2012 Harley-Davidson FLHR Road King Parts & Accessories
Touring
Touring (2009-2013)
1,166 parts available
293 Performance
198 Maintenance
675 Accessories
2012 Harley-Davidson FLHR Road King
About the 2012 Harley-Davidson FLHR Road King
The 2012 Road King is a classic touring motorcycle that blends nostalgic cruiser styling with long-haul capability. This model year is significant as it marked the first time the Twin Cam 103 engine became standard equipment for the base FLHR, replacing the previous 96 cubic inch motor. It retains the robust 2009-generation chassis, featuring a single-spar frame and a wide 180mm rear tire for improved stability and handling.
What Makes This Trim Special
- Twin Cam 103 Engine — Standardized for 2012; previously an upgrade or limited to higher trims.
- Saddlebags — Injection-molded hard saddlebags with 2.26 cu. ft. volume. (Street Glide)
- Wheels — Black 28-spoke Cast Aluminum wheels.
Likely but unverified:
- Cruise Control — Electronic cruise control was a factory option for the FLHR but standard on the FLHRC (Classic).
- Tubeless Laced Wheels — A new 'tubeless' Chrome Aluminum Profile Laced wheel was introduced as an option for 2012.
Key Specifications
| Engine |
Air-cooled Twin Cam 103™ with Integrated Oil-Cooler Features Automatic Compression Release (ACR) for easier starting. |
| Displacement | 1690cc (103 cu in) |
| Fuel System | Electronic Sequential Port Fuel Injection (ESPFI) |
| Cooling | Air-cooled |
| Transmission |
6-Speed Cruise Drive® Includes Isolated Drive System (IDS) to reduce noise and vibration. |
| Drivetrain | Belt final drive; Chain primary |
| Front Suspension | 41.3 mm telescopic forks |
| Rear Suspension | Air-adjustable shocks |
| Front Brakes |
Brembo® 4-piston dual floating rotors ABS was an available factory option, not standard. |
| Rear Brakes | Brembo® 4-piston single fixed rotor |
| Front Tire | 130/80B17 65H |
| Rear Tire | 180/65B16 81H |
| Weight | 812 lbs (Running Order) |
| Seat Height | 26.5 in (Laden) |
| Fuel Capacity | 6.0 gal |
Ownership at a Glance
What to know about maintaining a 2012 Harley-Davidson FLHR Road King
Maintenance
Wear Items
Upgrades
- Stage 1 Kit
- Manual Primary Tensioner
Replacements
- Compensator
- Stator/Regulator Connectors
Known Issues 3
Top reported problems from owners and mechanics
High
Primary Chain Over-tensioning
The automatic primary chain tensioner can ratchet too tight, putting excessive load on the inner primary bearing and transmission race.
Medium
Compensator Failure
Springs in the primary compensator lose tension, resulting in hard starting and knocking noises.
Low
Inaccurate Fuel Gauge
The fuel level float/sender unit often fails or provides erratic readings, showing 'empty' prematurely.
Parts Most Owners Need
Performance Upgrades 293
Fits
Fits
Moose Racing
All Balls Racing Fork Oil and Dust Seal Kits
$117.95 - $133.95
2 of 127 options fit
In Stock
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Arlen Ness
Arlen Ness Inverted, Method, Clear Tear and Sidekick Air Cleaner Replacement Components
$24.95 - $58.95
5 of 20 options fit
In Stock
Fits
Arlen Ness
Arlen Ness Monster Sucker and Velocity Air Cleaner Replacement Hardware Kit
$66.95
In Stock
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Maintenance Parts 198
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Moose Racing
All Balls Racing Wheel Bearing and Seal Kits
$24.95 - $84.95
4 of 197 options fit
In Stock
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Alloy Art
Alloy Art Mfg. Multi Rear Brake Caliper Mount
$797.95 - $850.95
4 of 4 options fit
In Stock
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Arlen Ness
Arlen Ness Big Sucker Air Filter Kits for Twin Cam and XL
$334.95
1 of 20 options fit
In Stock
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Arlen Ness Big Sucker™ Stage I Air Filter Kits with Cover for Twin Cam & XL
$414.95
4 of 14 options fit
In Stock
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Accessories 675
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Arlen Ness
Arlen Ness Adjustable Driver and Passenger Floorboards
$624.95 - $889.95
2 of 6 options fit
In Stock
Frequently Asked Questions About the 2012 Harley-Davidson FLHR Road King
Yes, it features Electronic Sequential Port Fuel Injection (ESPFI) as standard equipment.
Yes, 2012 was the first year the Twin Cam 103™ engine became standard for the base Road King (FLHR).
ABS was an optional feature in 2012, often bundled in the 'Security Package'. Check for the ABS sensor wire on the front brake calipers.
The base FLHR has hard saddlebags and cast wheels, while the FLHRC (Classic) features leather-wrapped hard bags, spoked wheels with whitewall tires, and standard cruise control.
The engine takes approximately 4.0 quarts (3.8 liters) with a filter change.
A loud clunk or bang on startup is a classic symptom of a worn compensator sprocket in the primary drive.
Yes, because it uses Electronic Throttle Control (fly-by-wire), adding cruise control is a relatively simple plug-and-play dealer-installed kit.
With a 6-gallon tank and roughly 42 mpg, the theoretical range is about 250 miles, though most riders fuel up around 200 miles.
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