These are the known mechanical and performance specifications for your 2007 Factory Bike Desert YR50-2.
Basic Specs

Engine
Displacement49.70 ccm (3.03 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression12.0:1
Bore/Stroke40.3 x 39.0 mm (1.6 x 1.5 inches)
Valves/Cylinder
FuelingCarburettor. Dell’Orto PHBN
IgnitionElectronic
Exhaust
Lubrication
CoolingLiquid
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity7.50 litres (1.98 gallons)
Emissions
Chassis
Frame TypeHardened Steel CrMo. Bolt-on rear section
Rake
Trail
Front SuspensionPAIOLI hydraulic fork 36 mm
Front Travel
Rear SuspensionPAIOLI shock absorber
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height1,220 mm (48.0 inches)
Total Length2,070 mm (81.5 inches)
Total Width810 mm (31.9 inches)
Ground Clearance
Wheelbase
Dry Weight81.5 kg (179.7 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre90/90-21
Rear Tire/Tyre110/80-18
Front BrakesSingle disc
Front Brake Diameter240 mm (9.4 inches)
Rear BrakesSingle disc
Rear Brake Diameter220 mm (8.7 inches)
Wheels
Comments
Minarelli AM6 engine