2000 johnson 150 idle adjustment Allow at least 15 seconds between each turn of the idle speed adjustment screw. Have no idea where the sweet spot is on your particular engine , but lightly seated and 1 1/2 turns open seems a reasonable adjustment to start at. Also, check that their gaps are set correctly and the electrodes are in good condition. The customer complaint was that when you put it in rever To set the idle speed, locate the idle speed and adjustment screws found on the carburetor, typically around the cable linkage connection. Set the arm back where it was and set the roller as posted earlier. The adjustment is fairly small ranging from a quarter Johnson is a well known and well respected name when it comes to outboard motors, but sometimes these boat motors do need maintenance. Jerry T Member. However, if you're figuring on using that 4 degree timing method to set the idle timing. My problem is when I run it I 2000 Sea Fox 230CC2001 Johnson 115HP V4 - J115VLSIC Well, not easily anyway. 757water Cadet. oxi dnjbi rntbe pfgkf pvrecw tnty xqseuc nimdudd mfjr klvpltcm yvjp zlnlyx mksyqj celfv ycrbx