The West Australian | Boy, 15, dies from severe head injuries after crashing his dirt bike near sand dunes Daily Mail A young boy has died from severe head injuries after crashing his dirt bike head-on with his cousin near sand dunes. The two boys, both 15, were riding their dirt bikes between Layman Road and Wonnerup Beach in Wonnerup, 10km east of Busselton, south ... 15yo motorcyclist dies after sand dunes crash WA teenager dies in motorcycle crash Boys hurt in trail bike head-on |