Front, mid and rear-engined chassis layouts are all permitted.
Naturally aspirated four-stroke motorcycle engines from Honda (up to and including 2016) or Kawasaki (pre-2010), Suzuki (up to and including 2016) or Yamaha (pre-2009). Engines must remain entirely standard and unmodified internally, but dry sump lubrication and exhaust/induction systems are free.
Suspension geometry and architecture is free, with controlled regulations on springs, dampers limited to three-way adjustment, and ‘active’ suspension not being permitted.
Braking system is free, with the exception of ABS and carbon/composite discs.
Sports 1000 is predominantly a mechanical grip formula. Wings are not permitted and aerodynamic development is tightly controlled, however there is plenty of scope for the amateur to develop their own car or bodywork.
The gearbox and its respective ratios must be standard for the engine with a maximum of six forward speeds.
All cars use an Yokohama A048R control tyre (barcoded and limited in quantity per season to control costs), with an Avon wet weather option.
There are 12 rounds in the 2021 season, spread across six double-header race weekends.
Club membership is just £25 for 12 months, season registration is £120, and double-header weekend entry fees (qualifying, 1 x 15min and 1 x 20min race) are typically between £295 and £395 depending on the circuit. Regulation compliant, proven cars are available secondhand from just £10,000.