Jack49,
There IS help here and you only need to say IF you tried it.
The clutch is the first thing mentioned to check and get it Correct... IF it still grinds then we'll go on from there.
You can check for a Too Tight or Loose primary chain on these bikes...
Derby cover Off, Long screwdriver, flashlight.
Take the screwdriver toward the inner left setting the blade Under the chain (top part).. (middle of open space, between the clutch and the compensator)
The correct tension allows the chain to be lifted about 3/4 of an inch... Yes it is spring loaded to move that much... IF you can't get movement out of it there, It may be tooooo tight.
Mind you Nothing is found in a Book about this type of Check.. IT is our FOUND way to check it.
Taking off the primary outer cover should be the Last resort.(IMO)
Remember here,,, OUR advice is Only Worth the Price YOU paid for it.
Keep us up to date where you are on the trouble shooting.
signed....BUBBIE