I use castor oil for all my 2 stroke engines for the last 10 years have not had any trouble (even in my homelite xl12 bought new in 1967) mixing with all ratioHUSKYMAN said:I would use 32:1. 16:1 will kill too many mosquitos. The 16:1 was basically for when all you did was mix regular 30wt motor oil with the gas
sedanman said:I run my OLD XL-12 at 32:1 with Stihl oil and have had no problems.
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