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Engine oil

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Ok I have finished rebuilding my yz125 and I want to know what is the best oil to use in the motor. I bought the Yamaha live for the gas mix but not sure on oil. I live in Florida where it's hot all the time not sure if that makes a difference. I know it does when we race nitro cars. Any help is needed thanks.

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8 hours ago, sooners said:

 


I use rotella 15w40 and no problems just not sure on weight for the yz

 

Are you asking about premix oil or gearbox lubricant ?

 

In a 2-stroke, the 'engine oil' is the premix.

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10W-40 is what I've always used in any of my 125s/250s.

Make sure it's JASO-certified.

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