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Going from Syn back to normal oil.

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Guys, I'd like to go back to normal 20w 50 oil fromt he Yamaha Semi Synthetic I've been using for about a year and a half.

My dealer says I should not go back once I've gone synthetic. Is he BSing me to get the $7 a bottle or will there be no side effects what so ever?

I'm going to go with the Valvoline Motorcycle Oil now available at Wal-Mart for cheap. Anyone gone from Syn back to normal?

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Dougie,

I have heard the same about sticking with one type of oil, this being two stroke pre-mix. I really have no idea though. The only thing I can think of is the clutch plates being saturated in the oil...and maybe not mixing too well with the bean oil(?)

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I would stongly recommend that you stick with a good synthetic that is wet-clutch compatible.Anything that works the oil as hard as a motorcycle will live a longer, happier life using synthetic oil.Stay away from Castrol,they are a great marketing company but a crappy lubricant company.

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I've "heard" that switching oils can cause seals to either expand or contract leading to oil leaks. Take it or leave it though cause like I said, It's what I've "HEARD".

------------------

Khris

"What's that?"

"It's a Yellow 99' YZ400!!"

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The yamalube is real good oil. Don't be cheap, get the good stuff. Also, beat up your dealer on the price. You should be able to get that for 5 bucks a quart easy. I do.

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