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Jan 23rd, 2013
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Mercury 150 Pro XS #13869090 02/01/21 03:20 AM
Joined: Jun 2011
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J
Jimfishes Offline OP
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Is it possible for a qualified Mercury mechanic to convert a 150 Pro XS into a 175 hp? Anyone know if possible to do and what it might cost? I figured it would be cheapest way to create more HP instead of buying new motor.

Re: Mercury 150 Pro XS [Re: Jimfishes] #13869097 02/01/21 03:27 AM
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tmd11111 Online Content
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Used to be a few companies that would flash the ECM but Mercury put a stop to that.

Re: Mercury 150 Pro XS [Re: Jimfishes] #13869437 02/01/21 03:04 PM
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ssmith Online Content
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there used to be several companies that advertized this flashing of motors then all of a sudden poof you see no ads or talk about it .

Re: Mercury 150 Pro XS [Re: ssmith] #13869525 02/01/21 04:00 PM
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Jimfishes Offline OP
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Thanks for the replies, I'm torn between several options....1--Turn the 150 hp into a 175 hp, 2--Replace 150 Pro XS motor with a 4 stroke 175 hp, 3--Sell boat/motor and buy something else, 4--Do nothing(most likely). I purchased this rig new in 2013 and really like it. I just wish it had a larger motor for better performance. I'll talk to a couple of outboard mechanics in my area and get their opinion, but I'll probably leave it alone. It has low hours, runs perfect, and cranks on first turn of key.

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