Palmerston North Police have concerns for 25-year-old Stephen Walker, who has been missing from his home near Bulls since last Wednesday.
Mr Walker was last seen at his home at 8.30pm.
He is a male European, 1.8m (6ft) tall, of medium build with short brown hair.
He was last seen wearing a green Swanndri, a green hoodie, track pants and gumboots.
A blue Suzuki TF125 farm motorbike on which police believe Mr Walker was travelling has been found on Makoura Rd near the intersection of Pohangina Rd in the Apiti area.
