Lbs. You can smooth out minor scoring and pitting of the valve face and seat and restore a valve's ability to seal the combustion chamber by lapping the valves. 404437 0112 02 Replaced valve guides 231218 intake and 261961 exhaust. Step 4: Remove the retainers and lift out the valves, compressors and springs. Then, lower the valve stem through the spring. You should be able to wiggle or pry it back into position. Both valves should be closed. xref Necessary cookies are absolutely essential for the website to function properly. Okay intake valve is moving followed by the exhaust.MoreSo let's determine what is the intake valve. PLEASE NOTE: This procedure must be performed for each cylinder on V-Twin engines. They are made from high-quality materials and feature a variety of sizes and styles to fit any engine. .007 The exhaust needs a little more clearance because it expands more with heat. After installing new. Spin the valve back and forth between your hands several times. Before you can service the valves, remove engine components that interfere. Step 6: Reinstall the crankcase breather and other engine components. Where to look for model & spec numbers Briggs & Stratton Parts Look Up Visit briggsandstratton.com to learn more. I always put one valve a full compression like the other guy said been at for 30years never had a problem doing that way, and it saves time. They are made from the highest quality materials and are tested for durability and reliability. Keep in mind that the valve guide may also be worn and need replacement by a machinist. Cheers. Rotate the crankshaft in the normal direction until you get to TDC (Top Dead Center) of the compression stroke. Thank you. Turn each bolt a few turns, then proceed to the next bolt until each bolt is just snug. If the engine design does not permit the upper jaw to fit over the top of the valve chamber, insert the upper jaw into the chamber over the top of the spring, so that the spring is between the tool's jaws. You can smooth out minor scoring and pitting of the valve face and seat to restore a valve's ability to seal the combustion chamber by lapping the valves.
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