oil

Hey guys, I'm looking at buying a Hughes 40 but have some major concerns surrounding the engine. It's been sitting on the hard for 3-5 years while it's being restored. When looking at the engine, the entire area below the engine is black, with some black patches almost appearing and feeling like...

Hello, I have a 1983 Catalina 30 with M25 Universal diesel. Earlier in the season we ran out of oil, alarm came on and we shut the engine down as soon as we noticed the alarm. Got back to port, which is a long story, and found that there were two gaskets on the oil filter; not recommended...

In attempting to remove some excess oil from our Yanmar 3YM30 through the dip stick hole, I was unable to get very much out. I tried several times and chalked it up to the cold engine and/or ineffective pump. However, when reading the manual for the 3YM30, it specifically states that the oil...

Yesterday we found brown thick oil up about 4-5 quarts. How can water get in there? My mechanic said it probably backed up through the muffler. He suggested putting a loop in the exhaust just before it exits the transom to prevent reoccurrence. Any other ideas? We had following winds on the last...

2 hour sailing in following winds. Then 30 minutes of motoring to a slip. After sitting 4 days, our oil was like brown molasses and up about 4 quarts. How can water get in there? My mechanic said it probably backed up through the muffler. Any other ideas?