Stihl Fs80 Fuel Line: Choosing The Right Size

what size fuel line should be on a stihl fs80

The Stihl FS80 is an older unit, with a 3-piece fuel line setup. The 4137 series, which includes the FS80, has two separate fuel lines (one supply and one return) and each has a separate grommet in the tank. The Stihl fuel line for the FS80 is 3.1mm x 5.7mm and is part number 0000 937 5004 for a 3-foot length. The grommets are part number 0000 989 0516.

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The Stihl FS80 fuel line is 3.1mm x 5.7mm

It is important to have a properly sealed fuel line, especially when it passes through a grommet. The Stihl FS80 fuel line is designed to fit securely and prevent leaks. However, some users have reported issues with the size of the fuel line, finding it too small for their needs.

There are alternative fuel lines available on the market, such as the Echo fuel line, which measures 3mm x 5mm. While this option may fit, there is a risk of it being loose in the fuel tank grommets. To ensure a proper fit and prevent leaks, it is recommended to use the Stihl line designed specifically for the FS80 model.

The Stihl FS80 fuel line is available as a grommet kit, which includes the necessary parts for installation. This kit provides a sufficient amount of fuel line for chainsaws and trimmers. It is important to consider the specific model and series of your Stihl equipment to ensure compatibility with the correct fuel line size and type.

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The FS80 has a 3-piece fuel line setup

The Stihl fuel line for the FS80 (4137 series) is 3.1mm x 5.7mm in diameter and is part number 0000 937 5004 for a 3-foot length. The grommets are part number 0000 989 0516. Using the Stihl line ensures a proper fit and no leaks.

There are alternative options for fuel lines, such as the Echo 90014 (3mm x 5mm) or the Echo 90015 (3mm x 6mm). However, the Stihl line is specifically designed for the FS80 and will provide the best fit and performance.

There are also fuel line kits available from third-party suppliers, such as the Podoy FS80 Fuel Line and Grommet Kit, which is compatible with the Stihl FS80 and has received positive reviews for its functionality, ease of installation, and value for money.

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The Podoy FS80 Fuel Line FS85 Grommet Kit is compatible

The Podoy kit is a cost-effective solution for Stihl users, providing a generous amount of fuel line and grommets at a reasonable price compared to Stihl dealer costs. It is also easy to install, with some customers reporting that it fits snugly and doesn't leak. However, there are mixed reviews regarding the size of the fuel line, with some finding it too small or difficult to attach to the Stihl fuel filter.

To ensure a successful installation, it is recommended to follow the advice of one reviewer who suggests putting the grommet on the fuel line first and then carefully working it into the fuel tank using a tool to avoid cutting the grommet. Additionally, using a lubricant like Vaseline can help the grommets slide right in.

The Podoy FS80 Fuel Line FS85 Grommet Kit is a versatile product, suitable for a range of Stihl trimmers, brush cutters, and chainsaws. It is a popular choice for those looking to fix fuel leaks and improve the performance of their Stihl equipment.

Overall, the Podoy FS80 Fuel Line FS85 Grommet Kit is a convenient and affordable solution for Stihl FS80 and FS85 owners who want to maintain or upgrade their fuel lines and grommets. With easy installation and a snug fit, it is a practical option to consider.

The Fuel Line: Where Does It Connect?

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The Stihl fuel line is 5.7mm outer diameter

The Stihl FS80 is an older unit, featuring a 3-piece fuel line setup. The fuel line for the FS80 (4137 series) is 3.1mm x 5.7mm in diameter, with the part number 0000 937 5004. The outer diameter of the Stihl fuel line is 5.7mm, which is larger than the 3/16" or 4.7mm size of other fuel lines.

The Stihl FS80 has two separate fuel lines, one supply and one return, each with its own grommet in the tank. The grommets for the FS80 are part number 0000 989 0516. It is important to ensure that the fuel line fits properly through the fuel tank grommet and that the ID fits tightly on the carburetor stems.

Users have reported that the Podoy FS80 Fuel Line FS85 Grommet Kit, available on Amazon, is a functional and well-fitting product for the Stihl FS80. It is easy to install and provides plenty of fuel line for chainsaws. However, some customers have noted that the product is too small, so it is important to check the part for proper fitment.

Another option is to use a Tygon fuel line, which is alcohol-resistant and fits a wide variety of handhelds. The size of 3/32" x 3/16" is recommended, although it is smaller than the Stihl fuel line at 4.7mm in outer diameter.

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The Stihl FS80 is an older unit

The FS80 has been described as a "great trimmer" with good power and reliability. It can run dual .095 line and has enough power for a brush blade. The FS80 is also known for its simplicity and lightweight design, making it a preferred choice for some users over more powerful models like the 4mix.

Over time, Stihl made changes to the FS80's fuel line system. The older 4180 series had a one-piece fuel line where the tank grommet was integrated into the fuel line assembly. This was replaced with a three-piece fuel line setup, consisting of a moulded tank line, a short supply line, and a short return line.

The FS80 (4137 series) has two separate fuel lines (one supply and one return) and each line has its grommet in the tank. The Stihl fuel line for this series is 3.1mm x 5.7mm in diameter, and the grommets have a part number of 0000 989 0516.

While the FS80 is an older model, it is still appreciated by users for its functionality and performance. Some users have even compared it to newer models, stating that their "old FS80 just works".

Frequently asked questions

The Stihl FS80 fuel line is 3.1mm x 5.7mm and is part number 0000 937 5004 for a 3-foot length.

The part number for the Stihl FS80 fuel line is 0000 937 5004.

The Stihl FS80 fuel line can be purchased from authorised Stihl dealers or online retailers such as Amazon.

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