changine oil in motor

look to see if it says " friction modifiers " and if it does , don't use it. That type will waste your clutch. Otherwise it shall be fine.
 
nothing. it is made for a motorcycle type transmission with a wet clutch. that is what you have. it is designed for that type of motor. stop worrying. lol
 
Use nothing better than SF classification.

Pure and simple 10w30 motor oil with no friction modifiers.

You can use Auto transmission fluid type F, it works just fine.