Purpose, Function
The cylinder block forms the cylinder and crankcase.
Construction
The cylinder block consists of the upper cylinder block and lower cylinder block.
The cylinder block is an open deck type with excellent cooling performance.
The lightweight cylinder block is made of aluminum alloy with excellent heat dispersion.
With the adoption of the lower cylinder block, the coupling rigidity of the transaxle and support rigidity of the crankshaft have been improved reducing engine vibration.
The oil separator function is set to the upper cylinder block, enhancing ventilation of the blow-by gas.

Engine Assembly
Engine Front CoverFuel Pump Control
Outline
By switching the fuel pump discharge amount, reduced power consumption and
improved fuel economy have been realized.
The PCM determines the optimum fuel pump drive force according to the engine
operation conditions, and sends the fuel pump drive signal to the fuel pump
...
Front Sash Molding Installation
WARNING:
Using a utility knife with bare hands can cause injury. Always wear gloves
when using a utility knife.
NOTE:
Double-sided adhesive tape has already been attached to the new front sash
molding.
1. When installing a new front sash molding, follow the procedur ...
Engine Oil
NOTE
Changing the engine oil should be performed by an Authorized Mazda Dealer.
Refer to Introduction for owner's responsibility in protecting your investment.
Recommended Oil
U.S.A. and CANADA
0W-20 full synthetic recommended:
Mazda Genuine Oil is used in your Mazda vehicle and is t ...