jpflhr
Member
- Oct 2, 2009
- 31
- Boat Info
- 2012 Sea Ray 260 Sundeck
- Engines
- 5.0 Mag 300 HP w/ Bravo III
I posted this in Sport Cruisers also but this may be better place to look for Engine issues?
I have a 2004 260 Sundancer with 350 Mag with low hours on it 32 after running around the lake a few times about 6 hrs of time.
Alarm went off and shut down right away and noticed Oil Presure around 10 lbs so checked oil in the motor and no oil on dipstick.
added 3 quarts and all good got oil pressure back to 50 pounds and motor ran good top speed 5k RPM 37 miles an hour. Then 6 hrs later again alarm goes off and check the oil again and no oil? 5 to 6 qts in 12 hour run time?
Were is the oil going??? not in the billage not in the water and no smoke from engine?
Pulled boat from water brought to the garage check compression compression was within 190 to 200 psi all cylinders plugs all look ok no oil fouled plugs.. Changed Oil and thermostat boat was running a little cold. Now going back in the water and will monitor closely
Picture of plugs attached 6 an 8 have a little ash and insulator is black with light oil but does not look like burning 3 qts thru them?
Any and all comments welcome
Thank You
John
I have a 2004 260 Sundancer with 350 Mag with low hours on it 32 after running around the lake a few times about 6 hrs of time.
Alarm went off and shut down right away and noticed Oil Presure around 10 lbs so checked oil in the motor and no oil on dipstick.
added 3 quarts and all good got oil pressure back to 50 pounds and motor ran good top speed 5k RPM 37 miles an hour. Then 6 hrs later again alarm goes off and check the oil again and no oil? 5 to 6 qts in 12 hour run time?
Were is the oil going??? not in the billage not in the water and no smoke from engine?
Pulled boat from water brought to the garage check compression compression was within 190 to 200 psi all cylinders plugs all look ok no oil fouled plugs.. Changed Oil and thermostat boat was running a little cold. Now going back in the water and will monitor closely
Picture of plugs attached 6 an 8 have a little ash and insulator is black with light oil but does not look like burning 3 qts thru them?
Any and all comments welcome
Thank You
John
