I HAVE A 1985 DT85 SUZUKI AND HAVE REBUILT IT BUT CANT REMEBER IF THE OIL SEAL AT THE BOTTOM OF THE POWER HEAD GOES INSIDE THE ENGINE OR NEXT TOO IN THE SAME GROOVE THAT THE WASHER THAT FITS OVER THE END OF THE POWER HEAD AND GIUDES THE SHAFT INTO THE ENGINE AS THAT WASHER NOW MAKES A LOUD...