He was remanded in custody for sentencing on November 24.
According to a police summary of facts, Roma broke into the Dargaville Warehouse about 3.50am on September 17 and stole three cellphones valued at $387.
Five days later, he broke into the Dargaville Diesel Services in the early morning hours and drove away in a Mitsubishi Canter truck worth $15,000.
Using a tyre iron from the stolen truck, Roma smashed windows of four businesses in town and stole small sums of money.
He then used the stolen truck to ram raid the front doors and a wall of the Dargaville Honda Motorcycles at 4.21am and stole four chainsaws worth $3500.
A police pursuit began and on Waihue Rd, Roma reversed the stolen truck into a marked police car.
The car, worth about $40,000, was a write-off.
He then turned around and headed back towards town. An officer in a patrol car had to take evasive action twice.
Roma abandoned the stolen truck on Waimata Rd before stealing a Honda car from a farmhouse. He drove to Baylys Beach where he was seen by a fisheries officer.
He drove on to various roads before stopping on a farm property and fleeing on foot.
He was arrested a short time later after hiding in a bush.
Police recovered a number of items from the stolen car, including a money box and a receipt from two shops he burgled into hours earlier.
Three of the four chainsaws stolen from Honda Motorcycles were recovered from the stolen truck.
