Mazda B engine
Reciprocating internal combustion engine / From Wikipedia, the free encyclopedia
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The Mazda B-series is a small-sized, iron-block, inline four-cylinder engine with belt-driven SOHC and DOHC valvetrain ranging in displacement from 1.1 to 1.8 litres. It was used in a wide variety of applications, from front-wheel drive economy vehicles to the turbocharged full-time 4WD 323 GTX and rear-wheel drive Miata.
Mazda B engine | |
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Overview | |
Manufacturer | Mazda |
Production | 1985–2005 |
Layout | |
Configuration | Inline-four engine |
Cylinder bore |
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Piston stroke |
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Cylinder block material | Cast iron |
Cylinder head material | Aluminum |
Valvetrain | |
Combustion | |
Fuel type | Gasoline |
Oil system | Wet sump |
Cooling system | Water-cooled |
Chronology | |
Successor |
The B-series is a "non-interference" design, meaning that breakage of its timing belt does not result in damage to valves or pistons, because the opening of the valves, the depth of the combustion chamber and (in some variants) the shaping of the piston crown allow sufficient clearance for the open valves in any possible piston position.