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#1
11-02-2007, 08:23 PM
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yamaha F150 and a 20' seacraft
is a F150 to heavy for a 20' open transom that has been raised? The boat has a 135 optimax on it now.
__________________
36' Yellowfin 1972 20' seacraft 140 suzuki http://www.classicseacraft.com/commu...ad.php?t=18607 
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#2
11-02-2007, 08:57 PM
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Re: yamaha F150 and a 20' seacraft
I have a 150 merc. and it is now prob. and my transom is original.
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#3
11-03-2007, 12:24 AM
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Re: yamaha F150 and a 20' seacraft
I mean it is NO problem!
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#4
11-03-2007, 09:40 AM
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Re: yamaha F150 and a 20' seacraft
no prob...i have a 150 merc....thats almost to light!
__________________
1984 Seacraft 20' SF. W/2004 Mercury Saltwater 150 http://i98.photobucket.com/albums/l2...LOGODONE-1.jpg
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#6
11-04-2007, 10:39 PM
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Re: yamaha F150 and a 20' seacraft
I ran a 225 hp merc laser and a 200 mariner on mine with now issue. Not sure how the weight compares. I did see a guy in the Keys with a 250 Yamaha that sat a bit low at idle but no issue around 60+MPH.
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#7
11-07-2007, 02:49 PM
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Re: yamaha F150 and a 20' seacraft
I have a 2005 4-stroke Yamaha f150 on my 1986 20 CC. Its probably the limit as far as weight goes, but the boat moves well. 40 MPH at 5100 rpms on the GPS.
__________________
'86 20 ft CC with 4-stroke 150 yamaha
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#8
11-25-2007, 06:31 AM
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Re: yamaha F150 and a 20' seacraft
I had a carbed 6 cyl Yamaha 175, weighed about 419lbs on my 20 with a 25" transom. The boat ran great with it though the engine may have been a little heavy when stopped. Two people in the stern and water would come in the scuppers, but the power was great. It jumped up on a plane almost instantly.
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