in the motor
2-Cycle Engine oil.
It should be oil injected with a separate oil resivoir.
50:1
Just go buy any chaincase oil such as AMSOIL.
Yes, you can
You have to remove the headlight cover, the headlight, and the air intake box off the injector throttle bodies. Takes lots of time but is not real hard if you have the right tools. You will see the oil filter on the front of the engine next to the knock sensor. An oil filter tool from your Yamaha shop is real handy also. A real good article with pictures is here: http://www.snowmobilefanatics.com/forum/topic/63721-how-to-change-oil-2007-yamaha
To turn off the "Change Oil" lite turn on the ignition, pump the gas pedal to the floor four times, then start the vehicle.
ATFV
8 ozs. i use 80-90w gear lube in my chaincase.
no drainplug on the engine. fan-cooled 2-stroke. it has no dedicated oil sump. to drain the chaincase oil just remove the cover, wipe out all the oil, re-install chaincase cover and fill with new oil.
3 lite
2007 corola no oil lighte