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 6hp 4 stroke on a C-25?		  New Topic  Topic Locked
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dave andersen
1st Mate

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85 Posts
Initially Posted - 12/01/2001 :  14:38:07  Show Profile
California has outlawed sales of new 2 strokes as of Jan 1, 2002.
West Marine as of now is only selling 4 strokes. The 6hp Mercury
(same as the Nissan, I understand) 4 stroke weighs in at 55.4 lbs.
They no longer make an 8hp. The next step up is a 9.9
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Bristle
Admiral

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USA
834 Posts
Response Posted - 12/01/2001 :  19:04:23  Show Profile
Hi Dave... You're right to wonder about your bracket for a 4-stroke. Not only does it weigh more, but the new ones have high-thrust props and gearing that increase the stresses to those of a 2-stroke with almost twice the power.

The problem I see wit
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dave andersen
1st Mate

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85 Posts
Response Posted - 12/01/2001 :  19:59:53  Show Profile
Thanks, Dave B. But Merc does have a long shaft for the 6hp
4 stroke -- again it is half the weight of the 9.9. I'm concerned
about having enough power left over for heavy seas. I know it will
push it a hull speed with ease in good seas.
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Ironlegs
Deckhand

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6 Posts
Response Posted - 12/01/2001 :  20:15:28  Show Profile
I got a long-shaft Merc 9.9/4-stroke for Paloma, my C25 swing keel and I like it. I'm 61 & pretty strong, but gratefully accepted a helping hand mounting it on the transom mainly due to the awkwardness factor. I added a couple of rubber bungees to the spr
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BCain
Navigator

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USA
103 Posts
Response Posted - 12/01/2001 :  20:16:18  Show Profile
Dave, I have a 6hp 2 stroke on Wind Shadow and while it will push her at 5 knots it has no reserve if the wind picks up or I get into a current. Try for at least 8hp or better.
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Mike Vaccaro
1st Mate

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77 Posts
Response Posted - 12/01/2001 :  20:40:33  Show Profile
Dave,

Use a 2000 6HP Johnson on our boat with no problems. Will move her along at hull speed with the high-thrust prop we installed. The Johnson 6 HP and 8 HP are the same motor, save for the RPM at which they run. A motor will only produce rated h
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Bristle
Admiral

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USA
834 Posts
Response Posted - 12/01/2001 :  22:01:10  Show Profile
<BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote>
Merc does have a long shaft for the 6hp
4 stroke...

<hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Ver
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Douglas
Master Marine Consultant

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1595 Posts
Response Posted - 12/02/2001 :  12:37:00  Show Profile  Visit Douglas's Homepage
Having sailed the San Juan Islands this past year with a 8Hp Honda I would say No the 6 would be to small. I do have the original two armed outboard mount. After having the spring break on the mount while in the islands I rigged a small block and tackle t
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Gary B.
Admiral

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USA
969 Posts
Response Posted - 12/02/2001 :  20:12:46  Show Profile
I have posted before that I have a Yamaha 9.9 four stroke electric start that I like...a lot. It weighs over 100lbs. Honestly, it is probably MORE power than I need: 7+ knots at full throttle, which is rare, but 6.3 knots at a little over 1/2 throttle,
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walkerman
Deckhand

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USA
11 Posts
Response Posted - 12/03/2001 :  23:52:30  Show Profile
Hi:
Two cents from a newbie.
I have a 5 hp Nissan 4-stroke long shaft on my 1984 Fin Keel C-25.
I don't have enough experience to comment, other than to say that I have motored for several hours, even in heavy chop and unfavorable current and have alwa
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RichardG
Admiral

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USA
990 Posts
Response Posted - 12/04/2001 :  15:38:46  Show Profile
Dave:

My 1985 Suzuki 6 hp is like the Energizer Bunny -- it keeps going and going and going...

Despite the other responses in this thread, I and many others around me feel a 6 hp is sufficient for a boat this size. As a reference, I regularly sail
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.