These are the known mechanical and performance specifications for your 2004 Beta Rev 80.
Basic Specs

Engine
Displacement79.60 ccm (4.86 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression14.7:1
Bore/Stroke48.0 x 44.0 mm (1.9 x 1.7 inches)
Valves/Cylinder
FuelingCarburettor
Ignition
Exhaust
Lubrication
CoolingLiquid
Chassis
Frame TypeDouble craded iron frame
Rake
Trail
Front SuspensionTube, Ø 33 mm
Front Travel160 mm (6.3 inches)
Rear SuspensionProgressive hydraulic mono shock absorber
Rear Travel146 mm (5.7 inches)
Seat
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase
Dry Weight
Wet Weight
Wheels & Brakes
Front Tire/Tyre
Rear Tire/Tyre
Front BrakesSingle disc
Front Brake Diameter
Rear BrakesSingle disc
Rear Brake Diameter
Wheels
Comments