What happens if I have a technical or operational issue within the warranty period?. We want to help! Is there a cost involved with collecting my Scooter or Powerchair?. Speed 8mph. With a 25 stone weight carrying capacity, revolutionary ìRunOnî run flat pneumatic tyres, the unique Max Grip Limited Slip Differential gearbox and the new technology high power high torque 600 Watt motor this really is THE scooter for the 21st Century.