Honda V12 engine
Overview
Manufacturer	Honda
Designer	Yoshio Nakamura (1964-1968) Osamu Goto (1991-1992)
Production	1964–1968, 1991–1992
Layout
Configuration	60°-75° V12
Displacement	1.5–3.5 L (91.5–213.6 cu in)
Valvetrain	48-valve, DOHC, four-valves per cylinder[1][2][3]
Compression ratio	12.0:1-12.9:1[4]
Combustion
Fuel system	Electronic fuel injection
Fuel type	Gasoline
Cooling system	Water-cooled
Output
Power output	210–805 hp (157–600 kW; 213–816 PS)[5][6]
Torque output	110–370 lb⋅ft (149–502 N⋅m)[7][8]
Dimensions
Dry weight	120–160 kg (264.6–352.7 lb)[9]
Chronology
Predecessor	Honda RA16 engine
Successor	Honda RA6 hybrid engine

Honda has made a number of naturally-aspirated V12 engines designed for Formula One motor racing; starting with the 1.5-litre RA271E engine in 1964,^[10][11] and ending with the 3.0-litre RA273E in 1968.^[5][12] This would be followed by a 21-year hiatus, until Honda reintroduced the new 3.5-litre RA121E in 1991.^[13] The RA121E would go down as the last V12 engine to win a Formula One World Championship.^[14] Honda's last-ever V12 engine, the RA122E/B, raced in 1992.^[15]

Applications

• Honda RA271
• Honda RA272
• Honda RA273
• Honda RA300
• Honda RA301
• RC-F1 1.0X (RC100) / RC-F1 1.5X (RC101) (prototypes; never raced)
• McLaren MP4/6
• McLaren MP4/7A

Grand Prix engine results

• 1 World Constructors' Championships.
• 1 World Drivers' Championships.
• 15 race wins.
• 12 pole positions.
• 35 podium finishes

References