16.7:1 ? That's a lot but then I can't remember what ratio I ran in the S (I used R30).
With the GP bikes we found that using Amsoil 100:1 oil at 50:1 or even 40:1 gave better performance than at the recommended ratio - probably had to do with better lubrication of the big end roller bearings in our case. The guys who ran A747 (semi synth/castor) used to run at around 30 or 25:1
The 2-stroke oil is supposed to make the diesel burn at a slightly higher temp as well giving more complete combustion. Some claim that it raises the cetane number slightly as a result.
With the GP bikes we found that using Amsoil 100:1 oil at 50:1 or even 40:1 gave better performance than at the recommended ratio - probably had to do with better lubrication of the big end roller bearings in our case. The guys who ran A747 (semi synth/castor) used to run at around 30 or 25:1
The 2-stroke oil is supposed to make the diesel burn at a slightly higher temp as well giving more complete combustion. Some claim that it raises the cetane number slightly as a result.
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