Where to drill?

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newsailor130

Cadet
Joined
Aug 5, 2017
Messages
17
saltchuckmatt said:
Not we know what your talking about. 70hp tell tale service bulletin?
Click to expand...
AI sort of winged it here. I am talking about 1998 type Johnson 200 Oceanrunner. A gentleman name Dhadley had offered a comment about adding a vent to the top of the block. He hasn't been online since 2014 :-(
Anyone else have experience with this tweak?
 
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newsailor130

Cadet
Joined
Aug 5, 2017
Messages
17
also, see this post

Johnson block venting

I had heard you guys talking about venting the block to keep the voltage rectifier from over heating from the "air bubble" effect.I talked to my Johnson mechanic. He said he has never heard of this problem from the OMC company. He said, if there was a problem, they would have sent out a...
forums.iboats.com forums.iboats.com
 
9

99yam40

Fleet Admiral
Joined
Sep 7, 2008
Messages
9,329
did you read what Seahorse posted in that other thread you posted a link to?
 
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