These are the known mechanical and performance specifications for your 2011 Fischer MRX.
Basic Specs

Engine
Displacement647.00 ccm (39.48 cubic inches)
Type90 degree V-twin
DetailsV2, four-stroke
Max RPM
Compression11.5:1
Bore/Stroke81.6 x 62.0 mm (3.2 x 2.4 inches)
Valves/Cylinder4
FuelingCarburettor. 2 x Mikuni 39mm
IgnitionComputer-controlled digital with variable mapping
ExhaustDual-chamber stainless
Lubrication
CoolingLiquid
Drivetrain
Gearbox6-speed
Final DriveChain
Clutch
Driveline525 Regina O-ring sealed chain final drive
Performance
Horespower80.00 HP (58.4 kW)
Torque52.00 Nm (5.3 kgf-m or 38.4 ft.lbs)
Top Speed
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity17.00 litres (4.49 gallons)
Emissions
Chassis
Frame TypeTwin spar alloy frame with trellis sub-structure.
Rake24.0°
Trail98 mm (3.9 inches)
Front Suspension43mm inverted telescopic with compression and rebound adjustment
Front Travel
Rear SuspensionOhlins single shock with adjustable ride height, compression damping, and spring preload
Rear Travel
SeatAmerican cowhide leather seat
Seat Height749 mm (29.5 inches) If adjustable, lowest setting.
Alt. Seat Height800 mm (31.5 inches) If adjustable, highest setting.
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase1,397 mm (55.0 inches)
Dry Weight166.5 kg (367.0 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre120/70-ZR17
Rear Tire/Tyre160/60-ZR17
Front BrakesDouble disc. Dual semi-floating 310mm disc, Brembo master cylinder, Goodridge steel brake lines
Front Brake Diameter310 mm (12.2 inches)
Rear BrakesSingle disc. Bremo
Rear Brake Diameter210 mm (8.3 inches)
WheelsLight weight alloy wheels
Comments
MRX Sp and MRX Race are light weight versions with carbon fiber parts. MRX race has a weight of 150.59 kg (346 lbs).