dude sounds like you dont got the chonies to ride a 2 stroke, i dont care if the twostroke is faster or i would hurt myself on anything faster bla blah blah, i dont mean to sound harsh, but the trike is only as dangerous as the rider, bro you can ride anything with the right mind set and respect for the vehicle, on the air-cooled R i have the guy told us he got 4 years out of a top end and he rode it at least once a week, he mixed 32:1 AND NEVER LOOK BACK, if you ride them good and respect them you can get some good ride time out of them. And to answer your baised 4 stroke thing about better life and stuff, well yes they do run very well for a along time but depending on how a fourstroke goes out it can be very costly, freind of mine accidently ran his 350X out of oil and O BOY i think it was like 1K to get it back running right. I say 2 stroke if you dont want to get smoked by sport quads, and open areas and fields O BOY 2 stroke heaven, if you dont think you can handle a water pumper R then get yourself a air-cooled R, they make great torque and power, and are by far the easist to work on two-strokes.
adam
86 ATC 500R the duner..
85 ATC 500R...the not quite finished faster duner
1985 ATC 250R Bone stock!!
1985 ATC250R mx/duner
1986 TRX370R MX/Duner
94 Banshee 400PV Cheetah 105RWHP