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25p Fury Tweaks
#11094456
09/10/15 05:07 PM
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Joined: Jan 2014
Posts: 261
Jkrez
OP
Angler
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OP
Angler
Joined: Jan 2014
Posts: 261 |
I'm having a hard time getting on plane in my new Z520. It bogs down pretty bad when I gas it and has a horrible hole shot. Once I get on plane (usually 5-8 seconds later), it runs like a top.
I took it to my mechanic and he ran all his tests and said the Motor is 100% perfect shop-wise (he didn't take it out on the water). He told me that since I just added a new 25p fury, it still has all 3 plugs installed in the prop, and I should experiment with taking some of the plugs out. I guess that makes sense to me, seeing as the 25p takes a big bite out of the water and might need a little tweaking.
My questions to yall, what is the optimum amount of plugs to keep in/take out of the prop?
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Re: 25p Fury Tweaks
[Re: Jkrez]
#11094463
09/10/15 05:09 PM
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Joined: Jan 2004
Posts: 72,516
Mark Perry
Super Freak
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Super Freak
Joined: Jan 2004
Posts: 72,516 |
I had to take out all 3 plugs. Had same issues. Also check your engine height. I went from a Evinrude 250HO to a Merc 250 Pro XS on my Z520 and am still having to tinker with the best setup some.
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Re: 25p Fury Tweaks
[Re: Jkrez]
#11094464
09/10/15 05:10 PM
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Joined: Feb 2007
Posts: 702
Rick Collis
Pro Angler
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Pro Angler
Joined: Feb 2007
Posts: 702 |
I take all of them out, really improves the hole shot..
Rick Collis 903-473-8820
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Re: 25p Fury Tweaks
[Re: Jkrez]
#11094466
09/10/15 05:11 PM
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Joined: Jan 2014
Posts: 261
Jkrez
OP
Angler
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OP
Angler
Joined: Jan 2014
Posts: 261 |
Do you have to take the prop off to take out the plugs?
Rick, will taking them all out cause a blowout?
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Re: 25p Fury Tweaks
[Re: Jkrez]
#11094477
09/10/15 05:16 PM
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Joined: Nov 2007
Posts: 3,141
Rodney2100
TFF Team Angler
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TFF Team Angler
Joined: Nov 2007
Posts: 3,141 |
They pop out with a pair of needle nose pliers...
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Re: 25p Fury Tweaks
[Re: Jkrez]
#11094483
09/10/15 05:18 PM
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Joined: Jan 2014
Posts: 261
Jkrez
OP
Angler
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OP
Angler
Joined: Jan 2014
Posts: 261 |
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Re: 25p Fury Tweaks
[Re: Jkrez]
#11094523
09/10/15 05:31 PM
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Joined: Jun 2012
Posts: 157
CB2011
Outdoorsman
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Outdoorsman
Joined: Jun 2012
Posts: 157 |
How many inches below pad are you? Call Josh at Steve's custom props and I bet he could help you out
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Re: 25p Fury Tweaks
[Re: Jkrez]
#11094546
09/10/15 05:37 PM
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Joined: Jan 2014
Posts: 261
Jkrez
OP
Angler
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OP
Angler
Joined: Jan 2014
Posts: 261 |
No idea about inches below pad. I trim down, put jack plate all the way down, and I'm usually good to go. Sometimes I raise the jackplate like an inch and I'll get a quick hole shot.
Also, I could've sworn that my fury came with no plugs installed? I could be completely wrong.
Last edited by Jkrez; 09/10/15 05:38 PM.
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Re: 25p Fury Tweaks
[Re: Jkrez]
#11094550
09/10/15 05:38 PM
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Joined: Mar 2009
Posts: 2,218
B.Hollingshead
Extreme Angler
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Extreme Angler
Joined: Mar 2009
Posts: 2,218 |
Your prop shaft should be no lower then 2 1/2" below center running pad.
Branden Hollingshead
38-DD's and counting
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Re: 25p Fury Tweaks
[Re: Jkrez]
#11094554
09/10/15 05:39 PM
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Joined: Jan 2012
Posts: 15,797
ko bass attack 27
TFF Guru
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TFF Guru
Joined: Jan 2012
Posts: 15,797 |
I run my Fury with no plugs for best results.
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Re: 25p Fury Tweaks
[Re: Jkrez]
#11094673
09/10/15 06:26 PM
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Joined: Nov 2013
Posts: 513
Big Worm78
Pro Angler
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Pro Angler
Joined: Nov 2013
Posts: 513 |
Take all the plugs out and then run it. Should not have any in it unless it is blowing out on takeoff. Have never had to put plugs in a fury on 2 Z520, skeeter or a cat.
Lake Fork the new white bass Capital of Texas!
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Re: 25p Fury Tweaks
[Re: Jkrez]
#11094694
09/10/15 06:44 PM
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Joined: Jul 2006
Posts: 6,046
Fast Lane
TFF Celebrity
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TFF Celebrity
Joined: Jul 2006
Posts: 6,046 |
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Re: 25p Fury Tweaks
[Re: Jkrez]
#11094730
09/10/15 06:57 PM
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Joined: May 2010
Posts: 4,582
lamoon78
TFF Team Angler
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TFF Team Angler
Joined: May 2010
Posts: 4,582 |
The Fury props like to run with no plugs in them.
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Re: 25p Fury Tweaks
[Re: Jkrez]
#11094895
09/10/15 07:56 PM
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Joined: Oct 2006
Posts: 13,521
Ken A.
Groovy
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Groovy
Joined: Oct 2006
Posts: 13,521 |
No idea about inches below pad. I trim down, put jack plate all the way down, and I'm usually good to go. Sometimes I raise the jackplate like an inch and I'll get a quick hole shot.
Also, I could've sworn that my fury came with no plugs installed? I could be completely wrong. Two strokes don't have a lot of low end torque so they need to be allowed to rev up a bit to get into their RPM sweet spot in order to get a heavy bass boat up and out of the hole. The best way to accomplish this is to get the prop to slip or ventilate when you first hit the gas. When you raise the jackplate it helps the prop to ventilate as you hit the gas. The Mercury PVS plugs are designed so you can pull out one, two or all three to customize the amount of prop slippage to help your motor get the rpm's up just enough to get into the motor's powerband so you can get up & out of the hole. Make sense? I run a 25 Fury as well and I have all the plugs out.
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Re: 25p Fury Tweaks
[Re: Jkrez]
#11094938
09/10/15 08:10 PM
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Joined: Aug 2006
Posts: 7,182
steve@S2Marine
TFF Celebrity
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TFF Celebrity
Joined: Aug 2006
Posts: 7,182 |
the new fury's come with plugs (in the box) not in the prop.
on a merc. fury's run with NO plugs.
your hole shot issues are from you having the motor all the way down on the hydraulic plate.
measure and set your prop shaft height at 3" below pad... don't move the hydraulic plate. trim engine all the way down and let er rip!!!
then stop the boat.. raise engine 1/2" with the plate and do it all over again. if you see an increase in speed/performance then go up another 1/2" if you don't see an improvement .. go down 1/2" .
you may find, the only time to move the hydraulic plate is going into shallow water or navigating rough water, and trailering.
hope that helps.
p.s. the reason merc put a set of Large hole plugs in the box is because so many people with other brand engines have been running the fury. brp engines like medium hole plugs, same with hpdi's. the SHO engines run best with solid plugs.
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