How to Adjust the Valves on a Briggs & Stratton 18.5. In 1953, Briggs & Stratton developed the first lightweight aluminum engine for lawn and garden applicat...

Nov 17, 2012 · Valve clearance specifications for your engine series are available by viewing our Engine Specifications Chart (PDF). Adjust the clearances as required by turning the rocker screw.

Nov 30, 2010 · If you find that your engine becomes difficult to start, proper adjustments to the intake and exhaust valves may be necessary. Adjusting the valves for your 18.5 horsepower Briggs & …

Looking for valve maintenance and repair tips for your small engines? Follow our step-by-step guide to remove and clean your valves for better engine performance!

Jun 20, 2025 · This guide focuses on five key tips to achieve precision when adjusting the valves on your Briggs & Stratton engine, drawing upon my experience and technical knowledge to help you …

Mar 11, 2017 · I don't think valves set too tight will cause it to stall on compression. Usually a too tight valve will cause the engine to die when its hot because then its open all the time. You are adjusting …

To adjust clearance, remove the spark plugs and use a feeler gauge between the rocker arm and valve stem. If clearance is tight, carefully grind the valve stem tip in small increments to increase gap.

This video shows how to adjust valves on a 18.5 hp single cylinder Briggs & Stratton engine. This is a common engine found on John Deere Z225 riding mowers....

This valve adjustment procedure is for the Briggs and Stratton single OHV model with overhead valves. The OHV model came in the twin-cylinder engine as well, and both are used in bigger equipment like …

Incorrect valve settings cause poor engine performance and starting difficulties in Briggs 18.5 HP motors. For Briggs 18.5 HP engines, valve clearance is critical. Typically, intake valves require …