Positioned in Harley-Davidson's touring motorcycle lineup, the 2008 Harley-Davidson PLHP Road King Police utilizes a 1688 cc (103 cu in) air-cooled v2, four-stroke layout. In factory specification, maximum torque reaches 138.3 Nm (102 lb-ft) at 2,500 rpm, transferring power to the rear wheel through a 6-speed gearbox and belt final drive. Internal engine geometry specifies a bore and stroke of 98.6 x 111.3 mm (3.9 x 4.4 inches) with a 9.6:1 compression ratio.
On the scales, the PLHP Road King Police measures 335.2 kg (739 lbs) dry. Rider ergonomics and chassis geometry center around a 693 mm (27.3 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,613 mm (63.5 in) wheelbase engineered for planted straight-line stability. The 22.71-liter (6 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Standover Height
693 mm (27.3 in)
Engine
Displacement1688.0 ccm (103.00 cubic inches)
Engine TypeV2, four-stroke
Engine DetailsV2, four-stroke
Torque138.3 Nm (14.1 kgf-m or 102.0 ft.lbs) @ 2500 RPM
Compression9.6:1
Bore x Stroke98.6 x 111.3 mm (3.9 x 4.4 inches)
Fuel SystemInjection. Electronic Sequential Port Fuel Injection (ESPFI)
CoolingAir
Transmission
Gearbox6-speed
Final DriveBelt (final drive)
Clutch9-plate, wet
Performance
ExhaustChrome, cross-over duals
Chassis
Front Suspension41.3 mm telescopic fork
Front Travel117 mm (4.6 inches)
Rear SuspensionAir adjustable shocks
Rear Travel76 mm (3.0 inches)
Wheelbase1613 mm (63.5 inches)
Ground Clearance130 mm (5.1 inches)
Wheels & Brakes
Front TyreMT90-B16
Rear TyreMT90-B16
Front BrakesDouble disc. 4-piston calipers
Front Brake Ø300 mm (11.8 inches)
Rear BrakesSingle disc
Rear Brake Ø300 mm (11.8 inches)
Dimensions & Weight
Dry Weight335.2 kg (739.0 pounds)
Seat Height693 mm (27.3 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
