Waimate showed an early sign they could be contenders for the Hamersley Cup after putting Old Boys to the sword 35-10 in the opening round of the competition.
Pleasant Point upset Temuka 35-14 while Mackenzie put in a strong showing before succumbing to Harlequins 23-19.
Defending champions Celtic romped home 58-17 against Geraldine to show they again are the side to beat.
Celtic, Waimate and Pleasant Point all gained a four-try bonus point to sit on top of the table.
At Manchester Park, hosts Waimate were impressive in the first half to lead 22-5 and, apart from a fortuitous try, Old Boys never really threatened, with their back line directionless.
Waimate halfback Theo Davidson opened the scoring with a penalty and then first five Kurt Rooney scored a good try after he sold a dummy and went over.
Front rowers Darren Strange and Sam Matson caught Old Boys napping with a clever interchange at the front of the line-out that saw Waimate up 17-0 midway through the half.
Prop Shannon Howe went over after Old Boys were caught short defending a ruck.
The Blues fans had a moment of excitement when first five Brad Leonard scooped up a poor clearance and scooted 40m for a try.
The second half lost some shape but Davidson extended the host’s to 28-5 lead with two penalties.
Old Boys sprang into life and wing Jarrid Cooper got over the line with the help of big prop Maturo Siaosi but that was it.
They had hardworking lock Michael Edmondson yellow carded and struggled again.
Waimate got their bonus point try after a perfect offload from prop Peter Little saw centre Jared Matthews go in under the bar.
Davidson landed the conversion to clock up 15 points off the boot.
For Waimate, prop Howe impressed in the scrums and, around the paddock, Rooney looked a class act until he went off injured, while Matthews made several good busts out wide.
No 8 Blair Morris was involved in everything and organised the pack in front of him very well.
The team continued their tight rivalry with Old Boys from last season, unfortunately going down narrowly 19 – 22 in their first match of the season.