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Bike Specs

Harley-Davidson specs

A model-year spec database for the workshop favourites — engines, chassis, brakes and the numbers that matter, from 2008 to 2026.

BreakoutFXSB / FXBR / FXBRS

Introduced 2013. A long, low, drag-inspired custom. The original ran a Twin Cam 103 on the old Softail frame; fully redesigned in 2018 with the Milwaukee-Eight on the new unified Softail platform. Discontinued in the US 2020–22, relaunched 2023 with the M8 117. Always defined by an oversized 240mm rear tyre and 21-inch front wheel.

EngineTwin Cam 103B, air/oil-cooled V-Twin
Displacement1,690 cc (103 cu in)
Bore x Stroke98.4 mm x 111.1 mm
Compression Ratio9.7:1
Horsepower~68 HP (rear wheel, dyno)
Torque95.5 lb-ft (129 Nm) @ 3,000 rpm
Fuel SystemESPFI
Transmission6-speed Cruise Drive, wet clutch
DriveBelt (primary & final)
Front Wheel21 in, cast aluminium
Rear Wheel18 in, cast aluminium
Front Tyre130/60B21
Rear Tyre240/40R18
Front Suspension41 mm telescopic fork
Rear SuspensionMono-shock, coil-over, concealed
Front BrakeSingle 300 mm disc, 4-piston caliper
Rear BrakeSingle 292 mm disc, 2-piston caliper
Wheelbase1,695 mm (66.7 in)
Seat Height660 mm (26.0 in)
Wet Weight~305 kg (672 lb)
Fuel Tank18.9 L (5.0 gal)
Rake / Trail34 deg / 145 mm
ABSOptional
Notes & conventions
  • •HP is measured at the rear wheel unless marked "crank" or "claimed". Factory crank HP runs 10–15% higher than dyno rear-wheel HP.
  • •Harley-Davidson traditionally did not publish HP figures for Twin Cam models — pre-2017 HP values are from independent dyno tests.
  • •Torque figures are typically factory-claimed (crank); rear-wheel torque is roughly 10–15% lower.
  • •M8 = Milwaukee-Eight engine family. TC = Twin Cam. ESPFI = Electronic Sequential Port Fuel Injection.
  • •C-ABS / C-TCS / C-DSCS = Cornering-enhanced ABS / Traction Control / Drag-torque Slip Control. TPMS = Tyre Pressure Monitoring.

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