questions about a 402 rebuild

mike1245

Petty Officer 2nd Class
Joined
Mar 7, 2010
Messages
162
rebuilding a merc 402 took off fuel pump and found oil. what would cause this?any ideas
 

Faztbullet

Supreme Mariner
Joined
Mar 2, 2008
Messages
15,930
Re: questions about a 402 rebuild

This engine uses crankcase pulses to drive fuel pump and oil/fuel mixture on rear of diaphram is normal...
 
Top