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Elecrolysis Think My pistons got eaten, Is this possible?
On Sat, 06 Sep 2008 15:34:05 -0400, jim wrote:
tomtemp937 wrote: I have a a pair of 2006 Honda 225 with dual batteries and batery selectors. I notice when each motor was running on it’s own battery that the port motor was not charging. However when both batery selectors were on 1+2 the port motor was charging. After return from a offshore trip I piullerd the plugs on the port motor and one of the plugs electrode was smashed . When I pulled the head the center piston was missing a chunk on the top edge and the piston was badly pitted. I also noticed the other pistons were were starting to pit. My thinking is that when the port motor was selected on it’s own battery and the output of the alternator was not getting back to the battery. It created a condition were electrolysis started and the pistons were sarificed? Yes there are other zincs on the motor both on the lower unit and exhaust manifold. Maybe somebody can shead a little light on this. Thanks Tom You probably have a bad alternator which could have easily damaged the ECM in the engine. Not electrolysis's but preignition. This is wild speculation on my part as I have zero knowledge of those engines. A strong possibility though. |
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