Re: 89 Force 150 - Timing
I figured it out. The single mark by itself is TDC (Top Dead Center). The other 3 marks that are close to eachother are from left to right 28, 30, 32 degrees. Take the spark plugs out and connect the plug wires to a spark checker or ground them to the block to safely discharge the spark as to not ruin the coils. Unhook your shift linkage and throttle. Manually push to WOT (Wide Open Throttle). Using a timing light match the dash on the block to the 30 degree mark which is the center mark of the 3 that are grouped together. Adjust if nececary. Reinstall spark plugs, wires, throttle and shift linkage. While running the ignition will automatically ajust 2 degrees. The correct timing is 32 degrees at WOT. And that is while running. You have to time it 2 degrees less because the motor is not running when you time it.
This is the correct way to time a boat motor. After a bunch of research and talking to a Marine mechanic I got all the information that I needed. I wanted to post this step by step for other people in case they run into the same problems as me or just wanted to do it themselves rather then paying someone. Thanks for the help to all that did!
