The L12A and L13A engines, as fitted to my GD, has 16 valves.
Stock L12A i-DSI engine
Available exclusively in the European domestic market Jazz and available with only a 5-speed manual transmission.
Displacement: 1,246 cc (76.0 cu in)
Bore x Stroke: 73.0 mm × 74.4 mm (2.87 in × 2.93 in)
Compression Ratio: 10.8:1
Power: 60 kW (82 PS; 80 hp) @ 5,700 rpm
Torque: 110 N⋅m (81 lb⋅ft) @ 2,800 rpm
Variations: L12A1
SOHC 16 valve
8 spark plugs, 2 per cylinder
L13A i-VTEC
SOHC 16 valve i-VTEC
Displacement: 1,339 cc (81.7 cu in)
Bore x Stroke: 73.0 mm × 80.0 mm (2.87 × 3.15 in)
Compression Ratio: 10.5:1
Horsepower: 73 kW (99 PS; 98 hp) (99 PS; 98 hp) / 6,000 rpm
Torque: 127 N⋅m (94 lb⋅ft) / 4,800 rpm