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Small Engines (Lawn Mowers, etc.)/Gas cap for 125bt Huskvarna blower

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Question
I have a. 125BT Husqvarna backpack blower that started leaking gas from the vent hole on the tank cap.  I purchased a new (brand name) cap but it still is leaking from the vent hole in the cap.  The original cap had a rubber gasket but it does not block the gas from reaching the vent hole.  Is the gasket supposed to cover the vent?  What is the part number for the cap gasket?

Answer
The cap will likely leak from the vent hole in the cap.  This allows the the pressure to bleed off preventing the fuel tank from expanding.  It also allows air to enter the tank preventing a vacuum from developing and starving fuel from the engine.

The gas cap part number is 695008092.

The gas cap breather is part number 531003347.

Eric

Small Engines (Lawn Mowers, etc.)

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Eric A. Jones

Expertise

Lawnmower Repair . Certified Master Service Technician from B&S. Have 23 years experience on B&S, Lawn Chief, Weed Eater, Echo, Peerless, Wheel Horse, Snapper, Atlas, MTD, McCulloch, Homelite and many other numerous brands. Specialize in electrical repair.

Experience

Born and raised in the midwest. Started tinkering with engines when I was about 14 on my Suzuki RM-80. I began lawn mower repair at a small hardware store. I knew absolutely nothing. I read lots of repair manuals and met an older fellow who taught me many lessons. I continued working on small engines through high school and paid my way through college working on mowers at the same hardware store. Decided to get away from the midwest and mower repair so I joined the Air Force. I repaired air traffic control electronic equipment and ended up in Hawaii where I got a part time job at Small Engine Clinic. I gained a lot of experience from the Small Engine Clinic and had a blast repairing small engines. I then took the Briggs and Stratton Master Service Technician test and earned my MST. I then traveled to Wisconsin where I attended the factory update training seminar and received formal training. Continued working on mowers part time as I completed 20 years of military. Retired from the military on a Friday and continued in the lawn and garden industry the next Monday.

Education/Credentials
MAS Aerospace Operations BA Mathematics AAS Electronic Communications AAS Electronic Technology

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