yes on some channel locks or vice grips to unscrew the oil fill cap. If the threads are all jacked its time for new clutch cover with an oil cap already in it from a member here or Ebay.
MY BIKES..1977 GS 750 B, 1978 GS 1000 C(X2)
1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550
NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.
I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.