to much smoke 94` 250 salt water series

[wdk61]

every time when i start it up lots of smoke ,may run for 1 hr more or less, turn of motor for few minites then lots of smoke thanks wdk

[boats.net]

Check to see if engine oil tank is overfilling, oil level should stay between the two lines on oil tank. May have a bad check valve in oil injection hoses, may have a bad oil seal in oil pump.