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How do you route fuel lines on a troy-bilt jump start 4 stroke with primer on the cover. How does it go from the primer, to the tank, to the carb?

I’ve seen many folks with questions regarding the correct routing of fuel lines on machines that use a 3 port primer (purge) bulb. My answer is rather lengthy so if I can help please email me at walthoddinott@yahoo.com. I’m an old hand at small engines. Prior to Covid I had my own small engine repair business. I’ve got just over 45 years doing this! I will prepare a response with diagrams and photos to get you through this. Thanks all and be safe!

I did a video on it on youtube with a diagram from Troybilt. https://www.youtube.com/watch?v=jT6acdJ6

Primer has two outlets one goes to gas tank where does the other