Originally posted by 95Ride
you can tell the shaking is coming from the motor...when i replaced the plugs i checked the compression on 4 cylinders and they are all at 125psi....and i checked the wires and they are a full spark
125 psi ??? standard compression is 178 !!!
http://www.dsmgrrrl.com/FAQs/compression.htm
that might be you problem right there
Edit: and service limit is 133 !!!