Engine Information
Item Description
Configuration Transverse mounted I4, cast
aluminum cylinder block and
cylinder heads
Bore x Stroke 87.5 mm bore x 83.1 mm stroke
(3.44 in. x 3.27 in.)
Displacement 1999 cubic centimeters
(122 cubic inches)
Compression ratio 9.3:1
Horsepower 252 hp @ 5500 RPM on 93 octane
243 hp @ 5500 RPM on 87 octane
Torque 270 lb-ft @ 2500 RPM on
93 octane
270 lb-ft @ 2500 RPM on
87 octane
Redline 6500 RPM continuous
6800 RPM 3-second overspeed
Specific output 126 horsepower per liter
Valvetrain Twin independent variable cam
timing
Ignition Coil-on-plug
Fuel system 150 bar fuel pump
Throttle body 57 mm (2.2 in.)
Pistons Cast aluminum
Crankshaft Cast iron
Connecting rods Forged steel
Turbo Single scroll / 21 psi max boost*
Exhaust system 63 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
2014 Focus ST (stf)
Supplement, 1st Printing, June 2013
USA (fus)
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