Depends on what engine you have.
Depends on what engine you have.
To adjust the valves on a 20hp Briggs and Stratton engine, first, ensure the engine is cool and disconnect the spark plug wire for safety. Remove the valve cover and rotate the engine to top dead center on the compression stroke. Check the clearance between the rocker arm and valve stem using a feeler gauge; it typically needs to be set to manufacturer specifications, often around 0.005 to 0.007 inches. Adjust the valve clearance by loosening the lock nut and turning the adjustment screw until the correct clearance is achieved, then re-tighten the nut and reassemble the engine.
There is no valves as it is a 2-stroke engine .
how adjust the valves
you cannot adjust these valves. it has hydraulic lifters.
on a 350 engine to adjust valves tighten them down with engine running then back them off until it smooths out probably about a quarter of a turn
To adjust the valves on a Chevy Celebrity 2.5L 4 cylinder engine I would recommend that you consult a manual, either factory or Chilton or Haynes. There you will find not only how to do the adjustment but the settings to use to adjust the valves in the correct closed position.
That depends on the size of the engine
The valves can be adjusted on your 2.3 liter Ford engine. Valves that are noisy may be caused by a bad rocker arm.
You don't, there is no adjustment.
How to adjust and instruction
The valve clearance is set by grinding the faces if there is too much clearance or grinding the tip of the stem if there is too little. If it is a OHV engine you can easily adjust the valves. Try going to the link below for a video that shows how to adjust the valves.