Hey everyone !!! Great site you all have here, so much info !!!!! I love it.
Im from Victoria, over on Vancouver Island in Canada and I just managed to pick up a 1986 Searider 5.4 for a pretty sweet deal. Thing is, I only have a 2 stroke 60 hp mariner which was on a smaller SIB. Do you think I'm going to be underpowered with this motor ? Its max rating is 90 hp. Im going to be using the rib for outer coast surf trips, 3 people max on board, 3 surfboards and approx 60 litres of gas.
Anyone have a 5 meter rib running a 60 ? Whats your opinion ?
Great to see another BC member! I live on the mainland. Anyways I have a 4.3 meter Sib and it flies with a 25hp. Yours will weight lots more but i still think youll have enough power. You wont be underpowered but you may want more Give it a try with 60.
Welcome to Ribnet, 60 hp on an Avon 5.4m should achieve 30 mph and will be fine . We have seen a 115 Yamaha on the back of a 5.4 but that was a little over the top. If its the flooding hull model then it will take a little while to plane as it empties the water out. A popular conversion is to block up the flooding hull holes.
As mentioned earlier it will be slow to plane and plugging the holes will make it easier to bring onto plane. My boat has a ninety on a basic outfit and with 3 persons, fuel and all the usuall bits and pieces I would get around 28-30 Kn WOT and about 20 Kn at 3/4 throttle.
A 60, assuming its in reasonable condition is about the smallest you would want on 5.4 but should work ok.
Hey, thanks for the opinions !!! Once the humidity drops a bit around here I'll be able to put the top coat on the tubes and get this little project in the water for some sea trials. I'd love to max out the HP on er but I'll have to wait until I sell some other toys ( isnt that always the way, hehe ).
Give it a try with 60.
. We have seen a 115 Yamaha on the back of a 5.4 but that was a little over the top. If its the flooding hull model then it will take a little while to plane as it empties the water out. A popular conversion is to block up the flooding hull holes.
