21. Side Bumpers( App. 9 Drawing 12) 21.1. The side bumpers must:
a.
Be fixed to two welded tube attachments that must be 500mm ± 5mm apart. These two attachment tubes must be least 50mm long parallel( in both horizontal and vertical planes) to the axis of the Chassis Frame.
b. Have their upper bar at a minimum height of 160mm above the ground.
21.2. The side bumpers may be shortened and re-drilled in order to reduce the width of the Kart; no other modifications are permitted to the CIK-FIA Homologated side bumpers.
22. Side Pods( App. 9 Drawing 4) 22.1. The side pods must:
a.
b.
Never be located either above the plane through the top of the front and rear tyres or beyond the plane through the external part of the front and rear wheels( with the front wheels in the straight-ahead position). In the case of a“ Wet Race” App. 7 Art. 1.6. c side pods may not be located outside the plane passing through the outer edge of the rear wheels.
Not have the outermost point of the external face located inside the vertical plane through the two external edges of the wheels( with the front wheels in the straight-ahead position) by more than 40mm.
c. Have a ground clearance of 25mm minimum and 60mm maximum. d.
Have uniform and smooth surfaces that must not comprise holes or cuttings other than those necessary for their attachment.
e. Have a maximum gap between the front of the side pods and the front wheels of 150mm. f. Have a maximum gap between the back of the side pods and the rear wheels of 60mm. g. Not overlap the Chassis Frame as seen from underneath. h. Be solidly attached to the side bumpers.
23. Gearbox Kart Bumpers
23.1. All gearbox Karts in the 125 Open Superkart 250 Mono and 210 National Classes unless specified in Class Regulations must be fitted with bumpers / bodywork providing front rear and side protection.
23.2. Rear bumper measurements will be taken as follows:
a. For the upper element the measurement will be taken to the top of tube. b.
c.
For the lower element it will be measured to the top of the tube and then the diameter of that tube subtracted the result being the official measurement of height.
Where a gap is specified the gap will be measured between the bottom of the upper element and the top of the lower element.
d. All measurements to be taken with the Kart in dry configuration. 24. Gearbox Front Bumper
24.1. The front bumper must:
a.
Consist of at least two Steel elements. An upper bar mounted in parallel above a lower bar. Both bars with a minimum diameter of 18mm and a minimum wall thickness of 1.5mm and being connected with two vertical tubes and welded to the upper rail as a minimum and presenting a vertical flat face.
b. Allow the attachment of the front fairing whenever a mandatory requirement. c. Be attached to the Chassis Frame by four points.
Motorsport UK National Competition Rules 2026 Edition 1
Chapter 18 Appendix 8- General Technical Regulations 675