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Old 24 March 2019, 09:37   #1
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Holding engine on transom

I have a mariner 9.9 and was wondering if it is a good idea to bolt engine onto transom, so there is no way the engine can fall off, how many people do this ?
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Old 24 March 2019, 09:43   #2
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I wouldnít have thought it would be such an issue with a 10hp motor.

Iíve always found the hand clamps worked well enough on an outboard and for extra safety I cable tie the handles together so they canít work loose.
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Old 24 March 2019, 09:49   #3
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I wouldnít have thought it would be such an issue with a 10hp motor.

Iíve always found the hand clamps worked well enough on an outboard and for extra safety I cable tie the handles together so they canít work loose.
Sounds a good idea to cable tie the clamps together
Thanks
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Old 24 March 2019, 10:31   #4
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personally i always do bolt but if and when i didnt i had a lanyard from the engine to the boat somewhere just incase
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Old 24 March 2019, 11:58   #5
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I have the same engine and have it bolted to the transom. I've been doing this for around the past 5yrs with my OBs after watching the amount of load from varying directions when in difficult sea conditions.

I set up daily and have drilled holes in the transom slightly oversize so the bolts slide through easily. I have the bolts plus two stubby spanners in a small bag within my setup kit so I never have to play hunt the spanner to fit them.

Just feel more reassured that should a loosening or other problem happen with the clamps... however unlikely... there is that secondary security.
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Old 24 March 2019, 12:36   #6
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Same old question really do you have a back up, on some of the old transom pads use to have a loop for you to tie a rope or fix a lanyard I'm sure it use to be said in engine/boat books at one time might still be
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Old 24 March 2019, 13:55   #7
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The Zodiac inner transom plate has a loop for outboard attachment. But as the outboard flies off the transom the plate is only held on by 5 screws about half inch into wood. I suspect you may see the transom plate follow the outboard overboard on the end of the lanyard!
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Old 24 March 2019, 14:01   #8
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I have the same engine and have it bolted to the transom. I've been doing this for around the past 5yrs with my OBs after watching the amount of load from varying directions when in difficult sea conditions.

I set up daily and have drilled holes in the transom slightly oversize so the bolts slide through easily. I have the bolts plus two stubby spanners in a small bag within my setup kit so I never have to play hunt the spanner to fit them.

Just feel more reassured that should a loosening or other problem happen with the clamps... however unlikely... there is that secondary security.
The bolt holes do you get any water coming through
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Old 24 March 2019, 15:27   #9
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Quote:
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The Zodiac inner transom plate has a loop for outboard attachment. But as the outboard flies off the transom the plate is only held on by 5 screws about half inch into wood. I suspect you may see the transom plate follow the outboard overboard on the end of the lanyard!
The screws could soon be upgraded if that's the case my Mercury has two holes with Ali ferrells through the transom a good place to secure or eye bolts fitted any rope/lanyard should be tight to prevent movement so not giving the engine chance to jump off
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Old 24 March 2019, 16:05   #10
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>>>do you get any water coming through

No none at all.

The bolts should have come with your OB.
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