Originally Posted by Biggles
My understanding is that engines in cars pre 1992 had to have their iginition modified by the dealer or take LRP (Lead Replacement Petrol).
However no where have I seen questions raised about outboards.
Any body know ??????
No need to worry about timing as outboards are designed to run on pretty low octane petrol anyway.
Shell Optimax / old 4 star = 98
LRP = 97
Unleaded / old 2 star = 95
I think, and stand to be corrected, that most outboards can run on about 92 octane.