The cost of a Robin Subaru engine varies from $200 to $1000, depending on the exact model and the specifications of the engine. The horizontal six Hp SP170 is the cheapest option, and the horizontal 14 HP EX40 is the most expensive.
Some of the features of Robin Subaru engines are automatic decompression systems, dual ball bearing crankshafts and pent-roof combustion chambers. The most advanced model, the EX40, has a displacement capacity of 404cc and can produce 14 horsepower at 3600 rpm. In comparison, the SP170 displaces 169cc and produces 5.7 horsepower at 4000 rpm. Robin Subaru? engines are often sold with three- or five-year warranties.