alright so acouple days ago i took my drain plug out so i could match it up with a self tapping one and today put it in, filled her up with oil and went to ride bit for some reason couldnt get it in gear. well after awhile of shaking the lever i finally get itt in first so i jump on and try to put around to see if i could get in any other gear, well i finally get second and go for third but nothing well after bout ten mins of messin with it i park it . aany clue on wats goin onn. it was all fine before i changed the drain plug. clutch is workin fine it seems more shifter.