Does anyone have a picture of the timing marks tab on an OMC 140 (Chevy 181ci inline 4 cyl)? I'm trying to tune the timing on my boat and the tab is all rusted so I can't read the markings.
I found this image in another thread and it worked perfectly. My timing marks tab doesn't have the exaggerated TDC valley, but the markings are identical otherwise (the ones I can see):