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qEngine
Item
Specification
2.5-liter engine 3.7-liter engine
Type DOHC-16Vin-line, 4-cylinder DOHC-24V60°V, 6-cylinder
Bore×Stroke 89.0 ×100 mm(3.50 × 3.94 in) 95.5 × 86.7mm (3.75× 3.41 in)
Displacement 2,488 ml (2,488cc, 151.8 cu in) 3,726 ml (3,726cc, 227.4cu in)
Compression ratio 9.7 10.3
qElectrical System
Item Classification
Battery 12V-46AH/5HR
Spark-plug number
2.5-liter engine
LFG118 110
*1
L3Y2 18 110
3.7-liter engine CY0118 110
*1
Spark-plug gap
2.5-liter engine 1.25―1.35 mm(0.049―0.053 in)
3.7-liter engine 1.29―1.45 mm(0.051―0.057 in)
*1 ex factory
CAUTION
When cleaning the iridium plugs, do not use a wire brush.
(2.5-liter engine) The fine particulate coating on the iridium alloy and platinum tips
could be damaged.
(3.7-liter engine) The fine particulate coating on the platinum alloy could be
damaged.
qLubricant Quality
Lubricant Classification
Engine oil
Refer to the recommended SAE viscosity numberson page
8-19.
Manual transaxle oil
Any temperature
API Service GL-4or GL-5
SAE 75W-90
Above 10°C (50°F)
API Service GL-4or GL-5
SAE 80W-90
Automatic transaxle fluid
2.5-liter engine ATF M-V
3.7-liter engine JWS3309
Power steering fluid ATF M-V
Brake/Clutch fluid SAEJ1703 orFMVSS116 DOT-3
10-4
Specifications
Mazda6_8AS3-EA-09E_Edition1 Page504
Wednesday, May 13 2009 2:27 PM
Form No.8AS3-EA-09E