2023 Harley-Davidson Fat Boy 114 vs 2025 BMW R 12G/S

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2023 Harley-Davidson Fat Boy 114 2023 Harley-Davidson Fat Boy 114

Custom / cruiser

Engine
V2, four-stroke
Power
N/A
Top Speed
N/A
Weight
699.0 pounds
2025 BMW R 12G/S 2025 BMW R 12G/S

Custom / cruiser

Engine
Four stroke, two cylinder horizontally opposed Boxer, with four camshaft-operated valves and two overhead camshafts per cylinder.
Power
81 kW / 109 hp @ 7000 rpm
Top Speed
N/A
Weight
229 kg / 505 lbs
Full Specifications
General
CommentsSecurity system. Cruise control.-
Year-2025
ColoursVivid Black, Bright Billiard Blue, Gray Haze/Silver Fortune, Heirloom Red Fade-
Make Model-BMW R 12G/S
Dimensions
Wheelbase (mm)1666 mm-
Wheelbase (in.)65.6 inches-
Seat Height (mm)658 mm-
Seat Height (in.)25.9 inches-
Ground Clearance (in.)4.5 inches-
Ground Clearance (mm)114 mm-
Length (in.)93.3 inches-
Length (mm)2370 mm-
Seat Height658 mm / 25.9 in.860 mm / 33.9 in (875 mm / 34.4 in Enduro Package)
Wheelbase1666 mm / 65.6 in.1580 mm / 62.2 in (1585 / 62.4 in Enduro Package)
Length2370 mm / 93.3 in.2200 mm / 86.6 in
Width-830 mm / 32.7 in
Weights & Capacities
Fuel Capacity (l)18.93 litres-
Fuel Capacity (gal.)5.00 US gallons-
Wet Weight (kg)317.1 kg229
Dry Weight (kg)304.4-
Oil Capacity (l)4.70 litres-
Oil Capacity (Quarts)4.97 US quarts-
Wet Weight (lbs.)699.0 pounds-
Dry Weight (lbs.)671.0 pounds-
Dry Weight304.4 kg / 671.0 lbs-
Fuel Capacity18.93 litres / 5.00 US gallons15.5 Litres / 4.1 US gal
Wet Weight317.1 kg / 699.0 lbs229 kg / 505 lbs
Performance
Max Power-81 kW / 109 hp @ 7000 rpm
Max Torque161.4 Nm (16.5 kgf-m or 119.0 ft.lbs) @ 3000 Revolutions"115 Nm / 81 lb-ft @ 6500 rpm
Power-to-Weight Ratio0.3088 HP/kg-
Engine
Bore x Stroke (in,)4.0 x 4.5 inches-
Bore x Stroke (mm)102.0 x 114.0 mm-
CO2116.0 CO2 g/km. (CO2 - Carbon dioxide emission)-
Displacement (cc)1868.0 cc-
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)-
Engine TypeV2, four-stroke-
Displacement (ci)113.99 cubic inches-
Displacement-1170 cc / 71.4 cub in
Engine DetailMilwaukee-Eight® 114Four stroke, two cylinder horizontally opposed Boxer, with four camshaft-operated valves and two overhead camshafts per cylinder.
Fuel SystemInjection. Electronic Sequential Port Fuel Injection-
Bore x Stroke-101 x 73 mm
Compression Ratio10.5:112:1
Cooling System-Air/oil cooled
Emissions-Controlled 3-way catalytic converter, exhaust emission standards EU-5+
Exhaust2-into-2 staggered, catalyst in muffler-
Fuel Consumption5.00 litres/100 km (20.0 km/l or 47.04 mpg)-
Fuel Induction-Electronic intake pipe injection / digital engine management system: BMS-O with throttle-by-wire
Fuel Type-Unleaded super (premium), octane number 95-98 (RON) (rated output at 98 RON)
Lubrication-Wet sump
StarterElectricElectric
Drivetrain
ClutchMulti-plate with diaphragm spring in oil bathSingle dry plate clutch, hydraulically operated
Final DriveBelt   (final drive)Universal shaft
Gear Ratios-1st = 2.375, 2nd = 1.696, 3rd = 1.296, 4th = 1.065, 5th = 0.939, 6th = 0.848
Gearbox6-speed-
Primary Drive34/46 ratio primary-
Primary Drive Ratios-1.737
Transmission / Drive-6-Speed, claw-shifted transmission with separate transmission housing
Chassis
Trail (mm)104 mm-
Trail (in.)4.1 inches-
Frame Type-Four-part frame concept with front frame and three-part rear frame, load-bearing engine-gearbox unit, rear-seat frame removeable for one-up riding
Suspension - FrontDual-bending valve 49 mm telescopic with aluminum fork triple clamps; dual rate spring; ´beer can´ covers45 mm USD telescopic forks, spring base, rebound and compression damping adjustable
Suspension - RearHidden, free piston, coil-over monoshock; 43mm stroke; toolless hydraulic preload adjustmentAluminum Paralever swinging arm, directly linked WAD spring strut, spring base, rebound and compression damping adjustable
Rake30.0°-
Steering Head Angle-63.1° (63.2° Enduro Package)
Trail104 mm / 4.1 in.120.8 mm / 4.76 in (121.3 / 4.76 Enduro Package)
Wheel Travel - Front-210 mm / 8.3 in
Wheel Travel - Rear-200 mm / 7.9 in
Electrical Systems
Instrumentation5-inch analog speedometer with digital gear, odometer, fuel level, clock, trip, range and tachometer indication-
Lighting systemAll LED-
Wheels & Brakes
Brakes - FrontDouble disc. Optional ABS. 4-piston.2 x 310mm disc brake, with two axially bolted 2-piston floating calipers
Brakes - RearSingle disc. Optional ABS. 2-piston.Single 265 mm disc, 2 piston floating caliper
ABS-BMW Motorrad ABS Pro (lean angle optimised)
RimsMachined, Lakester cast aluminum wheels. Michelin® Scorcher® ´11´ tires.-
Rims - Front-2.15 x 21
Rims - Rear-4.0 x 17 (4.0 x 18 Enduro Package)
Tyres - Front160/60-R1890/90/21
Tyres - Rear-150/70 - R17 (150/70 - R18 Enduro Package)
Wheels-Aluminium cross-spoke wheels