I just picked up a 91 Acty. Starts and runs at idle like a good little Honda. Lots of power in first. Shift to second and there is power until the top of the power band and then it dies off. Third gear (and all others after) have the motor dying off under throttle, but if you feather the throttle it is possible to continue moving forward a few revs above idle. I have looked through other posts and see no specific mention of this problem. I am wondering what area I should focus in on. Air filter is new. No blockage leading to air box. Carb was apart and looks tidy. Jets were not plugged. Fuel pump whirrs away contently and produces a good flow at the carb. (No pressure reading but a good volume). New(ish) exhaust. No restrictions. Oil is fresh and at level. Head looks shiny. Possibly new. Valve settings appear spot on. New alt. and starter. Heater fan at dash does not operate. (Just putting that out there) Assist fan (under body right side) has a manual switch wired in. Thermoswitch must have been bad. Temp gauge has not budged after 40 minutes of running. Air has been bled from system. Plugs, wires and rotor could be suspect. Solenoids at carb could be suspect. Where should I look/spend money first? Could a fuel issue cause this (solenoids)? Could I have ignition components breaking down? Thoughts on where to start appreciated.