Chassis.
3in x 1in (75 x 25mm) 16 gauge (1.5mm) ERW steel box.
Wheelbase.
Max 70.8in. (1800mm). Recommended 66in (1676mm) centre of wheel to centre of wheel.
Track Width.
Max 38in. (965mm) Centre of tread to Centre of tread or 39.3in (1000mm) from out side to out side of tyre.
Engine.
Honda GX200 or clone. (6.5hp) Stock or Stage 1 upgrade.
Transmission. Kart centrifugal clutch or torque converter.
Front Suspension.
Dropped axles with semi-elliptic springs, straight axles with quarter-elliptic springs or straight axle with a single transverse spring.
Rear Axle.Live axle (25mm) or Peerless differential axle, ridget mounted.
Wheels.Honda C90, Honda ANF125 or pit bike . 17in wire spoke.
Body.Based on pre WW2 cars. Materials: plywood, aluminium or fiberglass.
Full technical specifications can be found here. http://forum.cyclekartsgb.com/index.php?action=ezportal;sa=page;p=2Builders guide can be found here. https://cyclekartsgb.createaforum.com/tech-forum/a-'potential'-builders-guide/