Officers were gotten out at 9.40pm on Sunday evening after reports somebody had tumbled from a bicycle and managed head wounds.
The 17-year-old was taken to doctor’s facility and a sweep discovered he had a head twisted reliable with being shot.
He stays in a genuine condition.
The rider of the motorbike neglected to stop after the episode in Lyme Cross Road, Huyton, police said.
Officers are making house-to-house request in the territory and taking a gander at CCTV.
Criminologist Chief Inspector Bev Hyland, of Merseyside Police, stated: “I would ask any individual who was in the zone of Lyme Cross Road at around 9.30pm the previous evening who may have seen the motorbike making a trip at speed to get in touch with us.
“The rider of the bicycle left the scene and I would ask them, or any individual who knows them, to reach us as an issue of earnestness as they may have data which is imperative to our examination.”
Any individual who saw or heard anything suspicious is made a request to call criminologists on 0800 230 0600, or the Crimestoppers line, namelessly, on 0800 555 111.