Originally Posted by TomKat
I have the same boat and as Lencraft are out of business I am not sure how big an engine my boat will take (the pic is from their website which say max 75hp but is that a 4 or 2 stroke as the weight will surely be the most important factor). I have a 55hp 2 stroke engine currently on it but am thinking about changing it in the next wee while and I was dissapoiinted in how fast the 55 went and it is not running as well as I would like.
So I suppose the real question is - how hevy is that engine and what are the options for a used engine like it? Would a DF40 suzuki be as crap as I would imagine on a 4.m rib? I would have thought a nice 60hp yam would be ideal - any other suggetions?
The engine in that picture weighs 175kg dry.
I used to have a 4.2m Zodiac Pro with a Suzuki DF50 on the back and that was very spritely 32knts top end. On a 4.8 40 would probably be fine but it won't set your hair on fire. A 60 would be excellent, Spartacus on here has a Ribcraft 4.8 with a Tohatsu 60 that he has fettled for a little more go I believe.
Depending on your local dealerships, at 175kg or under you have all the etecs, optimax, yamaha 2 and fourstroke. Pretty much everything really, as 175kg is only 20kg less than an etec of 200. Heavy old beast.
Might be best to check the plate on the transom of the hull. Failing that put on a 60, light tends to be best, and make sure the insurance company are happy.
All the best.