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Mounting small outboard
#11940917
11/19/16 12:57 AM
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Joined: Jun 2016
Posts: 289
ArgyleFloater
OP
Angler
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OP
Angler
Joined: Jun 2016
Posts: 289 |
I have a new Tohatsu 5hp motor. I have decided to keep it on the transom after checking with the marine mechanic that it wouldn't hurt my 14' tinny transom. He suggested I install bolts through the motor/transom for security. Once I received the motor, i noticed I do not have any place available to do this. I assume it will be okay after checking that my clamps are snugged down. The motor weighs 58lbs. Thoughts?
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Re: Mounting small outboard
[Re: ArgyleFloater]
#11941378
11/19/16 01:12 PM
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Joined: Aug 2011
Posts: 2,957
Bob Landry
Extreme Angler
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Extreme Angler
Joined: Aug 2011
Posts: 2,957 |
Look again. If there is room for clamps, there should be some way to through-bolt. Even when tight, a small outboard can twist off of a transom under some conditions including sharp turns. I know, years ago I lost a small outboard off an inflatable dingy.
2015 Seaark 1872 MV CC Etec-90 Two Helix 12 CHIRP SI's, , MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic 2020 Robalo R200 CC, Yamaha 150
Bitter Gun Owner Bitter Clinger Armed Infidel
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Re: Mounting small outboard
[Re: ArgyleFloater]
#11942647
11/20/16 01:59 PM
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Joined: Apr 2016
Posts: 683
PaPa@fork
Pro Angler
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Pro Angler
Joined: Apr 2016
Posts: 683 |
Use LOCK NUTS do not use lock washers
If it was easy, everyone would do it
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Re: Mounting small outboard
[Re: ArgyleFloater]
#11942733
11/20/16 02:56 PM
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Joined: Aug 2011
Posts: 2,957
Bob Landry
Extreme Angler
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Extreme Angler
Joined: Aug 2011
Posts: 2,957 |
I disagree. I have had nylon lock nuts work loose from vibration many times. Plus, if they ever work loose, they need to be replaced because the nylon loses its gripping strength with repeated tightenings. Use stainless flat washers, lock washers, and nuts. Once installed, you can cut/grind the ends of the bolts flush to the nut and use a pin punch to put a dimple between the nut and the screw threads. This will insure it doesn't loosen on it's own and you can still break it loose manually if you ever need to.
2015 Seaark 1872 MV CC Etec-90 Two Helix 12 CHIRP SI's, , MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic 2020 Robalo R200 CC, Yamaha 150
Bitter Gun Owner Bitter Clinger Armed Infidel
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Re: Mounting small outboard
[Re: ArgyleFloater]
#11943606
11/20/16 11:57 PM
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Joined: Jan 2009
Posts: 1,649
spankyttx
Extreme Angler
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Extreme Angler
Joined: Jan 2009
Posts: 1,649 |
yes, both, might even consider double nuts on each bolt as a locker
ps, if you would like some help, bring it and we can get that measured, centered, drilled and mounted
Last edited by spankyttx; 11/21/16 12:03 AM.
LI-SI-WI-NWI
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