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  Tried powering a 13 sport w/ a 25 hp 4 stroke?

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Author Topic:   Tried powering a 13 sport w/ a 25 hp 4 stroke?
dlmenius posted 02-13-2004 06:48 PM ET (US)   Profile for dlmenius   Send Email to dlmenius  
It's time to toss yet another motor off the back of our 1979 13' sport. This one was a 1987 30 hp Mariner, with which I've had no power complaints. I'm looking at a either a 40 hp 2 stroke or a 25 hp 4 stroke (both Yamahas). I've got a pretty good idea about the 40's performance and I would like to hear some testimonies from folks who have repowered with the 25 4 stroke. They cost the same and I wonder if I would enjoy the lighter, quieter, cleaner option, or if I would be longing for more power with four adults aboad.

Who out there tried the 25 hp 4 stroke?

dlmenius posted 02-15-2004 11:35 AM ET (US)     Profile for dlmenius  Send Email to dlmenius     
Any takers?
Jarhead posted 02-15-2004 02:46 PM ET (US)     Profile for Jarhead  Send Email to Jarhead     
The 25hp 4stroke BigFoot on my '03 130 sport works perfectly for my needs. That being fishing, one person, gear, bow mount trolling motor w/battery, cooler and five gallon bait bucket.

Jumps on plane easily with a 12P prop. Cruise at 4800 RPM at about 20 MPH GPS. WOT about 25 MPH at 5800 RPM.

If, however, I was thinking of running with four adults I would seriously consider a larger engine.

keltonkrew posted 02-15-2004 03:34 PM ET (US)     Profile for keltonkrew  Send Email to keltonkrew     
I have a 35hp on mine....wouldn't go below....40 would be best for ME
Mumbo Jumbo posted 02-16-2004 12:21 AM ET (US)     Profile for Mumbo Jumbo  Send Email to Mumbo Jumbo     
You may want to do a search; there are a number of threads on the subject. Here's a thread which addresses the topic:

Good luck.

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