Anyone ever break the rules when it comes to re-power the main engine?

[Mike58]

Ive got a 20' Lund Alaskan series which is 2 years old! It's rated up to 125 hp outboard. It currently has 115hp four stroke which is fine. However i had the recent pleasure of riding in a friends 18' Lund Alaskan which is fitted with a 150 four stroke. The difference is remarkable, even tho his is rated for the same size engine as mine, he opted to put a bigger engine on it. The weight difference between the 115 and the 150 is only 80 lbs. Has anyone had any dealings with dealers not wanting to install a bigger engine than what the boats rated for? Warranty or Insurance issues by doing so?

Thanks

[FurFlyin]

Following....

[Cray]

Those are tricky questions on all fronts. Don't follow us on here with recommendations if your boat is still under warranty. Talk to Lund on warranty, talk to YOUR insurance agent. My personal opinion is boat would handle it fine if you don't have issues on the other two fronts.

[Mike58]

Those are tricky questions on all fronts. Don't follow us on here with recommendations if your boat is still under warranty. Talk to Lund on warranty, talk to YOUR insurance agent. My personal opinion is boat would handle it fine if you don't have issues on the other two fronts.

Cray, Your right it's tricky on all fronts. My Lund warranty has expired. The boat has been paid off so i own the title (bank has no say), i spoke with one dealer he would swap for me but he wants to give me very little for a 115 with less than 40 hours , and wants to much for a new 150, other dealer told me no he couldn't install a 150 on a boat rated for 125. He also told me for new motor warranty it would have to be installed by authorized dealer. I talked to Mercury they told me i only have to purchase from authorized dealer but anyone could install it? Insurance I'm still looking at, most don't allow it, but i have heard a few carriers that do. My buddy has the 150, and has had warranty work performed on his no problem, another gentleman has the 20' like me and has a 220 hp on his. Some say the coast guard can dry dock you if the hp exceeds the coast guard certification sticker? I guess this is what i get for thinking

[skeetbum]

All I have is second hand info. I've been told that if there is an accident and your boat isn't rigged to MFG specs that you can be liable because of that. I'm with Cray, if it was the 220 hp I would say no but the 150 isn't that far out of the norm.

[yobuck]

Could it be that the prop your using is less than ideal for how you use the boat?
Not all dealers install the best prop setup when a boat is purchased.
35 hp isn't in itself going to add much to the top end speed assuming thats what your after.

[Clint]

I will add to what Seetbum said. When I lived in Florida there was a pretty bad wreck at the launch to Biscayne Bay. A kid gunned the OB, the bow came up and he ran into a boat coming into the launch area. Wrecked both boats and hurt a girl in the incoming boat badly. The outgoing boat was found to be over-powered and they court case made the local news. The kid & his father ended up paying big time.

And I will agree with yobuck. A properly fitted prop can make all the difference in the world. And it does not take much of a change in pitch to make a big difference in performance.

[Mike58]

Could it be that the prop your using is less than ideal for how you use the boat?
Not all dealers install the best prop setup when a boat is purchased.
35 hp isn't in itself going to add much to the top end speed assuming thats what your after.

No, the 115 is working fine, went with the dealer last year with several props to test on my boat, went with a 4 blade stainless. My 115 works good, but after experiencing a 150 on same boat basically the difference is amazing! Just thinking I may be able to sell my 115 and change to a new 150 for 3-4 thousand, at that price it maybe doable


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[Central Minn]

You might not see the same performance as your friends 18 footer, seeing your boat wider,longer and is almost 300lbs heavier. My friend has a 1800 Alaskan I think his only rated for 90?

[Mike58]

You might not see the same performance as your friends 18 footer, seeing your boat wider,longer and is almost 300lbs heavier. My friend has a 1800 Alaskan I think his only rated for 90?

You have a point mine is longer and slightly wider, I thought the 18’ foot was rated the same as mine, I could be wrong, however the 150 on the 18 foot is up and planes out almost immediately. I couldn’t believe how it performed


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