CH Racing CH 511 Racing Big Wheels - 2009 Specifications and Reviews

The 2009 CH Racing CH 511 Racing Big Wheels is a lightweight 50cc minibike designed for young riders and beginners seeking an affordable entry into motorcycle racing and off-road riding. Powered by a simple air-cooled single-cylinder engine with 8 horsepower, it delivers nimble handling and easy maintenance through its kickstart ignition system. Known for its approachable performance and compact dimensions, this machine is best suited for novice competitors and casual recreational riding on closed courses.

2009
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Engine and Transmission Specifications

Cooling systemAir
StarterKick
Fuel systemCarburettor. DELL´ORTO PHBG 14 MS
Power8.00
Stroke2
Engine typeSingle cylinder
Capacity:49.70 ccm (3.03 cubic inches)

Physical measures and capacities

Wheelbase1,100 mm (43.3 inches)
Ground clearance280 mm (11.0 inches)
Overall width630 mm (24.8 inches)
Overall length1,500 mm (59.1 inches)
Overall height940 mm (37.0 inches)
Seat height735 mm (28.9 inches) If adjustable, lowest setting.
Dry weight40.0 kg (88.2 pounds)

CH Racing CH 511 Racing Big Wheels dimensions and frame

Rear brakesExpanding brake (drum brake)
Front brakes diameter175 mm (6.9 inches)
Front brakesSingle disc
Rear tyre dimensions3.00-12
Front tyre dimensions2.50-14
Rear suspensionSingle shock absorber
Front suspensionTelescopic fork
Frame typeSteel
 
 

Speed and acceleration

Power/weight ratio0.2000 HP/kg

CategoryMinibike, cross
Year2009
ModelCH Racing CH 511 Racing Big Wheels
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity2.80 litres (0.74 gallons)

Performance Profile & Rider Fit

8 hp
Peak Power

Best For

Track45%
City15%
Cornering60%
Daily Riding10%
Touring5%
Passenger5%

Rider Profile

Best ForThis is a minibike best suited to young or novice riders, or experienced riders using it purely for pit-bike style fun.
PurposeBuilt as a small-wheeled minibike/cross machine for casual off-road play, pit lane use, and learning throttle and brake control.
Rider FitIts tiny 735mm seat height and 40kg dry weight make it extremely easy to handle for smaller or lighter riders, including kids and teens.
CharacterA lightweight, low-powered two-stroke automatic that prioritizes fun, simplicity, and flickable handling over outright performance.
Not Ideal ForIt is not suitable for adult daily commuting, highway travel, touring, or any rider expecting real speed or long-distance comfort.

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

Rider Reviews

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