Specifications             X-Eleven (European model)
Engine                     Liquid-cooled 4-stroke 16-valve DOHC inline-4
Bore X Stroke              79 X 58mm
Displacement               1,137cc
Compression Ratio          11:1
Carburation                Electronic fuel injection
Max. Power Output          136PS/9,000rpm (95/1/EC)
                           140PS/9,000rpm (DIN)
Max. Torque                11.5kg-m/7,000rpm (95/1/EC)  - 83.2ft-lb
                           11.8kg-m/7,000rpm (DIN)      - 85.3ft-lb
Ignition                   Computer-controlled digital transistorised with
                           electronic advance
Starter                    Electric
Transmission               5-speed
Final Drive                'O'-ring sealed chain
Dimensions         (LxWxH) 2,145 x 750 x 1,115mm
Wheelbase                  1,500mm
Seat Height                795mm
Ground Clearance           140mm
Fuel Capacity              22 litres (including 4-litre warning light reserve)
Wheels               Front 17 x MT3.50 hollow-section triple-spoke cast
                           aluminium
                      Rear 17 x MT5.50 hollow-section triple-spoke cast
                           aluminium
Tyres                Front 120/70 ZR17 (58W) (Michelin Macadam 90X,
                           Bridgestone BT57F)
                      Rear 180/55 ZR17 (73W) (Michelin Macadam 90X,
                           Bridgestone BT57R)
Suspension           Front 43mm cartridge-type fork, 120mm axle travel
                      Rear Gas-charged monoshock damper with 7-step adjustable
                           spring preload, 120mm axle travel
Brakes               Front 310mm x 4.5mm dual hydraulic disc with Combined
                           3-piston callipers and sintered metal pads
                      Rear 256 x 5mm hydraulic disc with Combined 3-piston
                           calliper and sintered metal pads
Dry Weight                 222kg

The X11 is fitted with catalytic converters in each silencer, in addition to the HECS3 system, which injects air into the exhaust ports to help ensure any unburnt fuel is burnt up in the exhaust (which is probably why the silencers get so hot!). It also features Honda's linked brakes system.

This power graph is comparing the Honda X11 with the Honda Super Blackbird (it shares the same engine but in a different state of tune):

 

Performance figures from October 2000 issue Bike magazine, comparing against the opposition:

          Yamaha XJR1300    Kawasaki ZRX1100    Honda X11    Suzuki 1200 Bandit
0-60           3.60                 4.00           3.80          4.84
0-100          8.44                 8.80           6.10          8.56
Braking 70-0   3.21                 4.88           3.32          3.50
0-100-0       13.30                15.41          10.75         13.19
Top speed    137.83               137.40         152.60        140.40