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Outboard motor rebuilds
#13408557
01/18/20 02:44 PM
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Joined: May 2016
Posts: 20
LittleJoe0962
OP
Outdoorsman
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OP
Outdoorsman
Joined: May 2016
Posts: 20 |
Hello Everyone.
I've never owned a boat before and am in the market for a used boat. I've done some extensive "shopping" around on some of the facebook used boat pages and here on TFF. The one thing i see often are people mentioning that their motor have been rebuilt. So i have a few questions about rebuilding that would love answers too. **Note, my budget has me looking for a boat in the early 2000. So most engines are 1999 to 2007ish.
1) Do you have to rebuild a motor once you hit a certain number of hours? I've seen multiple boats have rebuilds with a wide range of hours on them. Ranging anywhere from 300 to 800 hrs. 2) Should i be concerned if a boat has had a rebuild motor with less than 400 hrs? 3) What are some indicators to a boat needing a rebuild? Compression numbers? metal shaving in the oil, etc. 4) why do people rebuild motors? Mechanical failure? parts wearing out? a time change issue (when a motor hits 500, 1000 hrs) 5) Lets say if i own a boat for 5 years and don't put heavy use into it, how many times would i rebuild the motor?
Thanks for your help. I look forward to the replies. Joe
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Re: Outboard motor rebuilds
[Re: LittleJoe0962]
#13408614
01/18/20 03:50 PM
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Joined: Jan 2005
Posts: 17,033
Pat Goff
TFF Guru
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TFF Guru
Joined: Jan 2005
Posts: 17,033 |
1. No there are lots of motors running with over 4,000 hours 2. Yes. There are a lot of low budget low quality rebuilders. 3. Compression and leak down test will tell all you need. 4. My experience on seeing lots of motors getting traded in, the seldom used, low hour motors don’t last nearly as long as a well maintained high hour motor. 5. Should be none.
Quality oil and fuel, proper maintenance go a long way for putting high hours on your motor. The #1 reason for blown motor is over heating.
There’s going to be other opinions those are mine from experience.
Pat Goff Seadrift TX
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Re: Outboard motor rebuilds
[Re: LittleJoe0962]
#13408641
01/18/20 04:40 PM
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Joined: Sep 2010
Posts: 1,599
boatwhisperer
Extreme Angler
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Extreme Angler
Joined: Sep 2010
Posts: 1,599 |
I second all the above !!!!!!!!
boatwhisperer
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Re: Outboard motor rebuilds
[Re: Pat Goff]
#13408642
01/18/20 04:42 PM
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Joined: May 2016
Posts: 20
LittleJoe0962
OP
Outdoorsman
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OP
Outdoorsman
Joined: May 2016
Posts: 20 |
Pat,
Thank you for your response. What are some ways a motor can overheat? Impeller going bad?, low oil quantity?
Thanks Joe
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Re: Outboard motor rebuilds
[Re: LittleJoe0962]
#13408702
01/18/20 06:08 PM
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Joined: Jan 2005
Posts: 17,033
Pat Goff
TFF Guru
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TFF Guru
Joined: Jan 2005
Posts: 17,033 |
Weak impeller or sucking up mud or a ice bag. The newer motors will record over temp alarms in the computer.
If you’re not comfortable doing a motor inspection then paying a quality tech to do it is always money well spent. If a seller balks at having an inspection done then walk away, not worth the risk.
Pat Goff Seadrift TX
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Re: Outboard motor rebuilds
[Re: LittleJoe0962]
#13408782
01/18/20 08:28 PM
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Joined: May 2016
Posts: 20
LittleJoe0962
OP
Outdoorsman
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OP
Outdoorsman
Joined: May 2016
Posts: 20 |
Rog that, Pat. Thank you for the info.
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Re: Outboard motor rebuilds
[Re: LittleJoe0962]
#13409004
01/19/20 01:40 AM
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Joined: Jan 2005
Posts: 17,033
Pat Goff
TFF Guru
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TFF Guru
Joined: Jan 2005
Posts: 17,033 |
I’ll tattle on myself just to let you know we’re not always as smart as we think. Craigslist ad for 90 Yamaha w/no lower unit for $600. I went to see it, the motor didn’t have ten hours on it. You can tell with a bore scope how worn the cylinder and rings are. Story on motor it was on a lifeboat for a 100’ yacht. Water collected in the lower unit and froze, cracking the lower unit. Perfect for me, I run a jet and had the exact unit for that motor.
Now the lesson. I’ve replaced every electrical and computer component. ECU, stator, coils, solenoids and relays. Apparently when it comes to electrical components it’s true if you don’t use it you lose it. So my $600 motor hasn’t been that great a bargain. Lesson learned.
Pat Goff Seadrift TX
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Re: Outboard motor rebuilds
[Re: LittleJoe0962]
#13409066
01/19/20 03:26 AM
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Joined: May 2016
Posts: 20
LittleJoe0962
OP
Outdoorsman
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OP
Outdoorsman
Joined: May 2016
Posts: 20 |
Yep, and now you can teach others the lessons you know.
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Re: Outboard motor rebuilds
[Re: LittleJoe0962]
#13409357
01/19/20 03:42 PM
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Joined: Jan 2005
Posts: 17,033
Pat Goff
TFF Guru
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TFF Guru
Joined: Jan 2005
Posts: 17,033 |
Obviously this is a subject that lights my fuse. There are some quality rebuilders, some are frequent contributors here. I'm not going to talk about them. Here's two I would avoid like a ten foot rattlesnake... 1. Blackbird, he's heavy into internet marketing, his work is junk. Customer brought in a V6 merc done by him, not ONE gasket was used, even head gaskets. Just orange pookie, that was the 2nd worse job I've ever seen. 2. The absolute WORSE job? Winner by a long shot, Captain Mac in Austin. Guy brought in a boat for trade in, "just rebuilt" Ok, let's take a look. Three of six pistons didn't have rings installed. Not some missing, ALL missing. Like I said before, there's some really good ones, and there's some shady characters, be cautious.
Pat Goff Seadrift TX
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Re: Outboard motor rebuilds
[Re: Pat Goff]
#13409384
01/19/20 04:11 PM
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Joined: Mar 2010
Posts: 25,834
T Bird
TFF Guru
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TFF Guru
Joined: Mar 2010
Posts: 25,834 |
Obviously this is a subject that lights my fuse. There are some quality rebuilders, some are frequent contributors here. I'm not going to talk about them. Here's two I would avoid like a ten foot rattlesnake... 1. Blackbird, he's heavy into internet marketing, his work is junk. Customer brought in a V6 merc done by him, not ONE gasket was used, even head gaskets. Just orange pookie, that was the 2nd worse job I've ever seen. 2. The absolute WORSE job? Winner by a long shot, Captain Mac in Austin. Guy brought in a boat for trade in, "just rebuilt" Ok, let's take a look. Three of six pistons didn't have rings installed. Not some missing, ALL missing. Like I said before, there's some really good ones, and there's some shady characters, be cautious.
Nightmare stories for sure.
Okie by birth, Texan by choice. USAF "Thunderbirds" Alumni 1985-1989
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Re: Outboard motor rebuilds
[Re: LittleJoe0962]
#13409710
01/19/20 10:11 PM
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Joined: May 2016
Posts: 20
LittleJoe0962
OP
Outdoorsman
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OP
Outdoorsman
Joined: May 2016
Posts: 20 |
Dang, that’s crazy. Thanks for the heads up.
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Re: Outboard motor rebuilds
[Re: LittleJoe0962]
#13410028
01/20/20 03:21 AM
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Joined: Jul 2010
Posts: 643
ETxRT
Pro Angler
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Pro Angler
Joined: Jul 2010
Posts: 643 |
i wish there was a forum on NIGHTMARE rebuild company's or people! I could add one to the list, make that 2!
Last edited by ETxRT; 01/20/20 03:24 AM.
2011 Legend Alpha 211 DCX 250 Mercury Pro XS- 25p Tempest B&B’d by Josh at Steve’s Custom props 36v Motorguide Xi5 connected to Lowrance HDS 9 Gen 2 Humminbird Solix 10 CHIRP MSI G2, Onix 10
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