Hi all....i have the chance to trade a very good and sound Alpine 640 for a 1988 AC Panthera 440 liquid with reverse no starter....i need feed back on this machine.....i know fairly well FC machine(all Alpine or Nordic 640).....That would be my first liquid......it has 2 rad...one inside the cowling and one in the tunnel. Are the hard to start in the cold??????do they tend to overheat in say.....+4/5 ....ect......Thank you inadvance.