Three also pleaded not guilty to charges of wounding with intent to injure relating to two other complainants. The maximum penalty is seven years in prison.
Two defendants also denied a further charge of injuring another person with reckless disregard for the safety of others relating to a fifth complainant.
This charge is a five-year imprisonable offence.
One defendant also pleaded not guilty to an unrelated careless driving charge.
Jensen granted interim name suppression and bailed them for a case review hearing on November 20.
Police are still seeking information from witnesses.
Anyone with information is urged to contact the police and quote file number 240825/6882.
Sandra Conchie is a senior journalist at the Bay of Plenty Times and Rotorua Daily Post who has been a journalist for 24 years. She covers mainly police, court and other justice stories, as well as general news. She has been a Canon Media Awards regional/community reporter of the year.