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Reciprocating internal combustion engine
Mazda Z engine
Mazda ZY-VE engine
Overview
Manufacturer
Mazda
Production
1995-2014
Layout
Configuration
Inline 4
Displacement
1.3 L; 82.3 cu in (1,348 cc)
1.5 L; 90.9 cu in (1,489 cc)
1.5 L; 91.4 cu in (1,498 cc)
1.6 L; 97.5 cu in (1,598 cc)
Cylinder bore
74 mm (2.91 in)
75.3 mm (2.96 in)
78 mm (3.07 in)
Piston stroke
78.4 mm (3.09 in)
83.6 mm (3.29 in)
Cylinder block material
Cast iron, Aluminum
Cylinder head material
Aluminum
Valvetrain
DOHC 4 valves x cyl. with VVT
Combustion
Fuel system
Fuel injection
Fuel type
Gasoline
Oil system
Wet sump
Cooling system
Water-cooled
Output
Power output
88 hp (66 kW; 89 PS) 90 hp (67 kW; 91 PS) 91 hp (68 kW; 92 PS) 92 hp (69 kW; 93 PS) 105 hp (78 kW; 106 PS) 110 hp (82 kW; 112 PS) 111 hp (83 kW; 113 PS) 130 hp (97 kW; 132 PS)
Chronology
Predecessor
Mazda B engine
Successor
Mazda SKYACTIV-G engine
The Mazda Z-series is a smaller gasoline inline-four engine ranging in displacements from 1.3 L to 1.6 L. They are the evolution of the cast-iron block B-engine.
The Z-engine has 16-valves operated by dual overhead camshafts, which are in turn driven by a timing chain (ZJ/Z6/ZY only). The block of the 98-02 Z5, ZM and ZL engine is cast iron same as the earlier B series of engines.
Other Z engines have aluminum alloy block and head, with cast-iron cylinder liners.
The block features split upper and lower block assembly for added strength and rigidity, special long intake manifold for added torque, S-VT continuous variable valve timing, and a stainless steel 4:1 exhaust header.
In 2011, Mazda started to introduce the SkyActiv-G as a new, more economical option for vehicles that were equipped with the Mazda Z-engine. Production of the Z-series halted in 2014, being the last year of the Mazda2, Verisa as well as Mazda3 of their generations. Mazda moved on to the full SkyActiv architecture in their vehicle lineup, including running only the aforementioned SkyActiv-G engine, now offered in larger displacements, alongside a new SkyActiv-D turbo-diesel engine.
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