Q2. What standards of full face helmets are acceptable for kart racing?

a) Snell (M2005; SA2005 and more recent) b) Snell (M2000; SA2000;) c) FIA Youth Helmets (CMS2007; CMR2007) d) DOT - All e) SFI Foundation (SFI 31.1A, SFI 31.2A)

The correct answer is A, C & E.

Snell 2000 and older helmets are no longer acceptable. DOT is not an acceptable rating.

Ref: ASN Sporting Regulations (ASR) Section 5.3 contains a complete list of acceptable helmets.