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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Running in a CR 250
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[QUOTE="whitesands26, post: 687309, member: 36778"] Yes...Actually GM will have several cars coming off the floor with synthetic in them... However....If you've noticed that with more stict EPA regulations, many NEW car manuals are now reccommending 5w30 oils that have friction modifiers in them..Most of the lower weight oils such as 10w40 and lower have the words "energy conserving" on the back of them which means that they have these friction modifiers such as moly. The lower weight oils allow the car manufacturers to marginally increase the mpg in the cars, thus meeting these new strict regulations by the worthless organization known as the epa..Synthetic oils are also capable of producing slightly higher mpg and is most like the reason for them being put in the car as a cheaper alternative to increasing the cars mpg...Although they do have the added benefit of more protection to the engine. However....It's not a critical issue when breaking in a two stroke motor..A case can be made for not using synthetics on a two stroke motor during break in period....However, the drawbacks of a petroleum based two stroke oil far outweigh the potential benefits. A 4 stroke motor is a different story...During break in for a 4 stroke motorcycle you need to use regular oil...Synthetics can be used at a later time, but only if the synthetic oil doesn't have moly in it. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Running in a CR 250
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