Originally Posted by OSPREY RIBS
60HP four stroke on a 4.2m RIB is going to be heavy, Some weight up front will be the best way to fix.
I had an early Merc 4stk (90hp) on a used 5.5 RIB (fitted when I bought it) it was Brute Heavey ...Slow and killed the performance...swapped out for a new etec 130 and transformed it
Both in handling and Top end...32knots - 45+
....Maybe that's what you remember Chris!?