Small Engines (Lawn Mowers, etc.): compression issue, adjustment screws, carburetor body


Question
I have a kohler command 14 hp cv14s that has a hard time cranking.First checked starter, starter and solenoid are good.Then pulled spark plug to check compression, and compression read 240 psi.Was gonna check valve clearance,but since ohv said it had hydraulic valves, no adjustments.not sure where to go from here.If it was a stuck ring, wouldnt it make a little knock sound??

Answer
Brian
If you have Good Compression When the Engine is Cold, then Check the Compression When the Engine is Hot. There May be a Ring Sticking. If the Compression is Good, then  Remove, Disassemble and Soak Carburetor Overnight in Carburetor Cleaner (I Use Gunk). I have Found that Most People can Use a Breakdown/IPL and Disassemble the Carburetor Enough for Proper Cleaning. You Only have to Remove the Bowl, Float Pin, Float and Needle Valve and Any Adjustment Screws that Go Into the Carburetor Body. The Welch Plugs Do Not have to be Removed. Then Soak the Carburetor Body and Parts in a 1 Gallon Can of Gunk Carburetor Cleaner Overnight. The Can has a Parts Tray Inside it for the Small Parts. Once the Carburetor and Parts are in the Cleaner, you can Replace the Lid for Safety and to Prevent Accidential Spillage. Then Blow Out the Passages with Compressed Air. Install New Parts if Required. Hope this Helps.