Yamaha FZS- FI version-3 Engine Type Air cooled, 4-stroke, SOHC, 2-valve Displacement 149 cc Bore x Stroke 57.3 mm x 57.9 mm Compression Ratio 9.6 : 1 Starter System Electric Starter
Yamaha FZS- FI version-4 Engine Type Air cooled, 4-stroke, SOHC, 2-valve Displacement 149 cc Bore x Stroke 57.3 mm x 57.9 mm Compression Ratio 9.6 : 1 Starter System Electric Starter