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Author Topic:   Repowering 1993 13'
FredPA posted 12-05-2003 07:59 PM ET (US)   Profile for FredPA   Send Email to FredPA  
What has been your experience with HP. Is a 25 or 30HP 2 cycle adequate for 2 adults? I like the idea of a lighter motor compared to a 40HP.

Where should the motor be located on the transom? How high up? I was told about an 1" by a local Whaler dealer. He is recomending I don't go below 40Hp.

What are your thoughts?


keltonkrew posted 12-05-2003 08:17 PM ET (US)     Profile for keltonkrew  Send Email to keltonkrew     
I have a 13' and have a Merc 35....I would prefer a 40. The 35 is great for 1 person, maybe 2 but not anything else......

I run mine always with 2 people but you won't get there fast, but you will get there at a decent pace. I still think it is slightly underpowered with the 35 (of course mine is a 1986 model so that may have a bearing on it).

As far as the cavitation plate, Bigshot made a post in another forum anywhere from 3/4" to 1.5" above the bottom of the boat. I'm getting ready to re-do mine and will move the engine up as mine sits way too low

Good Luck.

Mumbo Jumbo posted 12-05-2003 09:05 PM ET (US)     Profile for Mumbo Jumbo  Send Email to Mumbo Jumbo     

A 25 or 30hp two cycle is more than adequate for 2 adults on a classic 13. The lighter the engine the better the handling on the 13. You do not need any more than 25hp if the engine is propped correctly. Unless speed is an overwhelming concern, the dealer is just wrong. Bigshot is right about the height.
aje430 posted 01-04-2004 12:06 PM ET (US)     Profile for aje430  Send Email to aje430     
I have , or I should say my 15 year old son has , a 84 13 Whaler with a 40 HP Yamaha. When we bought it , the motor was about 1.5 inches too low and the performance was awful.We moved it up, changed to a center console (from Carolina skiff- 140 dollars, you can t buy a Whaler Emblem that cheap)and put the fuel underneath the center console.It is an incredible little package. My son has been running it since he was twelve and we have had no problems. However , he is sensible enough to not run it wide open by himself. If you get the trim too low , it can get a little squirrely on you at high rpms.So , to answer your question,it all depends on how you are going to use it.If you are putzing around canals ,then by all means go with the lower horsepower. If you are going fishing in open water over ditances over 10 miles , the 40 will come in very handy.Additionally, check out putting in a center console ,if you are fishing. The 13 is a seriously better boat with a center console.
HondaDude posted 01-07-2004 12:57 AM ET (US)     Profile for HondaDude  Send Email to HondaDude     
I had a 1994 Yamaha 30hp on my 13' Whaler. It seemed to push the boat fine with 2 adults and 2 kids. Not a screaming demon, but it got us around the like at a Sunday afternoon relaxing pace. I just repowered to a Honda 30hp, have yet to bring it up to WOT, but when I do, I will post the #'s.

BTW, the Yamaha 30 is for sale, low hours, runs great, used in fresh water only. Best offer.

Eric Peterson
Specialty Marine

BQUICK posted 01-07-2004 10:53 AM ET (US)     Profile for BQUICK  Send Email to BQUICK     
I say the dealer is right....
More power is better....quieter and lower rpms while cruising plus if you run with 4 adults it will be a slug with a 25-30 hp.


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