fuel:oil ratio
Hi, I am new to pre-mix bikes. Just bought a '99 CR250R and was told to mix 40:1, then I read here on the forum that people mix 35:1 and in my owners manual that I got with the bike it says 20:1 (and 32:1 for CM type oils - whatever that is..). Just had a burnt out crank too, so I'd like to get some idea of what is good an what isnt, and why. I ride in Tanzania-Africa at an altitude of 1000m and 0m. I have been using the castrol tts oil so far.
Moshi
Hi, I am new to pre-mix bikes. Just bought a '99 CR250R and was told to mix 40:1, then I read here on the forum that people mix 35:1 and in my owners manual that I got with the bike it says 20:1 (and 32:1 for CM type oils - whatever that is..). Just had a burnt out crank too, so I'd like to get some idea of what is good an what isnt, and why. I ride in Tanzania-Africa at an altitude of 1000m and 0m. I have been using the castrol tts oil so far.
Moshi
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