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motor oil

  #1  
Old 02-28-2009, 01:31 PM
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Default motor oil

do i have to put polaris motor oil in a 4 stroke 425 magnum ,if not what do i need to use
 
  #2  
Old 04-01-2009, 10:15 AM
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Anything 0w-40 preferably Full synthetic.
 
  #3  
Old 04-24-2009, 08:26 AM
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Originally Posted by TLC View Post
Anything 0w-40 preferably Full synthetic.
I use Mobil 1 MX4T
 
  #4  
Old 04-24-2009, 05:04 PM
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Why does it need 0-40? What's wrong with 10-40?
 
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Old 05-03-2009, 03:52 PM
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wheres the photo ?
 
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Old 01-06-2010, 02:25 AM
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Originally Posted by 07bloomfieldb View Post
Why does it need 0-40? What's wrong with 10-40?
Nothing is wrong with using 10w40. The initial viscosity (measured at 40'c) is just a little thicker with the 10w vs 0w. The second number is most important. A 0w-40 and 10w-40 both have 40 weight operating temperature viscosity. The ow is thinner in ambient temperature, which can pour in lower temperatures. For summer, I recommend 10w40 because it is stronger for thermal breakdown. 10w40 is less volatile then ow40. Will give better protection when hot outside. However, if you are using a true chemically derived synthetic motor oil such as AMSOIL, both will work great. You can even mix the two!

irnieracing.com
 
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