What category is the 2007 PRC (pro Racing Cycles) LX-RR Works?

The 2007 PRC (pro Racing Cycles) LX-RR Works has a Category of Cross / motocross.

What is the engine size of the 2007 PRC (pro Racing Cycles) LX-RR Works?

The 2007 PRC (pro Racing Cycles) LX-RR Works has a Capacity: of 49.50 ccm (3.02 cubic inches).

What type of engine does the 2007 PRC (pro Racing Cycles) LX-RR Works have?

The 2007 PRC (pro Racing Cycles) LX-RR Works has a Engine type of Single cylinder.

What is the engine power of the 2007 PRC (pro Racing Cycles) LX-RR Works?

The 2007 PRC (pro Racing Cycles) LX-RR Works has a Power of 13.50.

What is the torque of the 2007 PRC (pro Racing Cycles) LX-RR Works?

The 2007 PRC (pro Racing Cycles) LX-RR Works has a Torque of 8.20.

Is the 2007 PRC (pro Racing Cycles) LX-RR Works air cooled or liquid cooled?

The 2007 PRC (pro Racing Cycles) LX-RR Works has a Cooling system of Liquid.

How many gears does the 2007 PRC (pro Racing Cycles) LX-RR Works have?

The 2007 PRC (pro Racing Cycles) LX-RR Works has a Gearbox of Automatic.

How much does the 2007 PRC (pro Racing Cycles) LX-RR Works weigh?

The 2007 PRC (pro Racing Cycles) LX-RR Works has a Dry weight of 36.0 kg (79.4 pounds).

What is the seat height of the 2007 PRC (pro Racing Cycles) LX-RR Works?

The 2007 PRC (pro Racing Cycles) LX-RR Works has a Seat height of 660 mm (26.0 inches) If adjustable, lowest setting..

What is the top speed of the 2007 PRC (pro Racing Cycles) LX-RR Works?

The 2007 PRC (pro Racing Cycles) LX-RR Works has a Top speed of 80.5 km/h (50.0 mph).

PRC (pro Racing Cycles) LX-RR Works - 2007 Specifications and Reviews

Name: 2007 PRC (pro Racing Cycles) LX-RR Works
Brand: PRC (Pro Racing Cycles)

The 2007 PRC LX-RR Works is a lightweight 50cc motocross bike designed for young riders and beginners entering competitive racing. Its compact single-cylinder engine delivers sharp throttle response and manageable power, while the progressive CDI ignition ensures reliable performance across the RPM range. Best suited for grassroots motocross competition and training programs.

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Engine and Transmission Specifications
Clutch	One Disk Racing clutch
Transmission typefinal drive	Chain
Gearbox	Automatic
Cooling system	Liquid
Starter	Kick
Ignition	Progressive CDI
Fuel control	Port control
Fuel system	Carburettor. PRC 19MM
Bore x stroke	39.5 x 40.0 mm (1.6 x 1.6 inches)
Compression	13.5:1
Max RPM	14800
Torque	8.20
Power	13.50
Stroke	2
Engine type	Single cylinder
Capacity:	49.50 ccm (3.02 cubic inches)
Physical measures and capacities
Wheelbase	1,016 mm (40.0 inches)
Ground clearance	279 mm (11.0 inches)
Overall width	787 mm (31.0 inches)
Overall length	1,346 mm (53.0 inches)
Overall height	914 mm (36.0 inches)
Seat height	660 mm (26.0 inches) If adjustable, lowest setting.
Dry weight	36.0 kg (79.4 pounds)

PRC (pro Racing Cycles) LX-RR Works dimensions and frame
Rear brakes diameter	140 mm (5.5 inches)
Rear brakes	Single disc
Front brakes diameter	160 mm (6.3 inches)
Front brakes	Single disc
Rear tyre dimensions	3.0-10
Front tyre dimensions	100/90-12
Rear suspension	Olins 36DPW
Front suspension	Marzocchi 35mm Inverted Shiver Forks
Trail	125 mm (4.9 inches)
Rake (fork angle)	26.0°
Frame type	Youth group Aluminum Frame, with tapered roller bearing in the front stem
Speed and acceleration
Power/weight ratio	0.3750 HP/kg
Top speed	80.5 km/h (50.0 mph)

Category	Cross / motocross
Year	2007
Model	PRC (Pro Racing Cycles) LX-RR Works
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

13.5 hp

Peak Power

50 mph

Top Speed

Best For

Track70%

City5%

Cornering80%

Daily Riding5%

Touring5%

Passenger0%

Rider Profile

Best For	This is a youth/junior motocross machine, built for developing young riders rather than adults, so experience requirements are about race-craft fundamentals rather than raw bike control.
Purpose	Designed purely for competitive youth motocross racing on small-scale tracks, not for transportation or leisure riding of any kind.
Rider Fit	Its tiny 660mm seat height, 36kg dry weight, and compact dimensions mean it is sized specifically for a small, lightweight young rider, not an adult.
Character	A high-strung, high-RPM 50cc two-stroke race tool with premium suspension components (Marzocchi and Olins) that punches well above its class in handling precision despite minimal top speed.
Not Ideal For	This bike is not suitable for adult riders, road use, touring, commuting, or carrying a passenger under any circumstance.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2007 PRC (Pro Racing Cycles) PRC (pro Racing Cycles) LX-RR Works Rider Ergonomics Assessment

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Inseam (optional)

Units

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Feet:

At 660mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2007 PRC (Pro Racing Cycles) PRC (pro Racing Cycles) LX-RR Works, with a cramped knee angle of around 55 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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