • Fuel filter may be clogged or faulty.
  • Fuel valve and or engine switch may be in OFF position.

Troubleshooting Engine Not Starting Problem

When your Kawasaki FS730V is not starting start by checking the fuel system. That is often the culprit but do check other systems and components as well. Probable remedies when your Kawasaki FS730V will not start are:

  • Fix or replace spark plugs.
  • Top up or replace fuel.
  • Fix, flush, or replace fuel filter.
  • Ensure fuel valve and engine switch are both ON.

2. Low Output

This is yet another common Kawasaki FS730V problem. Whilst operating your Kawasaki FS730V it may be producing low power. Some of the common causes of this problem are:

  • Air cleaner may be clogged.
  • Air inlet screen could be clogged.
  • Low engine oil.
  • Carbon may have accumulated in the combustion chamber.
  • General poor ventilation.

Troubleshooting Low Output Problem

When you encounter this problem you first of all conduct some checks. This will give you a good idea of where the issue may be coming from. After narrowing down the possible causes you can then:

  • Clean or replace air cleaner.
  • Clean or replace air inlet screen.
  • Top up engine oil.
  • Clean combustion chamber.
  • Ensure engine is well-ventilated.

3. Engine Surging

This is also another common Kawasaki FS730V problem. This is a problem where your Kawasaki FS730V does not run consistently. Often when this occurs your Kawasaki FS730V will be revving out of control. This is a problem that is commonly caused by:

  • Blocked fuel lines.
  • Inadequate, stale, wrong or contaminated fuel.
  • Faulty or worn out spark plug.
  • Faulty or dirty carburetor.
  • Governor control could be faulty.
  • Gasket may be faulty.

Troubleshooting Engine Surging Problem

Engine surging is usually an easy problem to tackle. Just make sure you establish the accurate root cause. Some of the solutions you can explore to address the problem are:

  • Flush or replace fuel lines.
  • Top up or replace fuel.
  • Fix or replace spark plug.
  • Fix or replace carburetor.
  • Fix governor control unit.
  • Fix or replace gasket.

4. Fuel Leaking

You may notice that fuel is leaking from your Kawasaki FS730V. Mostly this problem stems from components part of or connected to the fuel system. This is a common Kawasaki FS730V problem that is often caused by:

  • Carburetor may be damaged.
  • Fuel lines could be clogged or cracked.
  • Float assembly may be faulty.
  • Fuel tank may be damaged.

Troubleshooting Fuel Leaking Problem

The problem of fuel leaking is usually straightforward to deal with. You just have to conduct thorough checks on the fuel-related components. Once you have narrowed down the probable causes you can try out the following:

  • Fix or replace carburetor.
  • Clean or replace fuel lines.
  • Fix float assembly.
  • Replace fuel tank.

5. Battery Drain

This is yet another common Kawasaki FS730V problem. This is when the battery rapidly depletes more than usual. This problem is usually caused by:

  • Battery may be old.
  • Alternator could be faulty.
  • Voltage regulator may be faulty.
  • Fuel quality could be poor.

Troubleshooting Battery Drain Problem

When this problem arises you must check the battery and other components connected to it. That will give you an idea of the actual cause(s). Then you can explore the following remedies:

  • Replace batter with new one.
  • Fix or replace alternator.
  • Fix or replace voltage regulator.
  • Ensure fuel quality is high.

How To Avoid Kawasaki FS730V Problems

Regular service and maintenance are central to avoiding Kawasaki FS730V problems. Get your Kawasaki FS730V regularly serviced as per recommended schedule. Before and after every use always conduct maintenance checks. While you are at it, you must do oil changes and or replace worn out components if necessary. After every use you must clean your Kawasaki FS730V. Always ensure there is no residual moisture before storing it. A cool, dry place is ideal for storing your Kawasaki FS730V. By doing all these you will avoid common Kawasaki FS730V problems.

How Long Do Kawasaki Engines Last?

Kawasaki engines have an average life expectancy of around 3500 hours. This is typically accompanied by oil change intervals of after every 50 to 100 hours. However, it is common to begin noticing a general decrease in power after roughly 2800 hours of runtime.

When Should I Do My First Oil Change After Purchasing A New Kawasaki FS730V?

It is recommended that your first oil change should be after 25 hours. Then afterwards you can do oil changes after every 100 hours. Regardless you must always check oil levels as often as possible.


You will not go wrong by purchasing the Kawasaki FS730V. There are so many upsides to using a Kawasaki FS730V. The common Kawasaki FS730V problems are overshadowed given that you can avoid them. Plus when they do pop up you are now equipped with the knowledge to address them. Thus common Kawasaki FS730V problems should not be a deal breaker.