MotoSPEC is SOFTWARE for OPTIMIZING MOTORCYCLE SUSPENSION and CHASSIS GEOMETRY.

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

MotoSPEC builds a virtual motorcycle, starting with frame and swingarm dimensions.
Forks, shock, triple clamps and tires are also specified.

Chassis geometry values including trail, swingarm angle and anti-squat are calculated .
Suspension characteristics including wheel rates and forces are calculated.

Up to three setups or chassis specifications can be compared.

A fully-functional trial license with chassis data is available on request.
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
  • Center of Gravity Calculator
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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 RS250SP
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 CBR500R
Honda CBR600RR
Honda CBR1000RR
Honda CBR1000RR-R SP (2021)
Honda NSF250R
Honda RC30 1990
Honda RC51 SP2
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Indian FTR 1200
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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 890 Duke
KTM 1290 Super Duke
​KTM RC390 CUP​
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MV Agusta F3 675
MV Agusta F4
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Ohvale GP-0 110/60
Ohvale GP-0 190
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Pierobon X80R
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Suzuki GSX-R 600
Suzuki GSX-R 750
Suzuki GSX-R 1000
Suzuki Hayabusa
Suzuki SV650
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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 R1
Yamaha R3
Yamaha R6
​Yamaha R7
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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