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View Full Version : what oil weight should i use for cold weather?



bansheemorphine
12-24-2005, 06:06 AM
hey, i have a 1999 440ex i am going to change my oil today and use synthetic oil i was wondering what weight oil i should use?

K_Fulk
12-24-2005, 06:41 AM
I used 10w40 in the winter, 20w50 the rest of the year.

stc416rider
12-24-2005, 07:29 AM
i use 5w 40 synthetic all the time

it is for all weather

fitethesystom
12-24-2005, 10:32 PM
I believe the manual calls for 10w30 in the winter. Too thick and your asking for problems.