Ford Focus ST 2017 Owner's Manual Supplement page 11

Item
Engine Specifications
Configuration
Bore x stroke
Displacement
Compression ratio
Horsepower
Torque
Redline
Specific output
Valvetrain
Ignition
Fuel system
Throttle body
Pistons
Crankshaft
Connecting rods
2017 Focus ST (CDH) ST, Canada/United States of America, HM5J 19A285 AB enUSA, Edition date: 201608, Second Printing
At a Glance
2nd
3rd
4th
5th
6th
Reverse
Item
Description
1.952
1.321
1.321
1.129
0.943
4.600
Description
Transversely mounted I4, cast aluminum
cylinder block and cylinder heads
3.4 in (87.5 mm) bore x 3.2717 in (83.1 mm)
122 in³ (1,999 cm³)
252 hp @ 5500 RPM on 93 octane
243 hp @ 5500 RPM on 87 octane
270 lb-ft @ 2500 RPM on 93 octane
270 lb-ft @ 2500 RPM on 87 octane
6500 RPM continuous
6800 RPM three-second overspeed
126 horsepower per liter
Twin independent variable cam timing
Coil-on-plug
150 bar fuel pump
2.2 in (57 mm)
Cast aluminum
Cast iron
Forged steel
8
4.063
4.063
4.063
2.955
2.955
2.955
stroke
9.3:1