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Discussion Starter #1
I was looking at some of this for the 4 cycle atv's motorcycles ect. Has any one used this before? Im thinking about running this in my ATV's. Just wondering if its any count or whats your opinion on this oil.
 

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I wouldn't run Mobile 1.I've always used castrol brand oils.We used it form day one in a geo metro and with 350,000 miles it needed a valve job so we pulled the oil pan just to check the bearings while it was in the shop and they look brand new.
 

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Discussion Starter #5
I dont like Castrol. Every time I used it my engine would blow. No lie it would lock up LOL It happen 2 times. LOL
 

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Wow you must have had something else wrong or you were running it a little high in the rpm's.
 

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Just make sure it is for ATV's or motorcycles, because if it isn't, it can make your clutches go out. I had that problem a couple of times, before I figured out what was happening. I like to use Honda GN4, but Castrol will work. I have used it before, but it is not recommended. Use at your own risk. I don't think I would use the synthetic.

Someone told me that Mobil 1 makes the Honda GN4. I don't know if this is true or not, though.
 

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OK, I see now. When I said I wouldn't use synthetic, I meant regular Castrol Synthetic. If it is Mobil 1 synthetic for ATV's or any other brand of synthetic made especially for ATV's, then it should be OK. You're not supposed to use a synthetic oil after a fresh rebuild, though. You are supposed to break them in with regular mineral oil first, to help the rings to seat. Then you can switch to synthetic if you want to. Synthetic won't break down like regular mineral oils do. It just gets dirty after a while. I guess it's so good it won't let the rings wear and seat in.
 

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I use the Maxima synthetic 530 it is a full synthetic but kinda of pricy around $15 a qt but as long as you run an oil that meets the JASO T903 standards you will be fine, i am thinkink about the Amsoil formula 4 stroke synthetic it is some good oil and about 1/2 the price.
 

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I'd like to run some amsoil sometime.Just to see how it does.
 

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Discussion Starter #13
I know about the rebuild stuff and synthetic its so slick it wont let the rings seat properly and will cause the engine to use oil.
 

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I use the Maxima synthetic 530 it is a full synthetic but kinda of pricy around $15 a qt but as long as you run an oil that meets the JASO T903 standards you will be fine, i am thinkink about the Amsoil formula 4 stroke synthetic it is some good oil and about 1/2 the price.
Thank God that 450 does not take that much oil!!! LOL!!!
 

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i use the maxima synthetic 530 it is a full synthetic but kinda of pricy around $15 a qt but as long as you run an oil that meets the jaso t903 standards you will be fine, i am thinkink about the amsoil formula 4 stroke synthetic it is some good oil and about 1/2 the price.
thank god that 450 does not take that much oil!!! Lol!!!
i know thats right!!!
 

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I know about the rebuild stuff and synthetic its so slick it wont let the rings seat properly and will cause the engine to use oil.

I've never used synthetic oil, but it seems logical that it would be good to use after the break in period is over. I'll have to try it sometime.
 

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Discussion Starter #17
If a engine has high miles the synthetic will cause seals to leak but a synthetic blend may be a little different. Im not sure about that.
 

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I run a synthetic blend in my s10 but I would not notice an oil leak in that, It has several!! With all the oil that leaks in it why did I have to replace a cab corner because it rusted ??????????
 

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Yeah, I read somewhere else, too, that you're not supposed to use synthetic in engines with high miles. That must be why, because of the seals leaking. I'm not sure about the synthetic blend, either.
 

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I have used Mobil One in my VFR 800, my Honda S2000CR, Both our Ridgelines, my boat, my Dakota and will use it in my TRX400 when it gets its first oil change. A bit pricey, buy in BULK!
 
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