In article ,
"Stanley Barthfarkle" wrote:

If these engines are in severe duty service, owners
should consider installing hard seat inserts or using lead substitute
additives to minimize valve recession.


Mine doesn't see sever duty unless going all out across a big lake is
severe duty. I used lead additive in the tank for my first fill up (I
just bought it) due to the label. Was Iwrong in doing so? Do I not need
to add lead? I have no idea what sort of valve inserts this engine has.

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It's no good unless it makes your eyes water.