Mazda 13B-MSP Technical Information download pdf (Page 33)

Powertrain Engines

Pistons

• The shape of the pistons has been adapted to the requirements of the direct injection

system, i.e. the piston top is recessed to improve the mixture formation.

• The piston skirt is redesigned due to the modified oil jet valves. In addition, it features a

coating to reduce friction between the piston and the cylinder.

• Piston, piston pin and connecting rod are not shrinkage fitted, i.e. the components can

be replaced separately.

L1001.4_01018

1 Oil jet release width

Cylinder Head

• Due to the adoption of the direct injection system the cylinder head is equipped with

installation holes for the fuel injectors.

L1001.4_01019

1 Fuel injector installation hole 2 Combustion chamber

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Mazda 13B-MSP Technical Information Page 33