Replacement Stainless steel insert tube K&B 7.5 Lower unit Size?

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Ronnie Lerew

Well-Known Member
Joined
Nov 11, 2011
Messages
772
I head about Stainless Steel tube replacement for the K&B 7.5 lower units. Any body know the ID/OD size of the tubing?
 
1/4" OD. BUT USE ONLY BRASS TUBING. STAINLESS WILL WEAR MORE THAN BRASS WILL & BRASS WILL LAST LONGER BY A LONG TIME.

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years ago jerry dunlap wrote an article in r/c boat modeler on how it was done on the 3.5 lowers. he used brass tubing. john otto would have liners for your lower
 
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