These are the known mechanical and performance specifications for your 2004 Factory Bike Desert YR 250.
Basic Specs
Engine
Displacement249.80 ccm (15.24 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression12.0:1
Bore/Stroke67.5 x 69.8 mm (2.7 x 2.7 inches)
Valves/Cylinder
FuelingCarburettor
Ignition
Exhaust
Lubrication
CoolingLiquid
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity9.50 litres (2.51 gallons)
Emissions
Chassis
Frame TypeDesmontabled hardened steel CrMo.
Rake
Trail
Front SuspensionMarzocci Hydraulic, 50 mm
Front Travel
Rear SuspensionOhlins shock absorber
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height1,180 mm (46.5 inches)
Total Length2,230 mm (87.8 inches)
Total Width815 mm (32.1 inches)
Ground Clearance
Wheelbase1,370 mm (53.9 inches)
Dry Weight
Wet Weight103.0 kg (227.1 pounds)
Wheels & Brakes
Front Tire/Tyre90/90-21
Rear Tire/Tyre140/80-18
Front BrakesSingle disc
Front Brake Diameter260 mm (10.2 inches)
Rear BrakesSingle disc
Rear Brake Diameter220 mm (8.7 inches)
Wheels
Comments
Spanish made. Rotax motor. The Desert YR250 is termed a racing off-road bike.