The 2012–2013 Harley-Davidson Touring Twin Cam 103 (FLHRC Road King Classic) represents a significant era for one of the manufacturer’s most iconic heavyweight cruisers. For these model years, Harley-Davidson made its larger, more powerful Twin Cam 103 engine standard across its Touring family, including the venerable Road King. This move provided riders with a notable increase in performance and refinement directly from the factory, elevating the long-haul capability and riding satisfaction of this classically styled motorcycle. The FLHRC Road King Classic, with its distinctive nostalgic features, became a prime beneficiary of this powertrain upgrade, blending timeless aesthetics with enhanced modern muscle.
Development and Upgrades
For the 2012 model year, Harley-Davidson streamlined its engine offerings for the Touring line. The previously standard Twin Cam 96 engine was replaced by the Twin Cam 103 as the base powerplant. This change addressed rider demand for more torque and power, especially for a motorcycle designed for two-up riding and luggage-laden journeys.
The Standard Twin Cam 103 Engine
The most crucial upgrade for the 2012–2013 Harley-Davidson Touring Twin Cam 103 (FLHRC Road King Classic) was the engine itself. The Twin Cam 103 features a displacement of 103.1 cubic inches (1690 cc), an increase from the 96 cubic inches (1584 cc) of its predecessor.
This increase in displacement resulted in a tangible boost in performance. The Twin Cam 103 produced a factory-rated peak torque of approximately 100 ft-lb at 3,500 RPM, a noticeable improvement over the Twin Cam 96’s roughly 93 ft-lb. This enhanced torque is felt most during roll-on acceleration, making highway passing and climbing hills smoother and requiring fewer downshifts. The engine retained its classic 45-degree V-twin architecture, air-cooling, and was paired with the six-speed Cruise Drive transmission, which provided relaxed RPMs at highway speeds.
Chassis and Touring Features
The 2012-2013 models were built on the robust touring frame that Harley-Davidson had introduced in 2009. This single-spar, rigid backbone frame was designed to increase load capacity and improve handling confidence.
Key chassis and handling components included:
Braking System: The bikes were equipped with Brembo 4-piston calipers for both the front and rear, providing strong and reliable stopping power. An Anti-lock Braking System (ABS) was available as a factory-installed option.
Suspension: The front featured beefy 41.3 mm telescopic forks. The rear suspension consisted of air-adjustable shock absorbers, allowing the rider to easily tune the preload based on the weight of a passenger or luggage, a critical feature for a touring machine.
* Wheels and Tires: True to its “Classic” designation, the FLHRC model came standard with steel-laced wheels and wide whitewall tires, reinforcing its vintage appeal.
Design and Ergonomics
The Road King Classic maintains a design deeply rooted in Harley-Davidson heritage. Its profile is defined by the large, quick-detach Hiawatha headlamp and nacelle, a wide, comfortable touring saddle, and full-coverage fenders. The riding position is upright and commanding, with a large-diameter handlebar and full-length rider footboards contributing to all-day comfort.
The FLHRC model is distinguished from the standard Road King (FLHR) primarily by its styling elements. It features beautiful leather-wrapped, hard-shell saddlebags that offer ample storage while retaining a traditional look. This is in contrast to the painted hard-shell saddlebags found on other touring models. The fuel tank holds six gallons, providing substantial range between stops, and features a classic console with an analog speedometer.
Specifications Table: 2012-2013 FLHRC Road King Classic
| General | |
| Brand | Harley-Davidson |
| Model | Road King Classic |
| Model Class | FLHRC |
| Model Year | 2012–2013 |
| Type | Touring |
| Maximum mass (GVWR) | 1360 lb. (617 kg) |
| Maximum passengers | 2 |
| Performance | |
| Max. power | (Not officially published by H-D, estimated ~75 Hp) |
| Max. torque | 100 ft-lb (135 N•m) / 3500 RPM |
| Top designed speed | ~110 mph (177 km/h) |
| Size | |
| Length | 94.2 in. (2393 mm) |
| Width | 37.5 in. (953 mm) |
| Height | 57.3 in. (1455 mm) |
| Wheelbase | 64 in. (1625 mm) |
| Seat height (unladen) | 29.5 in. (749 mm) |
| Ground clearance | 5.1 in. (130 mm) |
| Curb weight (in running order) | 811 lb. (368 kg) |
| Engine | |
| Type | Air-cooled, Twin Cam 103™ with Integrated Oil Cooler |
| Displacement | 103.1 cu in (1690 cc) |
| Bore × Stroke | 3.875 in. × 4.375 in. (98.4 mm × 111.1 mm) |
| Compression ratio | 9.6:1 |
| Starting system | Electric starter |
| Fuel supplying system | Electronic Sequential Port Fuel Injection (ESPFI) |
| Ignition control system | Electronic |
| Lubricating system | Pressurized, dry-sump with oil cooler |
| Oil capacity | 4 qt (3.8 L) |
| Engine oil type | SAE 20W-50 Harley-Davidson H-D 360 Motorcycle Oil |
| Transmission | |
| Transmission type | 6-speed Cruise Drive®, manual gear shift |
| Clutch type | Wet, multi-disc, manual |
| Driving system | Belt drive |
| Primary reduction ratio | 1.353 (34/46) |
| Final reduction ratio | 2.125 (32/68) |
| Gear ratio | 1st: 9.593; 2nd: 6.650; 3rd: 4.938; 4th: 4.000; 5th: 3.407; 6th: 2.875 |
| Chassis | |
| Tire size | Front: MT90B16 72H (WWW); Rear: MU85B16 77H (WWW) |
| Rim size | Front: 16 in. Chrome Laced Steel; Rear: 16 in. Chrome Laced Steel |
| Capacity of fuel tank | 6 gal (22.7 L) |
| Fuel consumption | Combined City/Hwy: 42 mpg (5.6 L / 100 km) |
| Electric | |
| Battery | 12V / 28 Ah, sealed, maintenance-free |
| Headlight | Halogen 55W low beam, 60W high beam |
| Tail light | Incandescent bulb |
| Shock Absorbers | |
| Front suspension | 41.3 mm telescopic fork |
| Front travel | 4.6 in (117 mm) |
| Rear suspension | Air-adjustable shock absorbers |
| Rear travel | 3 in (76 mm) |


