Synthetic Oil in my '81 cycle
So I got some Mobile 1 0w30 full synthetic oil for our trucks and was wondering if I can use the same stuff in my '81 honda cm400e. The manually suggests 10w30 as long as the ambient temperature is below 90 degrees F, it's air cooled. It's only that hot a couple days a year and I only ride it for short distances (10 miles between cooldowns) anyway, so I'm cool with that. The oil says it meets and exceeds all requirements for 10w30 so I should be good right? Does anyone on here have experience with this?
Another stupid question, I didn't see in the manual anywhere where it mentioned tranmission fluid. Is the transmission just cooled by the enging oil in the motor?
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