Key Specifications Engine: 149cc, air-cooled, 4-stroke, SOHC, 2-valve engine. Power Output: 13.1 – 13.2 PS @ 8,000 rpm. Torque: 12.8 Nm @ 6,000 rpm. Fuel System: Fuel Injection (FI) with Yamaha's "Blue Core" technology, designed to improve fuel economy by approximately 14%. Transmission: 5-speed manual, constant mesh. Weight: 132–133 kg (kerb weight). Fuel Tank: 12 liters.