If you update your location in your profile it will help others who may live near you to chime in. It is a site rule as well. To help answer your question, I'll add the following.
I rode with Pro116 last year when he owned an 06 Mountain. He replaced the track with a cheapy he picked up at Haydays. It was cut down to 1.25 to help with slider wear. That being said, he was having NO trouble riding on the various trails we rode in the UP.