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Kawasaki FR730V Oil Type- We’ve Included What You Are Looking For!

by Jack Grover
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Many homeowners rely on machines powered by the Kawasaki FR730V engine. Alas, not everyone is aware of this engine’s specific needs.

A frequent concern is: What type of oil does a Kawasaki FR730V take?

Kawasaki lawn mower engines can use various engine oils, including the synthetic blend 10W-40. However, if you’re searching for the best oil recommendation for your lawn mower, it’s crucial to consider additional factors beyond just the oil type.

One such element is the operating temperature of your lawn mower, which can vary depending on the time of year. External factors like climate also play a role in determining the right engine oil for your equipment.

When choosing a suitable Kawasaki FR730V oil type, consider the factors discussed below. Keeping them in mind will assist you in selecting the best oil type for your specific needs and circumstances.

Lawn Mower Oil Recommendations

The type of oil used in a Kawasaki FR730V engine can vary depending on several factors. The most important considerations are:

  1. the operating conditions of your engine,
  2. personal preferences.

By understanding the different oil types and their suitability for specific temperature ranges, you can make an informed decision that caters to your regional climate.

To choose the most suitable oil for your engine, consult the reference table below. It outlines various oil types and their corresponding temperature ranges.

Oil Type/GradeOperating TemperatureBest Temperature To Use
SAE 3050-90°F/10-33°CWarm Temperature
SAE 10W-3014-90°F/-10-33°CMedium Temperature
SAE 10W-4014-110°F/-10-43°CGood for All Temperatures
SAE 20W-5032-113°F/0-45°CWarm Temperature
SAE 5W-20-22-32°F/-30-0°CCold temperature
SAE 5W-30-20-40°F/-29-4°CCold temperature
Vanguard Synthetic 15W-5020-120°F/-7-55°CGood for All Temperatures

Kawasaki Oil Reference Chart

You cannot use just any oil in your Kawasaki lawn mower engine. It’s essential to select an oil type that not only fuels the machine but also protects it from damage.

Some of the most common options include synthetic oils and blends, specifically those certified as SJ or higher.

One thing to avoid is using automotive oils. These types of oil lack additives like high-lubricity zinc, which prevents engine damage. Instead, opt for 4-stroke oils or equivalent alternatives designed for these engines.

Kawasaki Engine USA recommends synthetic blends such as 10W-30, 10W-40, or 20W-50 for maximum performance in both low and high-temperature applications.

Among these blends, 10W-40 is the top choice for most weather conditions. However, adjusting the oil viscosity according to regional and seasonal temperature changes is vital for optimal results.

The following chart presents the oil types that match the requirements for a Kawasaki mower engine in various weather situations. Have a look!

oil temperature chart


  • Operating temperatures above 27°C (80°F) can lead to increased oil consumption for the SAE 10W-30 oil type. Therefore, it’s essential to monitor the engine oil level and stay prepared for more frequent refilling.
  • Consult the user manual for the Kawasaki FR730V engine’s specific oil recommendation for the appropriate oil level for a particular machine..
  • When refilling the mower engine with oil, be cautious not to overfill it. Use a dipstick to avoid any unnecessary waste or spillage.
  • If the temperature drops below 4°C (40°F), SAE 30 oil may cause a hard engine start. In such cases, consider changing the oil type to match the temperature conditions.

When Does The Kawasaki FR730V Engine Need Oil Change?

The Kawasaki FR730V Engine has a fixed oil changing schedule to ensure optimal performance. According to the manual, this lawn mower engine requires its first oil change after the initial eight hours of operation. Subsequent oil changes should be carried out every year or after every 50 hours of operation, whichever comes first.

It is crucial to adhere to the recommended oil change schedule, regardless of the type of oil used. Regularly changing your oil prevents any potential damage to the engine and ensures it runs smoothly for longer periods.

Additionally, we suggest performing the oil change in the fall season to avoid exposure to corrosive particles from the environment. When storing the engine for the next season, it’s best to store it with clean oil and remove any contaminated fuel from the engine compartment.

By following these guidelines, you can maintain the longevity of your Kawasaki FR730V Engine and enjoy efficient performance throughout its lifespan.

Final Thoughts

The Kawasaki FR730V is a 4-cycle engine specifically designed for lawn mowers. As with any other engine, it requires oil to ensure smooth operation and prevent premature wear and tear.

Fortunately, many oil types are compatible with the FR730V. You can easily find them at most auto parts stores.

When choosing the right oil for your Kawasaki FR730V lawn mower, consider factors such as the climate in your area and the specific requirements of the machine. Using the appropriate oil will not only keep the engine running smoothly but also extend its life.

You Can Also Read:

Frequently Asked Questions (FAQs)

How much oil does a Kawasaki FR730V Take?

The Kawasaki FR730V lawn mower engine takes approximately 2 quarts of oil to keep it running smoothly.

What kind of oil does a Kawasaki lawn mower engine take?

In general, Kawasaki lawn mower engines are compatible with SAE 10W-30 and SAE 30 engine oils, depending on the operating temperature.

However, you can also use different viscosity motor oils. For instance, SAE 20W-50 and 10W-40 engine oil are also common in this lawn mower engine.

You may need to change the oil viscosity according to the seasonal temperature. Also, change the oil to 20W-50 in a higher temperature region to reduce oil consumption.

What is SAE 30 oil?

SAE 30 oil, a type of single-grade oil, is specifically designed to maintain its viscosity within warm temperatures. As such, it is often used in warmer climates and in engines operating at higher temperatures.

Developed by the Society of Automotive Engineers/SAE, this oil has an Engine Oil Viscosity Grade of 30. It is commonly used in older vehicles, from lawn mowers to other small engines.

This oil is also thicker than most other motor oils, which helps to protect older engines from wear and tear.

Is 10W-30 the same as SAE 30?

No, SAE 10W-30 is not the same as SAE 30. While SAE 30 is a single-grade oil, 10W-30 is a multigrade variant.

Multigrade oils are designed to flow better at low temperatures than single-grade oils, making them ideal for use in cold weather. The “W” in its name stands for “winter,” meaning this oil performs well in lower temperatures.

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