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View Full Version : best synthetic oil?


JParisi48
07-06-2009, 09:00 PM
whats the best synthetic oil for a kfx450r running in 30 to 100 degree weather?
ccdhowell
07-06-2009, 09:09 PM
Red Line Racing 40wt.
steve181
07-06-2009, 11:01 PM
Dont Use Synthetic
JParisi48
07-07-2009, 09:04 AM
why not?
oilguy
07-07-2009, 04:38 PM
Synthetics will lower your temps, specially on those hot temps. plus your engine will like you a little more



this stuff
https://www.amsoil.com/StoreFront/images/tdr_qt_300pxh.jpg
ohsobad_chevy
07-07-2009, 06:03 PM
Amsoil

/Thread
kd450r
07-07-2009, 07:29 PM
I personally have had great success with schaeffers. I started using it about 6 months ago and it has been awesome.
RobRacing
07-13-2009, 01:39 PM
I used mobil 1 in my 450R. It may not be good to use it if you don't have a split motor.
rooster300ex
07-13-2009, 02:11 PM
Originally posted by oilguy
Synthetics will lower your temps, specially on those hot temps. plus your engine will like you a little more



this stuff
https://www.amsoil.com/StoreFront/images/tdr_qt_300pxh.jpg

thats 2stroke oil. kfx450r is a 4 stroke. amsoil is a good oil though.