Question about Homelite Mighty Lite Lawn Trimmer

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Gas leaking from damaged plastic bulb on primer. How ccan I replace it? Homelite Trimmer ST 175G.

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If its built into the carb, 2 screws and a cover plate hold it in place. If it is externally mounted, if you look at it closely, you will see it may be snapped into place in the cover its in. Small engine shops and Ebay have the replacements.

Posted on Aug 01, 2010


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Posted on Jan 02, 2017


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1 Answer

Homelite weed trimmer bogs down and smothers out quits running

This could be a number of things. Clogged air filter/fuel filter/carburetor/fuel tank lid breather hole, cracked fuel line or primer bulb, or clogged spark arrestor in muffler. Here's some links that will help to change the bulb, fuel cap, fuel lines, rebuild carb, replace spark arrestor, and troubleshoot.
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Apr 27, 2014 | Homelite Garden

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I have a homelite ST-175G string trimmer. How far out do you turn the two carb adjustment screws so it will start?

I would like you to look at this carburetor tuning tutorial by a major carburetor manufacturer. They answer all your questions here:

May 01, 2011 | Homelite Garden

1 Answer

Replace a primer bulb on a Homelite Mighty Lite 26cc trimmer

There should be two to four screws right around the primer bulb cover, which is located around the primer bulb. Remove those and switch the primer bulb out.

Aug 12, 2010 | Homelite Mighty Lite Lawn Trimmer

2 Answers


You can easily get a new primer bulb for it...most small engine repair shops will have what you need, and if you want, you can most likely snag one on Ebay....DON'T THROW IT AWAY, ok?

Jul 10, 2010 | Homelite Mighty Lite Lawn Trimmer

2 Answers

Fuel Lines

Off of the primer bulb there should be two lines, one goes to the tank, the other goes to the carb

May 04, 2010 | Homelite Consumer Products 4.0 Amp, 13 In....

1 Answer

Is the primer bulb suppose to have gas in it this is a homelite

Here's a sketch that might help you. The primer bulb will keep fuel in it. 3985d0d.jpg

May 01, 2010 | Homelite Mighty Lite Lawn Trimmer

1 Answer

There is a half circle-like part which helps the gas to circulate when starting the motor, the plastic thing has a hole from which the gas leaks whenever attempts are made to start the engine. What is this...

Sounds like you are talking about the primer bulb. It is replaceable, Find a shop that can sell you a primer bulb for a Walbro carburetor or take the unit with you and they should be able to match it up.
Good day.

Nov 07, 2009 | Homelite Factory Reconditioned 26cc...

1 Answer

I have a homelitejacobsen 320 snowblower i replaced the primer bulb with one that has a single line running to it after it starts gas starts squrting out of the hole on the primer bulb how do i stop this

You need a "wet" primer bulb for the Jacobsen / Homelite snowblowers. A wet primer actually pumps gas - not air - a primer bulb with a hole in it was designed to pump air.

If you need a "wet" primer bulb email me and I will tell you where to get one for around $10 - basscatt at hotmail dot com

Feb 20, 2009 | Homelite Mighty Lite Lawn Trimmer

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