compression ratio MAZDA MODEL 3 HATCHBACK 2005 Owner's Manual (in English)

Black plate (312,1)
Specifications
qEngine
ItemModel
2.0-liter engine 2.3-liter engine
Type DOHC-16V in-line, 4-cylinder
Bore×Stroke 87.5 × 83.1 mm (3.44 × 3.27 in) 87.5 × 94.0 mm (3.44 × 3.70 in)
Displacement 1,999 ml (1,999 cc, 121.9 cu in) 2,261 ml (2,261 cc, 137.9 cu in)
Compression ratio 10.0 9.7
qElectrical System
Item Classification
Battery 12V-40AH/5HR, 12V-52AH/5HR, 12V-55AH/5HR
Alternator 12 V - 90 A
Starter2.0-liter engine 12 V - 1.0 kW
2.3-liter engine 12 V - 1.4 kW
Spark-plug number L303 18 110
*
Spark-plug gap 1.25―1.35 mm (0.049―0.053 in)
* ex factory
NOTE
When cleaning the iridium plugs, do not use a wire brush. The fine particulate coating on
the iridium alloy and platinum tips could be damaged.
qLubricant Quality
Lubricant Classification
Engine oilRefer to the recommended SAE viscosity numbers on page
8-13.
Manual transaxle oilAny temperatureAPI Service GL-4 or GL-5
SAE 75W-90
Above 10°C (50°F)API Service GL-4 or GL-5
SAE 80W-90
Automatic transaxle fluid ATF M-V
Power steering fluid ATF M-III or equivalent (e.g. Dexron® III)
Brake/Clutch fluid SAE J1703 or FMVSS116 DOT-3
10-4
Specifications
Mazda3_8T97-EC-04J_Edition1 Page312
Saturday, September 25 2004 2:17 PM
Form No.8T97-EC-04J