Motorbike by Seiji Nishikawa

Diagrams in NOA Magazine 118
Diagrams in Fun Origami World by Makoto Yamaguchi
Folded from a square of origami paper

Motorbike by Sakasegawa Takashi

Diagrams in Tanteidan 6th convention
Folded from a square of duo Unryu paper

Motorcycle by Issei Yoshino

Diagrams in Issei Super Complex Origami by Issei Yoshino
Diagrams in Origami Tanteidan Magazine 16
Diagrams in Origami Tanteidan Magazine 17
Diagrams in ORU Magazine 15
Folded from 2 squares of tissue+Japanese Foil+rice paper