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Garden Tractors / Mowers / Scooters Vintage lawn and garden tractors, mowers, snow blowers, snowmobiles and other old machinery that is driven by small air cooled engines.

Garden Tractors / Mowers / Scooters

Briggs & Stratton 10 HP... backfires, then breaks / bends valves & push rods


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Old 12-16-2018, 06:48:44 PM
R Davis R Davis is offline
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Default Briggs & Stratton 10 HP... backfires, then breaks / bends valves & push rods

The 10 HP OHV Briggs is off an older Simplicity snow blower that's been "fixed" a couple of times, but as soon as it's fired up, it backfires and breaks things again.

A buddy's asked if I'd try to fix it and from what I've read, it's either a valve seizing in the guide, or a valve guide that's come loose and causing the piston to hit the valve

I'm no expert at this and that's why I'm here, I can buy a new head with valves and guides already installed, but it's not cheap and I want to make sure there's nothing else that could cause what's happening so I don't waste this guy's money.

Thoughts? And thanks!
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