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Old 02 April 2017, 07:56   #1
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Country: UK - Scotland
Town: wemyss bay
Make: coastline 6.0
Length: 6m +
Engine: mariner 150hp
Join Date: Apr 2004
Posts: 106
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weight or hp whats more important?

say you had a rib that was rated to take an engine of 150hp but also rated to 340kg, would you be happy putting a larger engine on it as long as it was within the weight rating?

anyone that can give any advice it would be much appreciated.

cheers
nick
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Old 02 April 2017, 08:31   #2
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Country: UK - England
Town: portsmouth
Boat name: Hullabaloo
Make: Humber
Length: 8m +
Engine: 225 Optimax
Join Date: Mar 2011
Posts: 997
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I would be happy, my insurers may not be
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Old 02 April 2017, 09:12   #3
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Country: UK - Scotland
Town: north ayrshire
Boat name: charlie girl
Make: S/R5.4/regal3760
Length: 10m +
Engine: Suzukidf70 2x6lp 315
Join Date: Jul 2009
Posts: 3,986
My thoughts are pretty much the same as Dry Run's In normal use if the extra power was used within the boats capabilities then it should be fine
The problem would arise when there is a problem IE when you need to make an insurance claim it's possible the insurers would use it as a reason to reject the claim
Even the engine being slightly overweight wouldn't bother me unduly as it's no different to putting a fuel tank in the stern or hanging an auxiliary on the transom
You could try asking the manufacturers if they think it's OK and if they say yes getting it in writing and going to your insurers and asking if they will still provide cover or just ask the insurers but I can guess the answer
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Old 02 April 2017, 17:26   #4
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Country: UK - Scotland
Town: wemyss bay
Make: coastline 6.0
Length: 6m +
Engine: mariner 150hp
Join Date: Apr 2004
Posts: 106
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Cheers kinda what I thought just need to find a suitable engine now 😂
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Old 02 April 2017, 21:15   #5
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Country: USA
Town: Alaska
Boat name: Zodiac Hurricane 733
Make: Zodiac
Length: 7m +
Engine: 200hp - Volvo Diesel
Join Date: Feb 2015
Posts: 59
Do i personally think it is a big deal to overpower a boat by a few HP? Not at all. But as the guys above stated, insurance is your primary concern. Here in the U.S, they will search for any possible way to void your claim before they pay out. This goes for all Cars/Boats/ATVs/Accidents etc. If you got a Nice/New/$50k+ RIB, you should play it safe IMO.

Just my Cent.
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