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#1
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Hi All,
A friend just bought a new J14 Carolyna Skiff for mostly small flat water fishing. He has a question about outboard motor mounting height? We run in some shallow water so he want to get it as high as practical: "Just purchased a J14 (w/20" transom), and I love it. I am mounting a Yamaha 25 long shaft on it, and the large cavitation plate is about 2 1/2 inches below the bottom of the boat. I have heard that the best position would be even with the bottom. Does anyone have any thoughts on this. Is there a transom riser I can purchase, and if so where? Thanks in advance. Brett" -- Bill Kiene Kiene's Fly Shop Sacramento, CA www.kiene.com |
#2
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Do a search for "jack plate". There are a number of model from those for
very small outboards to vary large. They also have units that can be adjust with a hydraulic on the fly. The jack plate does a couple of things especially with boats that have an essentially square hull to transom transition. It moves the motor back away from the transom and can improve perfermance when you raise the motor slightly becasue you get the same effect as a stepped transom hull transition or a small tunnel cut type hull. The water is actually higher further back from the transom than it is right at the transom allowing you to raise the motor. The jack plate also allows you to dial in your motor for the ideal position for your type of running. With my Baker tunnel the jack allows me to substantially raise the engine when running the Colorado River and dodging sandbars. Those sandbars I can't see until I am on them are deep enough I can shoot right over them with the motor up like that. I can't run WOT with it like that though. The engine won't get enough water to cool properly, so for faster speeds in clear areas I lower the motor, and for that ultimate hole shot I lower the motor just slightly more and trim it up under the boat. For your buddy with the Carolina Skiff I would suggest looking at a manually adjusted jack plate for his motor, although the benefits of adding a hydraulic one with trim controls might benefit his top speed a little too since most smaller outboards do not have power trim. I know Cabelas has some available, but i bet if you do a search you can find many sources. The ones I have seen run from only a couple hundred dollars to a little over a thousand for ones like the one I am using on my 200HP Mariner on the Baker tunnel. -- Bob La Londe Yuma, Az http://yumabassman.4t.com "Bill Kiene" wrote in message . com... Hi All, A friend just bought a new J14 Carolyna Skiff for mostly small flat water fishing. He has a question about outboard motor mounting height? We run in some shallow water so he want to get it as high as practical: "Just purchased a J14 (w/20" transom), and I love it. I am mounting a Yamaha 25 long shaft on it, and the large cavitation plate is about 2 1/2 inches below the bottom of the boat. I have heard that the best position would be even with the bottom. Does anyone have any thoughts on this. Is there a transom riser I can purchase, and if so where? Thanks in advance. Brett" -- Bill Kiene Kiene's Fly Shop Sacramento, CA www.kiene.com |
#3
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5 inches is a lot to make up with adding anything like a jack plate! Also
as you raise the engine the center of gravity goes up too. I it was mine I would ONLY use a 20" engine. "Bill Kiene" wrote in message . com... Hi All, A friend just bought a new J14 Carolyna Skiff for mostly small flat water fishing. He has a question about outboard motor mounting height? We run in some shallow water so he want to get it as high as practical: "Just purchased a J14 (w/20" transom), and I love it. I am mounting a Yamaha 25 long shaft on it, and the large cavitation plate is about 2 1/2 inches below the bottom of the boat. I have heard that the best position would be even with the bottom. Does anyone have any thoughts on this. Is there a transom riser I can purchase, and if so where? Thanks in advance. Brett" -- Bill Kiene Kiene's Fly Shop Sacramento, CA www.kiene.com |
#4
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Bill Kiene wrote:
Hi All, A friend just bought a new J14 Carolyna Skiff for mostly small flat water fishing. He has a question about outboard motor mounting height? We run in some shallow water so he want to get it as high as practical: "Just purchased a J14 (w/20" transom), and I love it. I am mounting a Yamaha 25 long shaft on it, and the large cavitation plate is about 2 1/2 inches below the bottom of the boat. I have heard that the best position would be even with the bottom. Does anyone have any thoughts on this. Is there a transom riser I can purchase, and if so where? Thanks in advance. Brett" A jackplate might work, but on a boat that small, why would he want to mount any engine with a 25" long shaft? He's better off getting a small motor more suitable for that really small boat. What hp engine does he have? -- * * * email sent to will *never* get to me. |
#5
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Harry,
He has a Yamaha 25hp outboard long shaft (20") for a 20" transom. His Carolina Skiff is suppose to be for a 20" motor but when he hangs it on there, the cavitation plate it is actually 2.75" below the bottom of the boat. We run in shallow water and would like to have it mounted as high as possible. His manual says that the cavitation plate/disc should be either even with the bottom of the boat or 1" below. We were looking for an easy/cheap way to raise his motor 2.75"? Bill Kiene |
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