Quads: Category Definitions

Quads (2WD solid axel) - Group 1

Group 1.1 Quads with 2-stroke, double-cylinder, 251 cc to 650 cc engines

Group 1.2 Quads with 2-stroke, single-cylinder, 351 cc to 550 cc engines

Group 1.3 Quads with 4-stroke, single-cylinder, 251 cc to 650 cc engines

Group 1.4 Quads with 4-stroke, double-cylinder, 251 cc to 750 cc engines

Group 2.1 2WD Quads with single-cylinder, 251cc to 800cc engines

Group 2.2 2WD Quads with double-cylinder, 251cc to 800cc engines

Group 2.3 4WD Quads with double-cylinder, 500cc to 800cc engines

Group 2.4 2WD or 4WD Quads with differential transmissions