Nissan MA engine

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  • 2.1 Mixture preparation
  • 2.2 Performance
  • 2.3 Motor data
  • 2.4 materials
  • 2.5 crankshaft
  • 2.6 Lubrication System
  • 2.7 Cooling System
  • 2.8 ignition without catalytic converter or with U -KAT
  • 2.9 ignition with KAT
  • 2:10 Motor Control
  • 2:11 Trivia
  • 3.1 Mixture preparation
  • 3.2 Performance
  • 3.3 Motor data
  • 3.4 materials
  • 3.5 crankshaft
  • 3.6 Lubrication System
  • 3.7 Cooling System
  • 3.8 ignition at all versions
  • 3.9 Motor Control
  • 3:10 Trivia
  • 4.1 Mixture preparation
  • 4.2 Performance
  • 4.3 Motor data
  • 4.4 materials
  • 4.5 crankshaft
  • 4.6 Lubrication System
  • 4.7 Cooling System
  • 4.8 ignition
  • 4.9 Find out more
  • 5.1 Mixture preparation
  • 5.2 charging
  • 5.3 Performance
  • 5.4 Motor data
  • 5.5 materials
  • 5.6 crankshaft
  • 5.7 Lubrication System
  • 5.8 Cooling System
  • 5.9 ignition at all versions
  • 5:10 Motor Control

Nissan MA engine series

The Nissan MA engine series has been newly developed for the Nissan Micra K10, who came to Japan in 1983 and Germany in 1982 to market. Were acquired different details from the motor series A and E of that larger vehicles.

The engine was designed exclusively in two -valve technology. The engine block and cylinder head made ​​entirely of aluminum, which achieved a very low weight of only 70 kg ( incl. intake and exhaust manifold and alternator).

In addition to the 1.0-liter and 1.2 - liter petrol versions available in Germany, there were also in other countries, a 1.0 - injection, 1.0 turbo and a 0.9 -liter turbo compressor version.

The following MA engines were built by Nissan:

  • MA09ERT
  • MA10ET
  • MA10E
  • MA10S
  • MA12S

The motors are installed in the following, all based on the K10 platform Nissan models:

  • Nissan Micra ( HK10 )
  • Nissan Micra Turbo ( EK10FR )
  • Nissan Micra Super Turbo
  • Nissan Pao ( PK10 )
  • Nissan Figaro ( FK10 )
  • Nissan Be -1 ( BK10 )

The Nissan S- Cargo, also on K10 - base, the E15S engine was installed. The Nissan MA10E was sold in the kit, with the Nissan Saurus Jr..

Breakdown of the engine code

Nissan MA10S

The MA10S has been the first engine of the MA- series engine. He served for all subsequent versions of the engine as a basis.

Mixture preparation

  • For versions without KAT a downdraft carburetor with electronic shut-off valve against after-run
  • In versions with KAT a downdraft carburetor with Gemischregulierventil and shut-off valve
  • This carburetor version is also called single point injection, bearing in mind here that the Gemischregulierventil not injecting Kraftstroff, but additional air added, creating a mixture rudimäntäre regulation is achieved.

Performance

  • Performance without EGR / CAT: 40KW/55PS at 6000 rpm
  • Torque without EGR / CAT: 76 Nm at 3.600/min
  • Power with EGR / CAT: 37KW/50PS at 6000 rpm.
  • Torque with EGR / CAT: 72 Nm at 3.600/min.

Motor data

  • Bore: 68 mm
  • Stroke: 68 mm
  • Bore - to-stroke ratio: 1.0
  • Compression 9.5:1 or 10.3:1
  • Two valves per cylinder ( attached to each other at an angle, not perpendicular )
  • Inlet valve: 35 mm diameter
  • Outlet: 30 mm in diameter
  • Central camshaft driven by toothed belts (very similar to Opel CIH )
  • Hemispherical combustion chamber
  • Hemispherical piston crown ( different compression heights)
  • Cross-flow cylinder head
  • Centrally located spark plug

Materials

  • All-aluminum engine block
  • All-aluminum cylinder head
  • Dry cylinder liners made ​​of steel

Crankshaft

  • 5-bearing crankshaft
  • Main bearing diameter 45 mm
  • Main bearing width 17.1 mm
  • Pleuellagerdruchmesser 40 mm
  • Pleuellagerbreite 15.1 mm
  • Crankshaft with holes through the rod journals for weight loss

Lubrication system

  • Oil content: 2.8 liters (viscosity 10W -40, 15W -40, 20W -50, depending on the application )
  • Oil pump in the oil sump is driven via a shaft - gear combination of the camshaft

Cooling System

  • Coolant capacity 4 liters
  • Cooling system with expansion tank

Ignition without catalytic converter or with U -KAT

  • Unterdruckverstellter distributor, driven by camshaft
  • Firing order: 1-3-4-2
  • Ignition timing: 2 ° after TDC at 750 rpm to 850 rpm ( for manual transmission)
  • Spark Plug: NGK BPR4ES, NGK BPR5ES, NGK BPR6ES ( depending on the application )

Ignition with KAT

  • Electronically disguised transistor ignition, driven by camshaft
  • Firing order: 1-3-4-2
  • Ignition timing: 10 ° BTDC at 750 rpm to 850 rpm ( for manual transmission)
  • Spark Plug: NGK BPR4ES -11, NGK BPR5ES -11, NGK BPR6ES -11 ( depending on the application )

Motor control

  • Control unit without KAT: for shut-off valve
  • Control unit with KAT: for shut-off valve, ignition timing and mixture adjustment
  • The built- CPU is a processor of the Motorola 68000 series of. The EPROM is socketed!

Find out more

Nissan MA12S

The Nissan MA12S is an enhanced version of the displacement MA10S. She came to 1987 with the facelift of the Micras on the market. It closely corresponds to the data of the MA10. Have changed the stroke (crankshaft), the bore (piston, cylinder), the connecting rods in length and the cylinder head ( bore diameter ).

Mixture preparation

  • For versions without KAT a downdraft carburetor with electronic shut-off valve against after-run
  • In versions with KAT a downdraft carburetor with Gemischregulierventil and shut-off valve
  • This carburetor version is also called single point injection, bearing in mind here that the Gemischregulierventil not injecting Kraftstroff, but additional air added, creating a mixture rudimäntäre regulation is achieved.

Performance

  • Performance without KAT: 44KW/60PS
  • Torque without EGR / CAT: 98 Nm at 3000 rpm
  • Performance with KAT: 40KW/55PS
  • Torque without EGR / CAT: 92 Nm at 3000 rpm

Motor data

  • Bore: 71 mm
  • Stroke: 78 mm
  • Bore - to-stroke ratio: 1,099
  • 9:1 ​​compression
  • Two valves per cylinder ( attached to each other at an angle, not perpendicular )
  • Inlet valve: 35 mm diameter
  • Outlet: 30 mm in diameter
  • Central camshaft driven by toothed belts (very similar to Opel CIH )
  • Hemispherical combustion chamber
  • Hemispherical piston crown
  • Cross-flow cylinder head
  • Centrally located spark plug

Materials

  • All-aluminum engine block
  • All-aluminum cylinder head
  • Dry cylinder liners made ​​of steel

Crankshaft

  • 5-bearing crankshaft
  • Main bearing diameter 45mm
  • Main bearing width 17.1 mm
  • Pleuellagerdruchmesser 40mm
  • Pleuellagerbreite 15.1 mm
  • Crankshaft with holes through the rod journals for weight loss

Lubrication system

  • Oil content: 2.8 liters (viscosity 10W -40, 15W -40, 20W -50, depending on the application )
  • Oil pump in the oil sump is driven via a shaft - gear combination of the camshaft

Cooling System

  • Coolant capacity 4 liters
  • Cooling system without reservoir ( pressure cooling system)

Ignition at all versions

  • Electronically disguised transistor ignition, driven by camshaft
  • Firing order: 1-3-4-2
  • Ignition timing: 10 ° BTDC at 750 rpm to 850 rpm ( for manual transmission)
  • Spark Plug: NGK BPR4ES -11, NGK BPR5ES -11, NGK BPR6ES -11 ( depending on the application )

Motor control

  • Control unit without KAT: for valve and ignition timing
  • Control unit with KAT: for shut-off valve, ignition timing and mixture adjustment
  • The built- CPU is a processor 68000 series from Motorola. The EPROM is socketed!

Find out more

Nissan MA10ET

The MA10ET came in 1985 with introduction of the March Turbo on the Japanese market. It is one with a turbocharger and ECCS extended MA10S.

Mixture preparation

  • Nissan ECCS

Performance

  • Power: 55KW/75PS at 6000 rpm
  • Torque: 120 Nm at 4.400/min

Motor data

  • Bore: 68 mm
  • Stroke: 68 mm
  • Bore - to-stroke ratio: 1.0
  • 8:1 compression
  • Two valves per cylinder ( attached to each other at an angle, not perpendicular )
  • Inlet valve: 35 mm diameter
  • Outlet: 30 mm in diameter
  • Central camshaft driven by toothed belts (very similar to Opel CIH )
  • Hemispherical combustion chamber
  • Hemispheric piston crown ( different compression heights)
  • Cross-flow cylinder head
  • Centrally located spark plug

Materials

  • All-aluminum engine block
  • All-aluminum cylinder head
  • Dry cylinder liners made ​​of steel

Crankshaft

  • 5-bearing crankshaft
  • Main bearing diameter 45 mm
  • Main bearing width 17.1 mm
  • Pleuellagerdruchmesser 40 mm
  • Pleuellagerbreite 15.1 mm
  • Crankshaft with holes through the rod journals for weight loss

Lubrication system

  • Oil content: 2.8 liters (viscosity 10W -40, 15W -40, 20W -50, depending on the application )
  • Oil pump in the oil sump is driven via a shaft - gear combination of the camshaft

Cooling System

  • Coolant capacity 4 liters
  • Cooling system with expansion tank

Ignition

  • Electronically disguised transistor ignition, driven by camshaft
  • Firing order: 1-3-4-2
  • Ignition timing: 10 ° BTDC at 750 rpm to 850 rpm ( for manual transmission)
  • Spark Plug: NGK BPR4ES -11, NGK BPR5ES -11, NGK BPR6ES -11 ( depending on the application )

Find out more

Nissan MA09ERT

The Nissan MA09ERT is an enhanced version of MA10ET. He was introduced around 1988 in the Nissan Micra Super Turbo. The engine was slightly reduced in displacement, but extended with a Roots-type supercharger. That made the performance of the 75HP strong MA10ET increase to 110PS ( in MA09ERT ).

Mixture preparation

  • Nissan ECCS - Multipoint injection

Charging

  • Roots compressor, driven by belts
  • Turbocharger

Performance

  • Performance without KAT: 81KW/110PS at 6,400 min-1
  • Torque without KAT: 130 Nm at 4,800 min-1

Motor data

  • Bore: 68 mm
  • Stroke: 66 mm
  • Bore - to-stroke ratio: 0.971
  • 7.7:1 compression
  • Two valves per cylinder ( attached to each other at an angle, not perpendicular )
  • Inlet valve: 35 mm diameter
  • Outlet: 30 mm in diameter
  • Central camshaft driven by toothed belts (very similar to Opel CIH )
  • Emisphärischer combustion chamber
  • Hemispherical piston crown
  • Cross-flow cylinder head
  • Centrally located spark plug

Materials

  • All-aluminum engine block
  • All-aluminum cylinder head
  • Dry cylinder liners made ​​of steel

Crankshaft

  • 5-bearing crankshaft
  • Main bearing diameter 45 mm
  • Main bearing width 17.1 mm
  • Pleuellagerdruchmesser 40 mm
  • Pleuellagerbreite 15.1 mm
  • Crankshaft with holes through the rod journals for weight loss

Lubrication system

  • Oil content: 2.8 liters (viscosity 10W -40, 15W -40, 20W -50, depending on the application )
  • Oil pump in the oil sump is driven via a shaft - gear combination of the camshaft

Cooling System

  • Coolant capacity 4 liters
  • Cooling system with expansion tank ( pressure cooling system)

Ignition at all versions

  • Electronically disguised transistor ignition, driven by camshaft
  • Firing order: 1-3-4-2
  • Ignition timing: 15 ° BTDC at 750 rpm (auto) to 850 rpm (manual transmission)

Motor control

  • Nissan ECCS
Nissan Be-1 Nissan S-Cargo Platzer Kiebitz
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