right now i have a dinli helix 90. its a 2002 and i have never seen a better motor,but in a couple years with the way i ride its starting to to die down. in a couple years im looking to get a new quad. the dinli has been my only quad so i dont want i big change like a 400ex im trying to stay towards the 250s so im thinking to get a trx 250ex. but of course i have two dollars.