Complex sentence: It can be fitted with an engine between 45 and 80 hp (33.6 to 59.7 kW), the prototype had a HKS 700E two-cylinder four-stroke engine.
Split into simpler sentences: It can be fitted with an engine between 45 and 80 hp (33.6 to 59.7 kW). The prototype had a HKS 700E two-cylinder four-stroke engine.