Yamalube Trans Oil. You should be able to get it at your local Yamaha dealer. ROCKETMAN
4ozs to 1 gallon
2 strok(gas mixed with oil)
30:1
you dont put oil in the transmission, loser!
Yamalube motor oil.
32 to 1
No oil filter, the YZ125 is a 2 stroke.
It calls for transmission fluid =]
IPD
93
135mm (80-150)
Automatic transmission oil filters ware located inside the transmission, under the transmission oil pan. You have to remove the transmission oil pan to replace it and then you will need to refill it with new transmission fluid.