I already posted this in the main forum, but if anyone wants to help, it would be greatly appreciated! (All my questions are about the '79/80 YZ80) 1. How much horsepower (would you think) a 1979 YZ80 would have with an 85cc bore? 2. Is it tall/big enough for a 5'8 230lbs guy? 3. If not, where can I find stronger springs/suspension? 4. Can I put modern grips and or bars on the little monster? 5. Post vintage 80ccs!