Harley Davidson FLHRSI Road King (2006)

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The Harley Davidson FLHRS/I Road King Custom is a motorcycle with a four-stroke, 45-degree V-twin engine and a twin cam 88 (R) vibration isolation-mounted valves. It has a capacity of 1449cc and a compression ratio of 8.9:1. The bike’s lubrication is dry sump, and it has a carburetor induction with 40mm constant velocity and an accelerator pump. It also has electronic sequential port fuel injection with a 38mm throttle bore for ESPFI. The bike has a single-fire, non-wasted, map-controlled spark ignition and an electric start. The motorcycle has a maximum power of 67 hp and 48.8 kW at 5200 rpm, and the maximum torque is 116.6 Nm or 86 lb-ft at 3500 rpm. The transmission has five speeds, and the final drive is a belt. The frame is made of mild steel, and the swing arm is also made of mild steel with rectangular tube sections. The front suspension is 41.3mm telescopic, and the rear suspension is short and air-adjustable. The front and rear brakes are single and double discs, respectively, with four-piston calipers. The motorcycle’s dimensions include a wheelbase of 1613mm, a seat height of 718.8mm, and a ground clearance of 119.4mm. The bike weighs 327kg when dry and 344kg when wet, with a fuel capacity of 19 litres.

Technical specifications:

Make Model: Harley Davidson FLHRS/I Road King Custom

Year: 2006


Engine: Four stroke, 45 degrees V-Twin, Twin Cam 88 (R) vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder
Capacity: 1449 cc / 88.4 cu-in
Bore x Stroke: 95.3 x 101.6 mm
Cooling System: Air cooled
Compression Ratio: 8.9:1
Lubrication: Dry sump, internally mounted, crank driven gerotor pressure and dual scavenge pump with spin on 10~Anot pressurized oil filter
Induction: Carburetion 40 mm constant velocity with enrichener and accelerator pump ESPFI 38 mm throttle bore electronic sequential port fuel injection
Ignition: Single-fire, non-wasted, map-controlled spark ignition
Starting: Electric
Max Power: 67 hp / 48.8 kW @ 5200 rpm
Max Torque: 116.6 Nm / 86 lb-ft @ 3500rpm
Transmission: 5 Speed
Final Drive: Belt
Gear 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 Swing Arm Mild steel, rectangular tube sections, stamped junctions, MIG welded

Front Suspension: 41.3 mm, telescopic
Rear Suspension: Short, air-adjustable
Front Brakes: 2x 292mm discs 4 piston calipers
Rear Brakes: Single 292mm disc 4 piston caliper
Front Tyre: D402F MT90B16 72H
Rear Tyre: D402 MU85B16 77H
Rake: 26 degrees
Trail: 157.5 mm / 6.2 in
Wheelbase: 1613 mm / 63.5 in
Seat Height: 718.8 mm / 28.3 in
Ground Clearance: 119.4 mm / 4.7 in
Dry Weight: 327 kg / 721 lbs
Wet Weight: 344 kg / 757 lbs
Fuel Capacity: 19 Litres / 5.0 US gal

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