First, you need to access the valve cover. This will be the silver cover on top of the engine head. It will have OHV stamped into it and is held on with four screws/bolts. These screws are usually 3/8" or 7/16" hex head and are removed using a socket and ratchet. There is a gasket between the valve cover and head. Step 2- Remove the spark plug using a spark plug socket. Step 3- Inspect the spark plug for very stubborn deposits, or for cracked porcelain or electrodes that have been burned away. If any of these conditions exists, replace the spark plug. Step 4- Check the spark plug gap and adjust as necessary. Step 5- If it seems in working order, replace Briggs and Stratton 103M02-0003-F1 Exploded View parts lookup by model. Briggs Stratton Engine Enter a part number or partial description to search for parts Engine Identification — Provides model, type and code of engine. Fuel Cap — Add unleaded fuel here. Fuel Valve — Used to turn fuel supply on and off to engine. Grounding Fastener — Consult your local agency having jurisdiction for grounding requirements in your area. Identification Label — Provides model and serial number of generator. Manufacturer #: 693997. This is a replacement cylinder head gasket for your small engine. The gasket is approximately 5 inches in length and 5 inches in width at its longest and widest points. The gasket creates a seal, and $ 25.86. Special Order. Add to cart. Seal--Oil (PTO Side) ★★★★★. Briggs & Stratton® snow blowers are built to withstand the toughest winter weather, but they need regular maintenance and sometimes small engine repair to reach peak performance. Before taking a stab at any engine maintenance project, carefully study your Briggs & Stratton operator’s manual. Make sure your workspace is well lit and well BRIGGS & STRATTON : 112200, 12A800-12T899, 92200, 128700-129799 series; for 3 thru 5 HP horizontal, 3.5 thru 6HP (12 CID) Quantum and 6 HP (13 CID) vertical engines TORO : 20323, 20835, 20836, 29639 Replaces OEM ocVJ.