2007 PRC (Pro Racing Cycles) LX-RR Works Technical Analysis & Specification Breakdown
Positioned in PRC (Pro Racing Cycles)'s cross - motocross motorcycle lineup, the 2007 PRC (Pro Racing Cycles) LX-RR Works utilizes a 49.5 cc (3 cu in) liquid-cooled single cylinder, two-stroke layout. In factory specification, peak output is rated at 13.5 HP (9.9 kW) at 14,000 rpm while maximum torque reaches 8.2 Nm (6 lb-ft) at 11,200 rpm, transferring power to the rear wheel through a automatic gearbox and chain final drive. Internal engine geometry specifies a bore and stroke of 39.5 x 40.0 mm (1.6 x 1.6 inches) with a 13.5:1 compression ratio.
On the scales, the LX-RR Works measures 36 kg (79 lbs) dry. Rider ergonomics and chassis geometry center around a 660 mm (26 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,016 mm (40 in) wheelbase engineered for quick, flickable steering geometry.
Within MotoLibrary's PRC (Pro Racing Cycles) archive, this model family spans 2 indexed model years from 2006 to 2007, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Power Band Window
11,200–14,000 rpm
Standover Height
660 mm (26 in)
Engine
Displacement49.5 ccm (3.02 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Power13.5 HP (9.9 kW)) @ 14000 RPM
Torque8.2 Nm (0.8 kgf-m or 6.0 ft.lbs) @ 11200 RPM
Compression13.5:1
Bore x Stroke39.5 x 40.0 mm (1.6 x 1.6 inches)
Fuel SystemCarburettor. PRC 19MM
Fuel ControlPort control
IgnitionProgressive CDI
CoolingLiquid
Max RPM14800
Transmission
GearboxAutomatic
Final DriveChain (final drive)
ClutchOne Disk Racing clutch
Performance
Top Speed80.5 km/h (50.0 mph)
Chassis
Frame TypeYouth group Aluminum Frame, with tapered roller bearing in the front stem
Rake26.0°
Trail125 mm (4.9 inches)
Front SuspensionMarzocchi 35mm Inverted Shiver Forks
Rear SuspensionOlins 36DPW
Wheelbase1016 mm (40.0 inches)
Ground Clearance279 mm (11.0 inches)
Wheels & Brakes
Front Tyre100/90-12
Rear Tyre3.0-10
Front BrakesSingle disc
Front Brake Ø160 mm (6.3 inches)
Rear BrakesSingle disc
Rear Brake Ø140 mm (5.5 inches)
Dimensions & Weight
Dry Weight36.0 kg (79.4 pounds)
Power/Weight0.3750 HP/kg
Seat Height660 mm (26.0 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.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
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.
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.