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JON, Small Engine Technician
Category: Small Engine
Satisfied Customers: 1104
Experience:  Certified Small Engine Technician
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Riding mower engine running unevenly. 6yr old deere la105

Customer Question

Hi Pearl. Riding mower engine running unevenly.
JA: What's the make and model of the mower? And can you guesstimate how old it is?
Customer: 6yr old john deere la105 with Briggs and Stratton engine.
JA: Do you plan on doing the work yourself?
Customer: yes
Submitted: 1 year ago.
Category: Small Engine
Expert:  JON replied 1 year ago.

Sounds like one side of the engine may not be firing if it is running unevenly. While mower is running pull each plug individually, and see if mower stays running each time a plug wire is pulled off. If you pull one side and mower dies, the opposite side is the dead side. Also pull valve cover and check valve clearance and also the push rods for bends or disconnect

Expert:  JON replied 1 year ago.

Let me know if I can assist any further