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About to buy this but not experienced, need advice

Old 06-02-2019, 08:11 PM
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Default About to buy this but not experienced, need advice

Ive got a 14 foot stumpknocker with a 1985 evinrude but want to buy this one

https://gainesville.craigslist.org/b...902698458.html

Talked to the owner and he said the 1999 90hp two stroke blew a piston but he spent 2500 fixing it and just not sure what to ask tomorrow. Im thinking obviously a compression test, but beyond that, not sure. There are some gel coat cracks here and there, but its 20 years old. Expected. He said the motor is 20 hours old after the rebuild. He is the third owner and both of the previous said "garage kept" which I believe based on the photos. First, would this be underpowerd with a 90? Max is 130. This is a 1999 186 sailfish. Price seems fair if the motor is right but I don't know what to look at beyond compression. What should I look for? Thanks, just dont want to make a mistake.
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Old 06-02-2019, 08:12 PM
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These are the specs on this boat. Again just wondered mostly about the motor.

https://www.sailfishboats.com/wp-con...atalog_web.pdf
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Old 06-02-2019, 08:17 PM
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Originally Posted by greencoveG View Post
Ive got a 14 foot stumpknocker with a 1985 evinrude but want to buy this one

https://gainesville.craigslist.org/b...902698458.html

Talked to the owner and he said the 1999 90hp two stroke blew a piston but he spent 2500 fixing it and just not sure what to ask tomorrow. Im thinking obviously a compression test, but beyond that, not sure. There are some gel coat cracks here and there, but its 20 years old. Expected. He said the motor is 20 hours old after the rebuild. He is the third owner and both of the previous said "garage kept" which I believe based on the photos. First, would this be underpowerd with a 90? Max is 130. This is a 1999 186 sailfish. Price seems fair if the motor is right but I don't know what to look at beyond compression. What should I look for? Thanks, just dont want to make a mistake.
Idk man. I'm always so worried about buying someone else's problems. Who did the rebuild of the engine? Does he have an itemized receipt? I've personally never bought a rebuilt engine so I have no idea but do they come with any type of warranty? I'd definitely have a marine survey on the boat and motor.
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Old 06-02-2019, 08:23 PM
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My neighbor had the same problem with his 99 Yahama 115. One piston was severely damaged and the cylinder wall was scored. The compression level was zero on that cylinder. The cause was a failed oil injection system. The oil level sensor plastic float jammed inside a warped reservoir housing basket. We rebuilt it ourselves for about $400 in parts and block boring services. His boat was about the same length and type as that one and the boat did 43 MPH WOT with two aboard, not bad..I would make sure that the block was bored to fix the damage or did they just replace parts.
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Old 06-02-2019, 08:45 PM
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My 2000 seapro 175 is pretty similar to that boat and I'd say a 90 is going to be under powered. Mine has a 90hp Johnson and it runs 35ish with 2 people in it. I don't see $6500 sitting there either, or maybe I need to ask more for my boat.
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Old 06-02-2019, 09:28 PM
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OK ya, I figured 6500 was a bit steep, thinking 5500 if everything checks well. Also ya a 90 seemed skimpy but I know these yamahas. They do a lot. Thanks for the replies boys, this is what I was thinking initially.
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Old 06-03-2019, 04:02 AM
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Sent you a PM.
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Old 06-03-2019, 06:11 AM
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IF the motor was rebuilt and runs good that is 1/2 of the equation. The next is why did it blow? As mentioned about the oil mix may be failing which means whjile fixed it will just blowup again and again until cause is resolved.

Price sounds high to me. Father in law would sell his boat for that kind of money. It is 18' with evenrude 140 vro that has always run good.

SO my guess is you should haggle a better price, something based on the hull value, and not to value the motor more than say 500.00
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Old 06-03-2019, 06:19 AM
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I just sold a 188CC Sailfish which is the same hull with a slightly different seating layout. I had a 115 yamaha two stroke that pushed the boat to about 43mph at WOT. I wouldn't say a 90 would be drastically under powered but you won't be winning any races. As for price, based on what I bought and sold mine for if the motor checks out then it is a decent deal.
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Old 06-03-2019, 08:03 PM
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Ok so, nice boat, but that is coming from a guy who thinks it is clean and shiny. I have read what I can, I asked about checking compression on the engine and he seemed to balk at that and he said "I don't have a way of doing that". Anyways, here is a video of it running, and like blake says above, it wasn't seriously underpowerd, but it wasn't winning a race. Maybe a fat girl race, it just felt a little sluggish for that size boat. He says 26 at the end of the video. It got up to plane easy, but once it did, there just wasn't much "room". And ya I wish I had done a side view but was focused on the sound of the engine.


Thanks guys for the opinions, im struggling with a decision because I love this boat. It is the same one I fished in for 3 years when I was in my mid twenties and it is a sweet boat. I'm going to post multiple pics and vids so that some judgements can be made and answers fill in the blanks. One video shows some seperation from the rub rail or what I think it may be. It is 20 years old so maybe normal. Some cracks in the gel coat that look like spiders webs about 5 inches in diameter, dont know what that costs to repair. RPM gauge doesn't work, he said his friend thinks its a ground issue. Has all the cushions for the boat and all look new. Trailer looks good. Main concern is the motor.
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Old 06-03-2019, 08:17 PM
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Video of the deck. Left rail is trash, dont know what that costs to fix, JB weld?
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Old 06-03-2019, 08:23 PM
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Old 06-03-2019, 08:24 PM
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Old 06-03-2019, 08:25 PM
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Old 06-03-2019, 08:28 PM
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here is how it sits in the water.

https://www.youtube.com/watch?v=9C8I...ature=youtu.be
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Old 06-03-2019, 08:36 PM
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26 MPH for that boat motor at WOT makes no sense. Perhaps the speedometer is wrong. Hell. I got 30 out of my old Glaspar with a Johnson 75.
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Old 06-03-2019, 08:42 PM
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I think he must have meant knots, which would have been about 30mph, that is as fast as we were going but maybe less. I was just thinking flat water and this is top speed? We were in a lake. It's an 18 foot boat so I don't know if this is normal.
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Old 06-03-2019, 08:44 PM
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Also, he seemed apprehensive to push it to WOT, if you watch the vid he keeps backing it down, but maybe because it was just rebuilt?
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Old 06-03-2019, 09:09 PM
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Anymore opinions? Do it, don't do it, 5500, 5000 offer? As far as the motor goes, he does say one thing that rang true, how often am I going to be running full throttle in the seas? We fished cedar key and st augustine and never did. Though seas lay down about 12pm usually and then the storms come in. That is when I would want to run out of there. I wouldn't even take this offshore if seas were over 2ft. Just thoughts. Any thoughts on this boat at this price and what you would do?
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Old 06-03-2019, 10:50 PM
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There are tons of under powerd boats. I think that 90 should get you to 30 mph with proper set up. thing is if your ok with not haveing a faster boat look around for other nice 17 to 18 footers. I bet you will be hard pressed to find one for less than 6500. Offer 5500 see where it shakes out.

oh a lot of those yamah's get rebuilt because carbs gum up and cylinders do not get oil. Ask the dude if you can go over and talk to the guys that rebuilt the motor. that will give you peace of mind
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