king quad 250 diff oil change

[Nubbinz]

Ive been tuning up my 93 kingquad 250 4x4, brakes, oil, was hoping to do front diff fluid next.
My clymer manual dosnt really say anything about changing the fluid in it. Any pics of where
the drain and fill plugs are would be appreciated. Also i was wondering if the rear diff was
lubricated by the motor oil from a regular oil change. No rush, i rarely use 4x4, and when i do its not rough going into 4wd at all.

[MonroeMike]

This may help.

[Nubbinz]

Thanks, that answered all my questions. But it says to use SAE 90 gear oil. Im having a LOT of trouble finding 90. Would 80w90 be fine? And is there any reason I shouldnt use a synthetic gear oil?

[MonroeMike]

I have a 92 Suzuki 4x4 and am using 80W-90 synthetic, in the front differential.