Briggs & Stratton — Overhaul Procedure
Repair & overhaul · Engine
From a Briggs & Stratton service manual — check it applies to your exact model before use.
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Procedure
- Drain oil and remove oil filter; remove spark plugs, air cleaner, fuel tank.
- Remove fuel pump, rotating screen, blower housing and rewind starter.
- Remove exhaust manifold and mufflers; remove intake manifold and carburetor.
- Check armature air gap; remove armatures, flywheel and electric starter.
- Remove governor control bracket; check valve clearances.
- Remove cylinder shields, rocker arms, push rods and cylinder heads.
- Inspect valve guides and seats; check crankshaft end play.
- Remove crankcase cover; inspect bearings and remove oil seal.
- Remove cam gear and tappets; remove connecting rods, pistons and crankshaft.
- Clean parts; replace main bearing, oil seals, valve guides; reface valves and seats.
- Reassemble crankshaft, pistons, rings, connecting rods, tappets and cam gear.
- Install oil pump and crankcase cover; check end play.
- Install flywheel, armatures, blower housing and starter.
- Install valves, cylinder heads, rocker arms; adjust valve clearance.
- Install carburetor, intake manifold, exhaust manifold and mufflers; fill with oil and gas.
Source: Briggs & Stratton service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.