1998 Evinrude 225 Ocean pro - Wont pass 4500 RPM

xNecessityx

Cadet
Joined
May 31, 2018
Messages
11
I’ve had two of these motors. Never seen more than 102 even when fresh.

Looks like you found the bad hole. Was that the plug I pointed out earlier?

Best case scenario is a blown head gasket. Pull the head to take a look


Okay that’s good to know, about the 100 psi, not so much the 50 haha. I’m not very competent when it comes to pulling the head but I’ll watch some videos and see. Is it relatively difficult to do? Also, would this be causing the rough running engine and loss of WOT power?
 
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