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Six Transom Bolts?

Old 06-10-2019, 08:25 AM
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Default Six Transom Bolts?

My DF175AP mounting bolt kit came with six transom mounting bolts. It also came with two square transom plates, each having two holes.

The owner’s manual, and service manual, don’t address mounting the outboard. My transom has four holes from the previous motor. What is Suzuki’s official guidance for mounting the motor? Should I use four or six bolts, and if I should use six, what is the mounting configuration?
Old 06-10-2019, 08:57 AM
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Number of bolts to mount outboard
Old 06-10-2019, 11:05 AM
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I addition to the post above, here is another page from the manual about this. The manual you want is the "Set Up" manual. It is different than the owner's manual and the service manual.

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Old 06-10-2019, 11:56 AM
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I was wondering the same. Mine have 4 bolts and no "reinforcing plate". My transom is very strong though so I am not sure if it was needed... Most installations I have seen only have 4 bolts and no plate either. My old engines only had 4 and were fine.
Old 06-11-2019, 04:53 AM
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Suzuki recommends using the 6 bolts but not needed on most applications. The 350's require 6 bolts.
Old 06-11-2019, 05:01 AM
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Originally Posted by Outboard Specialties View Post
Suzuki recommends using the 6 bolts but not needed on most applications. The 350's require 6 bolts.
Thanks for clearing that up. That does beg the question though: what determines the need?
Old 06-11-2019, 05:23 AM
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Originally Posted by DOYAM View Post
Thanks for clearing that up. That does beg the question though: what determines the need?
If it was up to Suzuki every motor would have 6 bolts. I look at it as a case by case scenario but I can say most boats only have 4 bolts and I've never seen a problem.
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Old 06-11-2019, 05:27 AM
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Originally Posted by Outboard Specialties View Post
If it was up to Suzuki every motor would have 6 bolts. I look at it as a case by case scenario but I can say most boats only have 4 bolts and I've never seen a problem.
Thanks. Dealers like you make me wish I was in FL. Keep up the good work!
Old 06-11-2019, 05:40 AM
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Originally Posted by DOYAM View Post
Thanks. Dealers like you make me wish I was in FL. Keep up the good work!
Thank you, we try to help out whenever needed and take care of whomever regardless of being a direct customer or not.
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