Repowering/Overpowering my '01 SanPan 2500fe

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CoveDweller
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Joined: Thu Sep 02, 2010 5:34 pm
Location: Decatur Illinois

Repowering/Overpowering my '01 SanPan 2500fe

#1 Post by CoveDweller » Mon Sep 01, 2014 10:28 am

I'm considering repowering my '01 Sanpan 2500fe which currently is running a Yamaha F100 and runs 24 mph @ WOT. The coast guard plate indicates a max hp of 155, a Yamaha F150 and F200 both have identical weights. Is it possible to go with the F200 to gain additional hp and hopefully speed and not damage my pontoon boat? Any idea what mph I would run with the 200 vs 150? Any assistance/comments would be appreciated!
2001 SanPan 2500 FE
100 hp Yamaha 4 stroke
Power bimini top,
3-batteries, Misting system, Microwave, Inverter
Bazooka powered sub, polk audio mm651's
Clarion 720 amp, Clarion CMD6

pond tuuunes
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Re: Repowering/Overpowering my '01 SanPan 2500fe

#2 Post by pond tuuunes » Mon Sep 01, 2014 12:24 pm

The problem is.... If something bad happens and your insurance company finds out. Also its not nessasarilly about engine weight, its about what the HP can do to your boat. JT
2002 playcraft extreme,26', I/O, 498 ci, 625 hp, 580 ft pounds of torgue, Dart alluminum heads, holly 850 carb, bravo XR drive. GPS 76 mph.

Bamaman
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Re: Repowering/Overpowering my '01 SanPan 2500fe

#3 Post by Bamaman » Mon Sep 01, 2014 1:58 pm

Are you talking about a pontoon or triton?

Unless your boat has lifting strakes, I wouldn't waste the money going over 115 hp. If you have strakes, you could go ahead with the Yamaha F150.
'12 Bennington 24' SSLX Yamaha 150

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playcat
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Re: Repowering/Overpowering my '01 SanPan 2500fe

#4 Post by playcat » Mon Sep 01, 2014 2:32 pm

pond tuuunes wrote:The problem is.... If something bad happens and your insurance company finds out. Also its not nessasarilly about engine weight, its about what the HP can do to your boat. JT
Ditto - last thing you need is your insurance company to charge you with insurance fraud for having over rated (and under reported) power. Seen it before...
playcat
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badmoonrising
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Re: Repowering/Overpowering my '01 SanPan 2500fe

#5 Post by badmoonrising » Tue Sep 02, 2014 12:57 pm

Yep, seriously liability issue.
Ed, Cheryl, Ethan and Aspen.
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jayw
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Re: Repowering/Overpowering my '01 SanPan 2500fe

#6 Post by jayw » Tue Sep 02, 2014 2:05 pm

DO NOT DO IT. In IL the new law set to take effect 1/1/15 has new language for overpowering a boat as I understand. This all goes back to Sen, Julie Morrisson and the Tony Borcia case, part of the package of laws she got passed. If there is an accident, you could be considered in reckless operation if your boat is overpowered. Not to mention the insurance issues the others have mentioned. The USCG plate is not just a guideline. On our chain I've heard the marine patrol already will cite you on the spot if they catch you. The new law makes it worse as I understand.

http://www.ilga.gov/legislation/ilcs/il ... apterID=49

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CoveDweller
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Location: Decatur Illinois

Re: Repowering/Overpowering my '01 SanPan 2500fe

#7 Post by CoveDweller » Tue Sep 02, 2014 5:06 pm

Thank you all for your responses, I definitely didn't consider all of the ramifications caused by exceeding the hp rating. Just going to underskin and add the 150 Yamaha.
2001 SanPan 2500 FE
100 hp Yamaha 4 stroke
Power bimini top,
3-batteries, Misting system, Microwave, Inverter
Bazooka powered sub, polk audio mm651's
Clarion 720 amp, Clarion CMD6

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