The above picture is a leak of raw water spotted at the exhaust elbow of the port engine of a Leopard 39, 2012. Engine had 500 hours:
Same problem was spotted on the starboard side (engine had 800 hours on this one).
This is the culprit:
Once cleant Up, you can clearly see a crack at the junction between the plate and the hosing:
We managed to weld back the port one:
The starboard one was totally rotten, stainless was cracked internally up to 1 cm within the tubing, so a new elbow was fitted (these elbows are sold for roughly US$180).
Can this issue be considered normal wear and tear, or do you think Yanmar uses cheap stainless steel ? We understand exhaust fumes and waters are corrosive, should 500 hours be considered normal span life of a stainless steel part ?
