Repair guides and support for riding, or ride-on, mowers, also known as lawn tractors, of all types used in tending large tracts of land.

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briggs and stratton 17 hp ohv valve specs

I'm looking for what the valve setting spec are on a 2003 Model 31C777, Type 0173E1 (17 Hp) motor.

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Jeff, double check your numbers. I believe it should be 31C777-0173-E1 which makes your engine a MODEL 310000 VERTICAL SERIES

Valve Clearance – Intake .003 - .005 in. (.08 - .13 mm)

Valve Clearance – Exhaust .005 - .007 in. (.13 - .18 mm)

Hope this helps, good luck

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I forgot a 7.

Thank You & have a Great Day.

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