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Originally posted by 813KR$
I would Pre Mix! That is what I do Caster 4 oz to a gallon, RB suggests 3.5 oz a gallon.
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Someone posted not to long ago to run 1oz per gallon. thats what I did. I havn't run the engine much since the mixture but could that have caused any damage. I have run it a total of about 30 mins since the mix change over. I was told to use a 100:1 mix,

I'm using Castrol super outboard oil.

1.3oz per gallon = 100:1 ratio
3.2oz per gallon = 40:1 ratio
4.0oz per gallon = 32:1 ratio

 

unhook the omp and only run 2-cycle is great to prevent carbon buildup

i run a 16oz MMO bottle filled with 2 cycle in every gas tank