How soon should I decarb after rebuild?

GlasV162

Petty Officer 1st Class
Joined
Jul 27, 2006
Messages
304
Hi all,
I have a 1990 90 hp Evinrude which, come spring, will have a rebuilt powerhead. How soon after the rebuild should I do a decarb, and how often should it be done after the first time? I want to be sure I do this soon and often enough--I learned a painful lesson about not decarbing--carbon buildup caused a ring to break, and I don't want that to happen again. Thanks.
 

WillyBWright

Fleet Admiral
Joined
Dec 29, 2003
Messages
8,200
Re: How soon should I decarb after rebuild?

Annually is usually more than sufficient. The first year is probably unnecessary.
 
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