Uploaded May 2023 | Updated September 2026, 1 week ago

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This #diy #repair video shows how adjust valve lash on a twin cylinder Briggs & Stratton riding mower engine.

When the engine cranks but won't start, you may need to adjust valve clearance. For Briggs & Stratton engines, you'll need to find top dead center of cylinder motion and go 1/4-inch past that position to adjust valves accurately.

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To have a Sears Technician repair your riding mower, schedule service at searshomeservices.com/repair/riding-mower-repair-service