Yup, four o-rings per adjustable mountVutlam, I just lived through this and it's fresh in my mind. The new adjustable mounts use three rings on each adjustable damper that goes into the Main chassis engine mount KSM10-16 (main frame) from the bottom, and one on the top which is between the main chassis engine mount and the engine center mount, KSM10-18.
Two rings go on each adjustable mount and one goes in front of it (really into the cylinder in the main chassis engine mount. The fourth goes on top between the frame and the engine center mount. Once assembled this way there will be no movement up or down.
In addition the new o-rings are harder than the older ones. I used a dialectric tune-up greese for spark-plug covers (does not attack rubber) to help ease the bottom rings that are on the mount, into the cylinder in the main chassis engine mount. Basically it's just like the manual but with an extra ring that is placed into the cylinder from the bottom, which could be called in front of the adjustable damper.
As helmik says the new set-up has 16 rings as opposed to 12 in the non-adjustable set-up.
The ox is slow but the earth is patient.