User Manual - Page 578

For 2018 WRX WRX PREMIUM.

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北米Model "A1700BE-B" EDITED: 2017/ 9/ 12
GAS STATION REFERENCE
S99AA
& Fuel:
S99AA01
! STI
S99AA0106
The engine is designed to operate at maximum performance
using unleaded gasoline with an octane rating of 93 AKI (98
RON) or higher. If 93 AKI (98 RON) fuel is not readily available
in your area, unleaded gasoline with an octane rating of 91 AKI
(95 RON) may be used with no detriment to engine durability or
driveability. However, you may notice a slight decrease in
maximum engine performance while using 91 AKI (95 RON)
fuel. Use of 91 AKI (95 RON) fuel will not affect your warranty
coverage.
! Except STI
S99AA0108
Use unleaded gasoline with an octane rating of 91 AKI (95
RON) or higher. If 91 AKI (95 RON) fuel is not readily available,
unleaded gasoline with an octane rating of 87 AKI (90 RON) may
be used.
& Fuel octane rating:
S99AA02
! AKI
S99AA0202
This octane rating is the average of the Research Octane and
Motor Octane numbers and is commonly referred to as the Anti
Knock Index (AKI).
! RON
S99AA0201
This octane rating is the Research Octane Number.
& Fuel tank capacity:
S99AA03
15.9 US gal (60 liters, 13.2 Imp gal)
& Engine oil:
S99AA04
Use only the following oils.
. ILSAC GF-5, which can be identified with the ILSAC
certification mark (Starburst mark)
. or API classification SN with the words “RESOURCE
CONSERVING”
For the complete viscosity requirements, refer to “Engine oil”
F12-4.
& Engine oil capacity:
S99AA05
! STI
S99AA0501
4.5 US qt (4.3 liters, 3.8 Imp qt)
! Except STI
S99AA0502
5.4 US qt (5.1 liters, 4.5 Imp qt)
The indicated oil quantity is only a guideline and is estimated
based on a case when the engine oil is changed with an oil filter.
Check the oil level using an oil level gauge after refilling the
engine with oil. For more details about maintenance and
service, refer to “Engine oil” F11-13.
& Cold tire pressure:
S99AA06
Refer to “Tires” F12-8.