1996 Johnson Evinrude "ED" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 507127, Page 32Get this manual

1996 Johnson Evinrude "ED" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 507127, Page 32

1Visually inspect engine for leaks, missing or loose parts, or other defects2Compression checkProper cylinder compression
vary by more than 15 PSI (100 kPa) IF the engine has acceptable compression, is hard to start, AND operates poorly, check
for: scored cylinder walls damaged pistons stuck piston rings worn piston rings IF the engine shows variation greater than
20, check for: damaged head gasket damaged pistons broken or stuck piston rings scored cylinder walls IF the engine has acceptable
compression and runs normally, continue the tune-up procedure 3Clean and regap or replace spark plugsMake certain ceramic
portion of plug is not crackedReplace if cracked to prevent sparks 4Inspect and test ignition componentsSee Section 3Replace
deteriorated or damaged parts such as wires, boots, etc which may emit sparks 5Replace in-line fuel filterReplace deteriorated
or damaged fuel system parts such as hoses or gaskets which may result in fuel leaksInspect carburetor and primer system6Synchronize