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Post by dustin on May 15, 2008 1:45:39 GMT -1
I just bought a '97 skeeter w/ a yamaha 150 pro-v. It has a huge jack plate on about 13" deep. A couple of people noticed that the motor looks extremely low, but I figured I would try it out anyway. Well it didn't go so well. Hole shot is great but after I get up to plane it starts to bounce, trim it up and have to floor it to make it ride halfway decent. The turn is the big problem thought i was going to flip because it starts skipping as I turn (is this because the motor is off the boat so far). I played with the trim all day, going straight trimed up is fine but when it comes time for a turn (stamp creek) I'm better off to slow way down trim it down turn and start all over again. I'm lost. Don't know if I should try to lift the motor on the jack plate or get rid of it. Any suggestions would be GREATLY appreciated.
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Post by 5 BASS LIMIT on May 15, 2008 2:00:31 GMT -1
Keep in mind that the further you set back a motor off of the transom ( 13") the less you will have to trim the motor. It may need to be set up so that it will run properly, most people and marinas do not set them up they just go to the lake and do nothing with the jack plate. If you need help let me know and I will get it done for you.
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Post by oldfishinfool on May 15, 2008 14:58:09 GMT -1
hey Anthony, i would be interested in knowing if the motor should be raised or lowered. i have the same problem with my boat. i sent the prop off and had more pitch put in it, but it still wants to break loose in a turn. looking at the motor on the jack plate it does look to be low on the boat when trimmed down, but i would have though that to get a better bite you would want it lower instead higher. any help wold be appreciated. oldfishinfool
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Post by 5 BASS LIMIT on May 15, 2008 15:47:16 GMT -1
It depends on the prop you are running, A three blade usually likes to be raised and a four blade runs lower , pm me the boat model and the motor size and how far the set back is on the jackplate and what prop you have and I will see what I can figure out .
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Post by dustin on May 15, 2008 23:05:34 GMT -1
Raised the motor up almost all the way. Ran like a dream, just lost 6 mph of top speed. Maybe this can help someone else. If you do this it was recommended to me to keep a close eye on your psi to make sure it is get enough water.
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Post by lkn4deer on May 17, 2008 3:41:00 GMT -1
I have a zx176 skeeter 1998 w/ vmax 150 and 12 inch j.plate,yamaha 25m prop..my boat is 17.5 ft.,was told by set-up expert to raise it to 2.75 inch below pad...level trailer/boat,level motor(put level on cavitation plate),run straight edge on bottom of pad ,measure drop .to bullet center on motor.It ran a little faster,but handled much better.
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Post by oldfishinfool on May 20, 2008 15:34:36 GMT -1
hey Anthony, i sent you a p.m. on the jack plate issues. when you get a chance will you look at it and p.m. me back. thanks oldfishinfool
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Post by 5 BASS LIMIT on May 20, 2008 16:06:28 GMT -1
Yes ,I will pm you later today or this evening.
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Post by oldfishinfool on May 30, 2008 12:53:21 GMT -1
hey Anthony, did you ever get a chance to look at the set-up for my boat? i had sent you a p.m. i know you are busy, but if you get a chance will you send me any suggestions. thanks again oldfishinfool.
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Post by 5 BASS LIMIT on May 30, 2008 21:06:50 GMT -1
Start with 4.5" above the transom and see how it acts. WATCH your WATER PRESSURE if it less than 12 to 13 lbs @ wide open throttle STOP!!!! so you do not blow your motor.
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Post by oldfishinfool on Jun 20, 2008 8:59:54 GMT -1
hey Anthony, i put a new water pressure gauge on my boat, i wanted to do this before i started raising the motor up like you suggested. now my question is how do you measure the height of the motor to 4 1/2 inches above the transom? do you measure from the top of the jack plate or the top of the motor mount itself? i know how to measure from the pad on the bottom of the boat but i have never done it from the top of the motor. any way thanks for your help. oldfishinfool
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Post by 5 BASS LIMIT on Jun 20, 2008 14:48:49 GMT -1
Measure from the top of the transom to the hook part of the swivel bracket. The easiest way to explain it is if you hang your motor on the transom with no jack plate and no bolts installed in the bracket you will be at zero. You can use a small framing square to get the height you are at right now. Set it on the top of the transom and slide it back and read where you are at.
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