Engine Information
Item Description
ConfigurationTransverse mounted I4, cast
aluminum cylinder block and
cylinder heads
Bore x Stroke87.5 mm bore x 83.1 mm stroke
(3.44 in. x 3.27 in.)
Displacement1999 cubic centimeters
(122 cubic inches)
Compression ratio9.3:1
Horsepower252 hp @ 5500 rpm on 93 octane
243 hp @ 5500 rpm on 87 octane
Torque270 lb-ft @ 2500 rpm on 93 octane
270 lb-ft @ 2500 rpm on 87 octane
Redline6500 rpm continuous
6800 rpm 3 second over-rev
Specific output126 hp/liter
ValvetrainTwin independent variable cam
timing
IgnitionCoil-on-plug
Fuel system150 bar fuel pump
Throttle body57 mm (2.2 in.)
PistonsCast aluminum
CrankshaftCast iron
Connecting rodsForged steel
TurboSingle scroll / 21 psi max boost*
Exhaust system63 mm (2.5 in.) diameter
* SAE Certified Performance ratings are achieved with 19.5 psi, but up
to 21 psi can be delivered to maximize power depending on fuel quality
and atmospheric conditions.
Focus ST Unique Features
8
2013 Focus ST(stf)
Supplement, 1st Printing
USA(fus)
OCTANE RECOMMENDATIONS
Regular unleaded gasoline with a
pump (R+M)/2 octane rating of 87 is
recommended. Some stations offer
fuels posted as Regular with an
octane rating below 87, particularly
in high altitude areas. Fuels with octane levels below 87 are not
recommended. Premium fuel with an octane rating of 93 or higher will
provide improved performance and is recommended for severe duty or
high performance usage.
87(R+M)/2 METHOD
Maintenance
20
2013 Focus ST(stf)
Supplement, 1st Printing
USA(fus)
