MotoSPEC is SOFTWARE for OPTIMIZING MOTORCYCLE SUSPENSION and CHASSIS GEOMETRY.

MotoSPEC has been designed with a
SIMPLE INTERFACE and CLEAR OUTPUTS,
to assist motorcycle manufacturers, tuners and race teams, to make
QUICK and INFORMED DECISIONS.

A fully-functional trial license with chassis data is available on request.

MotoSPEC builds a virtual motorcycle, starting from the frame and swingarm geometry.

The suspension components - including triple clamps, forks, shock and linkage mount off the frame and swingarm, .

Steering and pivot adjustments modify the relationships between all these components.

'Elastic' components (main springs, topout springs, bump rubbers, air springs) are specified.

Specifying the front and rear suspension compression results in the calculation of the geometry, wheel forces and wheel rates.

MotoSPEC is a 'quasi-static' model of the motorcycle, allowing geometry and suspension characteristics to be examined and setup variations to be investigated.

All chassis dimensions and specifications are editable.
Aftermarket components like yokes and linkages can be easily measured and input by the user.

MotoSPEC can also be used to design new components. 
For example, rear suspension linkages can be designed to obtain the desired motion ratio characteristics while also observing their effect on the chassis geometry.
  • Calculate front and rear suspension geometry and forces, throughout the suspension travel
  • Compare spring rates and preloads
  • Analyze and design rear suspension linkages
  • Understand the effect of pivot adjustments, air springs, bump rubbers and top-out springs
  • Calculate the effect of fork height and rear ride height on front steering geometry
  • Apply yoke and frame head inserts for angle and offsets
  • Plot chassis math channels to compare chassis geometry to throttle and brake pressure inputs ​
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JGSpeedfit Bournemouth Kawasaki used MotoSPEC to win the 2018 British Superbike championship with Leon Haslam.
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Team Appleyard Macadam Racing used MotoSPEC through 2018-2020, winning the British Supersport championship in three consecutive years.

Aprilia RS 660
Aprilia RSV4 RF
Aprilia RSV4 Factory
Aprilia RSV4 Factory 1100
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BMW HP4 Race
​BMW M1000RR
BMW S1000RR
BMW S1000RR M Package
BMW S1000RR HP4
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Ducati Panigale 959
Ducati Panigale R
​Ducati Panigale V2
Ducati Panigale V4 S
Ducati Panigale V4 R
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Harley-Davidson Road King FLHR
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Honda Africa Twin Adventure Sports
Honda CBR600RR
Honda CBR1000RR
Honda CBR1000RR-R SP (2021)
Honda NSF250R
Honda RC30 1990
Honda RC51 SP2
-
Indian FTR 1200
-
Kalex Moto2 2017
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Kawasaki Ninja 300R
​Kawasaki Ninja 400
Kawasaki Ninja 650
Kawasaki ZX6
Kawasaki 636
Kawasaki ZX10R​
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​Kramer HKR EVO2
​Kramer GP2-R
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KTM Moto3 2018
​KTM RC390 CUP
​KTM 890 Duke
KTM RC8R
KTM 1290 Super Duke
-
MV Agusta F3 675
MV Agusta F4
-
Ohvale GP-0 110/60
Ohvale GP-0 190
-
Pierobon X80R
-
Suzuki SV650
Suzuki GSXR600
Suzuki GSXR1000
Suzuki Hayabusa
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Triumph 675
Triumph Street Triple RS 765
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Yamaha FZ-07 / MT-07
Yamaha FZ-07 / MT-07 (w R6 forks and clamps)
Yamaha R3
Yamaha R6
​Yamaha R7
Yamaha R1
Yamaha TZ250 5KE
Chassis dimensions for most sportbikes are provided, including the following models:​
The following off-road and motocross models are also available:
​​Honda CRF250R
Honda CRF450R
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Husqvarna FC450
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Kawasaki KX250
Kawasaki KX450F
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KTM 350 EXC-F
KTM 450 XC-F
KTM 450 SX-F
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Suzuki RM-Z250
Suzuki RM-Z450
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Yamaha YZ250F
Yamaha YZ450F
Many older models are also available.

MotoSPEC runs on Windows 8.1 or 10, on your PC or Mac.
KNOWLEDGE BASE

Additional MotoSPEC KB posts are available at this link.
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