Never heard of one of these put on a Dyno to Really measure HP and Torque but the original specs were "
5 hp/5.1 PS @ 8,000 RPM ST70: 5.6 hp/5.7 PS @ 8,000 RPM CT70H: 4 hp/4 PS @ 8,000 RPM
From my Dyno Experience with Big HP Race Engines The HP and Torque Curves Peak at 8000 RPM's. That...