need help.

[jbh]

i just bought a used boat .. i ran the boat earlier in the year but the guy i got it from rewinterized it. ive always winterized my own boats but with the thruhull exaust and bigger motor i cant figure out where the two plugs go. can anyone help? its a merc 350 mag

 

[arks1]

What 2 plugs? Describe them. We need more info. What year is the engine? RWC or FWC?
Do you mean the cheap plastic drain plugs that Merc uses?

 

[Gregory S]

Raw water block drains???