More cooling fin area extends the life of the engine and virtually eliminates engine seizures in the air. Added "webbing" on the crankcase strengthens high-stress areas to help ensure that they stand up to the rigors of learning to fly


More cooling fin area extends the life of the engine and virtually eliminates engine seizures in the air. Added "webbing" on the crankcase strengthens high-stress areas to help ensure that they stand up to the rigors of learning to fly

