Exhaust Ports 87 Merc 150

fivebites

Cadet
Joined
Feb 7, 2003
Messages
6
Had a reply that my exhaust ports may be clogged up with carbon on my 87 Merc 150, has anybody cleaned these?, and if so exactly where are they located, and how difficult is it to get to them? <br /> Thanks for the help.
 
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