What causes a piston to do this (see Pic)
cvsa78 Cadet Joined Jul 21, 2008 Messages 13 Jul 9, 2011 #1 What causes a piston to do this (see Pic) Attachments CYL No5.jpg 135.8 KB · Views: 0 No 5 Close Up.jpg 144.1 KB · Views: 0 IMG_2213.jpg 150.7 KB · Views: 0
Faztbullet Supreme Mariner Joined Mar 2, 2008 Messages 15,931 Jul 9, 2011 #2 Re: 1989 Mercury Blackmax 150 Hp Pistion Timing, stale fuel, lean mixture ,idle stablizer bad,divider plate leaking which is my guess as it looks like some water ingestion on exhaust side of piston....
Re: 1989 Mercury Blackmax 150 Hp Pistion Timing, stale fuel, lean mixture ,idle stablizer bad,divider plate leaking which is my guess as it looks like some water ingestion on exhaust side of piston....
