I run 38:1.
Why? More oil = better ring sealing and less wear.
My 2 data points...
Top ring end gap increased 0.006" in 91 hours at 50:1
Top ring end gap increased 0.001" in 49 hours at 38:1
This data was with AmsOil Interceptor. Your mileage may vary.
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Eric K
'06 GasGas EC300
'01 GasGas XC300
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