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Old 03-01-2019 | 10:14 PM
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Jim.Thompson
 
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From: Bellingen NSW Australia
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I first ran this engine on AvGas and two stroke oil at 40:1.
I mixed a batch at 30:1 and ran it again for comparison.
The RPM was about the same for each fuel. 7100 RMP.
So, in future, i will use the 30:1 ratio. AvGas and Stihl Ultra two stroke oil.

Jim.
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