Mazda RX-8 2010 Owner's Manual page 423

Specifications
qEngine
Item
Type
Displacement
Compression ratio
qElectrical System
Battery
Spark-plug number
Spark-plug gap
*1 ex factory
CAUTION
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
Engine oil
Manual transmission oil
Automatic transmission fluid
Rear differential oil
Brake/Clutch fluid
* Not available from Mazda
10-4
Specifications
Item
Trailing side
Leading side
Refer to the recommended SAE viscosity numbers on page 8-12.
Model
Rotary engine
654 ml × 2 (654 cc × 2, 40.0 cu in × 2)
10.0
N3Y1 18 110A, N3H1 18 110D
N3Y8 18 110A, N3Y9 18 110A, N3H5 18 110A
1.15 1.25 mm (0.046 0.049 in)
Classification
API Service GL-4 (SAE 75W-90)
JWS3309
API Service GL-5 (SAE 90)
API Service GL-5 (SAE 80W-90)
API Service GL-5 (SAE 75W-90)
SAE J1703 or FMVSS116 DOT-3
Classification
12V-55AH/5HR
*1
*
*1