Quote:
Originally Posted by ChillRider
Well, I just wanted to use the closest oil to the "recommended" specs, and it seems that 15W40 isn't even made in a motorcycle-specific grade, at least by none of the major/easily found brands. Unless the hint in the manual was that the engine is so ghetto that it could chug even the most basic heavy diesel truck oil...
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The hint is that manual is so ghetto that they didn't even bother to put the weather chart... When they say 15w40 SF they mean 15w40 api service grade SF, but they are even that lazy....
The engine is not ghetto, is just a simple design and if 20w50 seems too heavy when cold, then yes you should try a 10w40 or a 15w50 the engine will be able to "drink" them much easier when cold.