What Weight Oil - Yamaha YFZ450 Forum : YFZ450, YFZ450R, YFZ450X Forums
View Poll Results: What Weight Oil
10w-30 15 13.76%
10w-40 58 53.21%
15w-50 8 7.34%
20w-40 11 10.09%
20w-50 17 15.60%
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post #1 of 46 (permalink) Old 02-27-2005, 08:31 PM Thread Starter
 
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Just curious to see what weight oil everyone is running
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post #2 of 46 (permalink) Old 02-27-2005, 10:25 PM
 
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good question, i'd also like to know.

20w40 only because the manuel says so.
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post #3 of 46 (permalink) Old 02-27-2005, 10:35 PM
 
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I run 10w30 in warmer temps and 5w30 in colder temps. :D
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post #4 of 46 (permalink) Old 02-27-2005, 11:25 PM
 
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will be curious how this comes out
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post #5 of 46 (permalink) Old 02-27-2005, 11:33 PM
 
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Quote:
Originally posted by tw450@Feb 27 2005, 06:25 PM
good question, i'd also like to know.

20w40 only because the manuel says so.
manual says 10w 40
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post #6 of 46 (permalink) Old 02-28-2005, 11:28 AM
 
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no, i think it's 20w40 in like 40-100 degrees, but i'll check.
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post #7 of 46 (permalink) Old 02-28-2005, 01:48 PM
 
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10w40 is the oil of choice!!! The 20w40 will just make for colder weather starting issues!!!
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post #8 of 46 (permalink) Old 03-01-2005, 05:26 PM
 
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Use Yamalube 4-R. 10W50.
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post #9 of 46 (permalink) Old 03-01-2005, 08:25 PM
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can't say its a low out but a good chunk of the people do use 10w 40 then its split there. Also the average temp in your area makes the call for the type of oil to use





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post #10 of 46 (permalink) Old 03-01-2005, 08:27 PM
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10W40 :woo




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post #11 of 46 (permalink) Old 03-01-2005, 08:32 PM
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I think you forgot 0W40 is also a good choice
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post #12 of 46 (permalink) Old 03-02-2005, 01:34 AM
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I run 0w40
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post #13 of 46 (permalink) Old 03-02-2005, 01:46 AM
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I didnt even know there was a 0-W40... must be like water going in...

The first number isnt as important as the second number, the second number refers the viscosity at operating temperatures... as long as your engine does run cold ... the first number doesnt really matter. Would a 20W-40 be harder to start than 10-W40...? I wouldnt really think it would make that much of a difference.

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post #14 of 46 (permalink) Old 03-03-2005, 10:30 AM
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it all depends what tempature your at for which weight that you want

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post #15 of 46 (permalink) Old 03-03-2005, 10:32 AM
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the oil weight has nothing to do with how good it'ss start unless its really cold out.

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post #16 of 46 (permalink) Old 03-29-2005, 10:51 PM
 
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I RUN MAXIMA 10-40 FULL SYNTHETIC AND HAVENT HAD A PROBLEM WITH CLUTCH SLIPAGE OR ANYTHING EALS
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post #17 of 46 (permalink) Old 02-13-2013, 10:06 PM
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i run rotela t 15-40 and like it just switched from yamalube cause it went up like 10 bucks a quart at my dealership i get the rotela for 10 bucks a gallon
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post #18 of 46 (permalink) Old 02-13-2013, 10:19 PM
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Does anyone run rotella in the winter?

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post #19 of 46 (permalink) Old 02-13-2013, 10:25 PM
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if it keeps up like it has so far i will give it a shot might just drop down to 10-40 or something.
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post #20 of 46 (permalink) Old 02-14-2013, 11:04 AM
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I run rotella t 15w40 all year round .. Then again I tear it down every winter and she doesnt see much cold weather
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