The detent spring is relatively easy to check, and you will need to get the front cover off anyway even if that is not the problem. Instructions and manual are below.
You can get the clutch basket off and on with an air gun, without using the special tool, but if you are going to replace the clutch plates and steels, then you can make the tool out of the old parts anyway.
You can get the clutch basket off and on with an air gun, without using the special tool, but if you are going to replace the clutch plates and steels, then you can make the tool out of the old parts anyway.