The MA is a straight-4 SOHC 0.9 L, 1.0 L, or 1.2 L engine introduced in 1982 by Nissan, intended primarily for the K10 series Micra/March model. It shares design similarities with the older E engine, with an 8-valve hemispherical cylinder head but differs in that it uses an aluminium cylinder block. Unusually, the specified ignition timing for the MA10 running on the specified 90 RON gasoline was 2 degrees after top dead centre, reflecting a very high flame speed in the compact combustion chambers.
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Nissan MA engine | |
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Overview | |
Manufacturer | Nissan Motors |
Production | 1983-1992 |
Layout | |
Configuration | Inline-4 |
Displacement | 0.9 L (930 cc) 1.0 L (987 cc) 1.2 L (1,235 cc) |
Cylinder bore | 66 mm (2.60 in) 68 mm (2.68 in) 71 mm (2.80 in) |
Piston stroke | 68 mm (2.68 in) 78 mm (3.07 in) |
Block material | Aluminium |
Head material | Aluminium |
Valvetrain | SOHC 2 valves x cyl. |
Compression ratio | 7.7:1, 8.0:1, 9.0:1, 9.5:1 |
Combustion | |
Turbocharger | Single Twincharger (MA10ET, MA09ERT) |
Fuel system | Fuel injection (MA09ERT, MA10E, MA10ET) Carburetor (MA10S, MA12S) |
Fuel type | Gasoline |
Cooling system | Water cooled |
Output | |
Power output | 70–109 hp (52–81 kW; 71–111 PS) |
Torque output | 74.53–98 lb⋅ft (101–133 N⋅m) |
Dimensions | |
Dry weight | 111 kg (245 lb) |
Chronology | |
Successor | Nissan CG engine |
The MA10E was used in the Nissan Saurus Jr.
The MA09ERT was a twin charged (supercharger and turbocharger) engine that powered the March Superturbo, March R and the March Superturbo R.
The Nissan MA10ET powered the Figaro and March Turbo.
The MA10S is an engine with an electronically controlled carburetor. It was used in the Be-1 and 1989 Micra and Pao.
The MA12S is the designation for the larger 1.2 L (1,235 cc) engine. It was used in the Nissan Micra K10.
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