
The fuel line size for a Honda mower depends on the model. For example, the Honda GX160 and GX200 Fuel Line has a size of 4.5mm ID x 165mm and is 7-1/4 long. The Honda GX240 and GX270 Fuel Line, on the other hand, has a size of 4.5mm ID x 215mm and is also 7-1/4 long. There are various types of fuel lines available, such as Tygon, Viton, and Silicone, and they come in different sizes, such as 3/16, 5/16, and 1/4.
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What You'll Learn

Honda GX160 and GX200 Fuel Line
The Honda GX160 and GX200 engines are small engines that are compatible with a 3/16" x 13/32" fuel line. This fuel line size is also compatible with other Honda small engines, including the GX120, GX140, and GX110.
When purchasing a fuel line for your Honda mower, it is important to ensure that you are buying a genuine Honda part or a compatible replacement. There are many aftermarket options available from online retailers and speciality stores. It is always a good idea to check the compatibility of the fuel line with your specific engine model to ensure a proper fit.
The Honda GX160 and GX200 engines are commonly used in lawn mowers, generators, and other small equipment. Over time, the fuel line in these engines may become brittle, cracked, or clogged, requiring replacement. It is recommended to inspect the fuel line periodically and replace it if any signs of damage or wear are noticed.
In addition to the fuel line, there are also other related parts that may need to be replaced or maintained, such as the fuel filter, carburetor, and fuel tank. These parts work together to ensure the proper delivery of fuel to the engine, so it is important to keep them in good working condition.
When replacing the fuel line in your Honda GX160 or GX200 mower, it is important to follow the correct procedures and safety precautions. Make sure to refer to the owner's manual or seek assistance from a qualified technician if you are unsure about the installation process.
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Honda GX240 and GX270 Fuel Line
The Honda GX240 and GX270 engines require a fuel line with a size of 3/16" x 13/32". This measurement is standard for a variety of Honda engines, including the GX340 and GX390. The length of the fuel line hose is approximately 5 meters, or 16.4 feet.
There are a number of fuel line options available for these engines, including the Haishine fuel line hose, which is available on eBay. This hose is made of traditional black rubber and has a thin wall. It is designed to replace the original equipment manufacturer (OEM) part for the Honda GX240 and GX270 engines.
Another option is the NEM Honda GX240 and GX270 fuel line, which is made of neoprene. This fuel line is also designed to replace the OEM part and is available on Amazon. However, please note that this product may not always be in stock.
It is important to ensure that you are purchasing the correct fuel line for your specific engine and application, as using an incorrect fuel line can cause issues with fuel flow and engine performance. Always refer to the owner's manual or a qualified technician if you are unsure about the correct fuel line size or type for your equipment.
In addition to the fuel line, it is also important to consider the condition of the fuel filter and other components in the fuel system. Regular maintenance and inspections can help ensure the optimal performance and longevity of your Honda mower. By taking care of the fuel system and following the manufacturer's recommendations, you can maximize the life of your mower and minimize the need for costly repairs.
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Tygon tubing
One advantage of Tygon tubing is that it allows you to see the fuel flow. It is important to note that only the translucent yellow Tygon tubing should be used for outdoor power equipment, as it is alcohol-resistant and suitable for use with ethanol-blended gas. The clear tubing is not suitable for this purpose.
While Tygon tubing is a convenient option for fuel lines, some users have reported that it tends to shrink and harden with age, potentially leading to leaks. This can occur within two years or less when used with E10 fuel. Therefore, it is recommended to opt for name-brand Tygon tubing to ensure longer-lasting performance.
As an alternative to Tygon tubing, some people prefer using rubber fuel lines from well-known brands like Gates or Goodyear. These rubber lines are reported to have better longevity, but they do not offer the same level of visibility into fuel flow as Tygon tubing. Ultimately, the choice between Tygon tubing and rubber fuel lines depends on individual preferences and the specific requirements of your Honda mower.
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Viton tubing
A Honda mower requires a fuel line size of 3/16" x 13/32" for the Honda GX160 GX200 GX120 GX140 GX110 Small Engine.
The chemical resistance of Viton tubing allows it to handle hydraulic fluid, acids, and other harsh substances. It is resistant to hydrocarbons such as benzene, carbon tetrachloride, toluene, and xylene, which can act as solvents on other materials. Viton's fluid resistance exceeds that of most other synthetic rubbers, making it a reliable choice for applications involving petroleum-based fluids.
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Silicone lines
Silicone fuel lines are a popular choice for Honda mower owners. They are known for their durability, flexibility, and longevity. One user reports that their 15-year-old Honda mower's original silicone fuel line still looks new. Silicone fuel lines are also compatible with ethanol-based fuels and are available in various sizes to fit different Honda mower models.
When it comes to sourcing silicone fuel lines for your Honda mower, several options are available. Some users have recommended purchasing them from online retailers like AliExpress or eBay. These sources offer a range of sizes and lengths, allowing you to find the perfect fit for your mower. It is advisable to opt for fuel lines rated for fuel and vacuum applications, as they are designed to withstand the demands of fuel systems.
Additionally, you can explore local Honda dealers or auto parts stores to find replacement fuel lines specifically designed for Honda mowers. These dealers often carry fuel lines that meet the original equipment standards, ensuring a precise fit and reliable performance. It is worth noting that some users have mentioned the difficulty in finding the grey silicone-like fuel line used by Honda at auto parts stores, but it is always worth checking with your local dealers.
While silicone fuel lines are generally durable, some users have reported issues with cracking and shrinkage after a week of use. This highlights the importance of proper installation and ensuring that the fuel line is securely clamped to prevent leaks. It is recommended to inspect your fuel line regularly and replace it if any signs of damage or degradation are noticed.
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Frequently asked questions
The Honda GX160 mower requires a fuel line with a 4.5mm internal diameter and 165mm length. The part number for this fuel line is 95001-45200-40S.
Viton tubing is a popular choice for fuel lines as it is flexible and robust. Tygon F4040-A is also recommended, although it tends to harden within a couple of years.
Fuel lines for Honda mowers can be purchased from various online retailers, including Amazon, eBay, and RepairClinic. Local dealers may also sell Honda fuel lines.











































