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You are here: Home --- 2006 Models --- 2006 Harley-Davidson FLHRS/I Road King Custom

2006 Harley-Davidson FLHRS/I Road King Custom
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2006 Harley Davidson FLHRS/I Road King Custom
2006 Harley-Davidson FLHRS/I Road King Custom

2006 Harley Davidson FLHRS/I Road King Custom
2006 Harley-Davidson FLHRS/I Road King Custom


- 2006 Harley-Davidson FLHRS/I Road King Custom

The Road King® Custom arrives on the scene with the power and style of a traveling rock-and-roll show, drawing fans from all over. No one can resist a glimpse of the swept-back chrome visor atop pullback beach bars. It’s styling as only Harley-Davidson can push it. Clean leather bags with hidden supports and latches. Electro-formed, chromed metal fuel tank emblems. Streamlined floorboards and passenger pegs. Tank-mounted stretched chrome console. The sweet sounds of a Twin Cam 88® powertrain. And with the Custom’s smooth-riding, refined chassis and lowered air-adjustable rear suspension, this is definitely one show that always hits the road in style.

FLHRS/I Road King® Custom Model Overview
Lean and clean the FLHRS/I Road King Custom rolls with a cool attitude inspired by the California beach scene. A smooth front fender, swept-back chrome wind deflector and pull back Beach handlebars, and leather-covered smooth hard bags give the Road King Custom a streamlined, liquid profile. Low Profile rear suspension and a deep bucket seat combine for a seat height of just 26.1 inches, the lowest in the Touring family. Chrome Slotted Cast Alloy wheels, nickel-plated tank badges, bullet front and rear turn signals, streamlined rider footboards, passenger pegs and brake pedal, and a smooth chrome fuel tank console are exclusive custom features. Offered in eight solid, Sunglo and pearl colors for 2006.

FLHRS/I Road King Custom features:

Vibration-isolated, 1450cc Twin Cam 88 engine
Black powder-coated engine with chrome covers
New low-effort clutch
Clear-lens, reflector-optics headlight with chrome nacelle
Chrome wind deflector
Pull back Beach handlebars
Low 26.1-inch seat height
Nickel-plated Harley-Davidson tank emblem
Large, silver-faced speedometer in stretch chrome console
Cast and chrome slotted alloy wheels
Streamlined footboards, passenger pegs and brake pedal
Smooth leather-covered saddlebag with no visible saddlebag guards
Clean front and rear fenders
Slash-cut mufflers
Triple disc brakes
Low-profile, air-adjustable rear suspension
Cruise control-ready
New 50 amp/650 watt charging system



Length 93.7 in. (2380.0 mm)
Seat Height:
Laden2 26.1 in. (662.9 mm)
Unladen 27.1 in. (688.3 mm)
Ground Clearance 4.7 in. (119.4 mm)
Rake (steering head) 26°
Fork Angle 29.3°
Trail 6.2 in. (157.5 mm)
Wheelbase 63.5 in. (1612.9 mm)
Tires (Dunlop® Harley-Davidson Series, blackwall):
Front – D402F MT90B16 72H
Rear – D402 MU85B16 77H
Fuel Capacity3 (includes 1.0-gallon reserve) 5.0 gal. (18.9 L)
Reserve Fuel Capacity 1.0 gal. (3.8 L)
(warning light at approx. 1.0 gal. for ESPFI models)
Oil Capacity 4.0 qts. (3.8 L)
Dry Weight 721 lbs. (327 kg)
Vehicle Weight in Running Order 752 lbs. (341 kg)
Gross Vehicle Weight Rating 1259 lbs. (572 kg)


Engine (vibration isolation-mounted) Air-cooled, Twin Cam 88®
Valves Pushrod-operated, overhead valves w/hydraulic,
self-adjusting lifters; two valves per cylinder
Bore x Stroke 3.75 in. x 4.00 in. (95.18mm x 101.52 mm)
Displacement 88 cu. in. (1450 cu. cm)
Compression Ratio 8.9:1
Fuel System4 Carburetor or Electronic Sequential
Port Fuel Injection (ESPFI)


Primary Drive Chain, 36/25 ratio
Final Drive Belt, 32/70 ratio
Clutch 9-plate, wet
Transmission 5-speed
Overall Ratio:
1st 10.110
2nd 6.958
3rd 4.953
4th 3.862
5th 3.150


Frame Mild steel, square-section
backbone w/twin downtubes
Swingarm Mild steel, rectangular tube sections,
stamped junctions, MIG welded
Front Fork 41.3 mm telescopic
Rear Shocks Short, air-adjustable
Wheels5 (Chrome Aluminum Profi le Laced option): Chrome, cast slotted disc
Front 16 in. x 3.0 in. (406.4 mm x 76.2 mm)
Rear 16 in. x 3.0 in. (406.4 mm x 76.2 mm)
Caliper Type 4-piston front and rear
Rotor Type (diameter x width): Patented, uniform expansion rotors
Front (dual) 11.5 in. x .20 in. (292.1 mm x 5.08 mm)
Rear 11.5 in. x .23 in. (292.1 mm x 5.84 mm)
Suspension Travel:
Front Wheel 4.6 in. (116.8 mm)
Rear Wheel 2.0 in. (50.8 mm)


Engine Torque (per SAE J607)6:
North America 86 ft. lbs. @ 3500 rpm (117 NM @ 3500 rpm)
Lean Angle (per SAE J1168): Right: 31° Left: 30°
MPG (EPA urban/highway test)7: Carbureted: 37/46 mpg (6.4/5.1 L/100 km)
ESPFI: 39/46 mpg (6.0/5.1 L/100 km)


Battery Sealed, maintenance-free, 12V, 28-amp/hour,
270 cca (per Battery Council International Rating)
Charging Three-phase, 50-amp system
(585W @ 13V, 2000 rpm, 650W max power @ 13V)
Starting 1.2 kW electric w/solenoid shift starter motor engagement
Lights (as per country regulation):
Headlamp (quartz halogen) 55-watt low beam, 60-watt high beam
Tail/Stop Lights 8W/28W (5W/21W)
Turn Signal Lights 28W (21W) self-canceling
Indicator Lamps High beam, neutral, low oil pressure,
engine diagnostics, turn signals,
security system8 (optional)


Engine Trim Black powder-coated w/chrome treatment
Exhaust System Chrome, cross-over duals
Handlebars Chrome, pull-back beach bar
Seat Two-up
Footboards Streamliner
Windshield Mini chrome wind defl ector
Brake and Shift Levers Heel/toe
Instruments Electronic speedometer w/odometer,
and resettable tripmeter, diagnostic readout,
fuel gauge w/low fuel light
Cruise Control Wired to accept cruise control
Handlebar Controls Start, engine cutoff, left/right
turn signals, horn, hi/low beam
Hazard Warning Integrated into turn signal controls
Electrical Power Outlet Accessory connector under seat
Saddlebags Leather hard bags volume: 1.85 cu.ft. (52.4 L)
Luggage Locks Available Genuine Motor Parts & Accessories
Fork Lock Standard fork-top


Vivid Black, Black Cherry Pearl, Black Pearl, Deep Cobalt Pearl,
Glacier White Pearl, Rich Sunglo Blue, Yellow Pearl, Brandy Wine Sunglo


Warranty10 24 months (unlimited mileage)
Service Interval First 1,000 miles (1,600 km), every
5,000 miles (8,000 km) thereafter11


1 Harley-Davidson reserves the right to discontinue models or change specifications at any
time without incurring any obligations. Vehicle specifications may vary from country to
country depending on local laws. Some models are not available in certain countries.
2 Measurement reflects 180 lb. (81.7 kg) operator weight.
3 Includes reserve on carburetor-equipped models.
4 Recommended 91 octane or higher fuel (R+M)/2 (87 octane or higher for XL883 models).
5 Standard and optional wheels may vary by country and region.
6 Values shown are nominal. Performance varies by country.
7 Based on tests conducted under ideal lab conditions per U.S. EPA test procedures. Your
mileage will vary depending on your personal riding habits, weather conditions, trip length,
vehicle conditions, and vehicle configuration. Break-in mileage will vary.
8 North American security system includes immobilizer; outside North America the security
system includes immobilizer and siren.
9 Availability may vary from dealer to dealer, and is subject to change without notice.
10 See motorcycle owner’s manual for complete details.
11 Inspections of certain systems and components are required at 2,500 mile (4,000 km) intervals.