mercury 90hp

adriancowin

Recruit
Joined
Aug 15, 2002
Messages
1
I have twin Mercury 90hp's on a 6 metre Humber RIB. Serial No's 09782115 and 09782117.<br /><br />I was wondering how old they are - I think 1994.<br /><br />Secondly, one of them is very bad to start(any tips) and when I last got it going, the power seemed to surge. What might cause this?
 
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