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  1981 - 13' Whaler - Is a 40 H.P. 4-stroke too much

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Author Topic:   1981 - 13' Whaler - Is a 40 H.P. 4-stroke too much
maxdevon posted 10-31-2001 07:47 AM ET (US)   Profile for maxdevon   Send Email to maxdevon  
I have a 1981 13' Whaler with a 20 inch transom that I have recently restored. The transom had no visible stress cracks whatsoever. I am thinking about sticking a 40 h.p. 4-stroke motor Yamaha or Mercury on it. These motors weigh approximately 200 lbs. Is this too much power and weight for this year of whaler? I know that whaler advertises the new 13' with 40 h.p. 2 or 4 stroke. Anyone have any recommendations?
Highwater posted 10-31-2001 08:12 AM ET (US)     Profile for Highwater    
Perfect. You might want to check out the 200-pound Honda 4-stroke as well.
jbtaz posted 10-31-2001 09:08 AM ET (US)     Profile for jbtaz  Send Email to jbtaz     
I have a mercury 40 4-stroke on a 13..It's great!
gnrgunner posted 10-31-2001 10:33 AM ET (US)     Profile for gnrgunner  Send Email to gnrgunner     
I have a 1983 13' Sport with a 1988 40 HP Yamaha on the transom. It runs like a dream getting me up to about 37-38 mph. Yamaha makes a great engine. Good Luck


EasyE posted 11-01-2001 07:52 AM ET (US)     Profile for EasyE  Send Email to EasyE     
I have heard that the 4-strokes can push a boat a little faster over a 2-stroke even with the increase weight. The only explanation I could think of is 4-strokes have more touque than 2-strokes. Can anyone verify this?
maxdevon posted 11-01-2001 10:49 AM ET (US)     Profile for maxdevon  Send Email to maxdevon     
Thanks so far for the great feedback.
whalernut posted 11-01-2001 08:09 PM ET (US)     Profile for whalernut  Send Email to whalernut     
I know a guy with a new 40h.p. 4-stroke Honda on an older `13 Classic and it is way to heavy. The back is too far down in the water and the bow is like it`s doing a wheely!! Go with the lighter 4-stroke, up to around 150lbs. Regards-Jack Graner.
Highwater posted 11-01-2001 08:29 PM ET (US)     Profile for Highwater    
The location of the fuel, battery, and other items is a major factor. By the way, the 40 and 50 hp 4-stroke Hondas weigh 203 pounds with power tilt and trim, whereas the 40 hp 2-stroke Johnson weighs (I'm told) 196 pounds—not much of a difference.
maxdevon posted 11-02-2001 06:31 AM ET (US)     Profile for maxdevon  Send Email to maxdevon     
I am placing a 12 gallon "whaler tank" underneath the front bench seat and a smaller battery under the console which should help a little. We'll see! Thanks again for comments. This forum is great.

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