
Fuel lines for mowers come in a variety of colours, including black, green, blue, and yellow. They are also available in different materials, such as rubber, PVC, and Tygon. The size of the fuel line is typically 1/4, but new fuel lines made from thinner materials may be smaller and require smaller clamps.
| Characteristics | Values |
|---|---|
| Colour | Black, green, blue, yellow |
| Material | Rubber, Tygon hose |
| Size | 1/4" |
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What You'll Learn

Fuel line size
The size of the fuel line for a mower depends on the type of mower and the type of fuel line. Most are 1/4", but some newer fuel lines are thinner and smaller on the outside. The size of the fuel line also depends on the colour, with black being used for heavy lines and green for the new type of line.
There are also 1/4" blue Tygon hoses available, which are suitable for mowers. These hoses shrink about 1" per foot after a month and can get discoloured and stiff after a couple of years.
There are also 4-foot-long fuel lines available in four different sizes for Poulan, Craftman, Chainsaw, String Trimmer and Blower.
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Fuel line colour
The most common colours for fuel lines are black, green, and blue. Black fuel lines are typically made of rubber and are considered heavy-duty or "good old-fashioned" lines. They are known for their durability and are less likely to degrade over time compared to other colours. Green fuel lines, on the other hand, are often made of a newer type of material that is thinner and more flexible than traditional rubber lines. These lines are designed to be more modern and lightweight, but they may not offer the same level of durability as black lines.
Blue fuel lines, such as the Tygon hose mentioned in one source, are also an option. While they may discolour and stiffen over time, they can still provide good performance and hold up well. Additionally, yellow fuel lines are available for specific mower models, such as the Strongthium 1/4 Fuel Line Hose Kit, which is compatible with Briggs and Stratton MTD Craftsman Troy Bilt Cub Cadet mowers.
When choosing a fuel line colour, it's important to consider the specific needs of your mower. Black lines are a reliable choice for those seeking durability, while green lines offer a more modern and flexible option. Blue and yellow lines are also viable alternatives, depending on the make and model of your mower. Ultimately, the colour of the fuel line can provide a visual indication of the line's material, durability, and compatibility with your mower, so it's important to select the right colour to ensure optimal performance and longevity.
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Fuel line material
Fuel lines are available in a variety of materials, colours, and sizes. The most common sizes are 1/4" and 4 feet long.
The most common colours for fuel lines are black, green, and blue. Black fuel lines are typically made from rubber and are considered the "heavy line". Green fuel lines are made from a newer type of material that is thinner and more flexible than traditional rubber lines. Blue fuel lines, such as the Tygon hose, are also an option and can be purchased from motorcycle shops.
When choosing a fuel line, it is important to consider the material and its compatibility with fuel. PVC, for example, is not suitable for use with fuel. Rubber fuel lines, on the other hand, are a good option as they are durable and compatible with fuel.
It is also worth noting that some fuel lines may degrade faster than others. For instance, the translucent hose tends to degrade much faster than black rubber fuel lines. Therefore, it is important to choose a fuel line that is made from a durable material and is compatible with the specific fuel type being used.
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Fuel line replacement
When choosing a fuel line, it is important to consider the colour. Black fuel lines are typically used for heavy-duty applications, while green lines are used for the newer type of line. Yellow fuel lines are also available and are suitable for use with power tools such as string trimmers, chainsaws, and blowers. It is worth noting that translucent fuel lines are not as durable as black rubber fuel hoses and will degrade faster. PVC is not suitable for use with fuel.
Once you have identified the correct type and colour of fuel line, you can purchase the necessary amount. Fuel lines are typically sold in lengths of 4 to 6 feet and can be found at hardware stores or online retailers. It is recommended to buy a little extra length to ensure a proper fit.
To install the new fuel line, simply remove the old line and replace it with the new one, ensuring that it is securely clamped in place. It is important to leave a little extra length on the new line to allow for any shrinkage or expansion that may occur over time.
Finally, it is important to dispose of the old fuel line properly. Fuel lines can be recycled, so be sure to check with your local recycling centre to see if they accept this type of material.
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Fuel line degradation
Fuel lines for mowers are available in a variety of colours, including black, green, blue, and yellow. The colour of the fuel line can be used to indicate the size of the line, with black being used for heavy lines and green for the newer, thinner type of line.
Fuel lines are made from a variety of materials, including rubber, PVC, and Tygon. The choice of material can affect the durability of the fuel line. For example, PVC is not suitable for use with fuel, and will degrade much faster than black rubber fuel lines. Tygon fuel lines have been reported to become discoloured and stiff after a couple of years, but still hold up well.
When choosing a fuel line for a mower, it is important to consider the size, material, and colour of the line. The size of the fuel line is typically 1/4", but the newer, thinner lines may be smaller and require smaller clamps. The material of the fuel line can affect its durability and performance. For example, rubber fuel lines are more durable than PVC lines, and Tygon lines have been reported to hold up well over time.
It is also important to consider the colour of the fuel line. While the colour may not directly affect the performance of the fuel line, it can be used to indicate the size or type of line. Black fuel lines are typically used for heavy-duty applications, while green lines are the newer, thinner type of line. Yellow and blue fuel lines are also available, but it is unclear if these colours have any specific meaning or are simply for aesthetics.
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Frequently asked questions
The fuel line for your mower could be black, green, yellow, clear, or greenish translucent.
Yes, avoid clear PVC lines as they are not suitable for use with fuel.
You should use rubber for your fuel line. PVC is not suitable for use with fuel.
You can buy fuel lines for mowers at L&G shops, small engine stores, or online at O'Reilly Auto Parts.











































