Wet weather football - and defence - went out the window at Aussie Stadium as the Sydney Roosters and North Queensland put on 94 points in 80 minutes before the Roosters ran out 64-30 winners in the NRL clash.

A Roosters side which had only managed 24 tries in 13 rounds of football put on 11 against a Cowboys team whose defence, and commitment, was woeful, as were the weather and the crowd of 4186.

With no fewer than four teenagers in their side, and three stars missing on State of Origin duty, the home side were steered around a soggy park by 18-year-old Mitchell Pearce, who had a hand, or boot, in most of what the Roosters achieved.

Veteran skipper Craig Fitzgibbon chipped in with nine goals from 10 attempts.

The home side had put on five tries to set up a 28-18 halftime lead over a Cowboys side that had put on three four-pointers of their own.

But the second half became a procession - occasionally interrupted by the brilliance of Cowboys fullback Matt Bowen - in which the Roosters put on six tries to the Cows' two.

Centre Sam Perrett latched onto a Pearce pass two minutes after the break to slide through some feeble defence before second-rower Shane Shackleton made the most of Cowboys winger Ty Williams being tackled into touch a metre out from his line.

Bowen hit back with his second classy try of the match but the Roosters made it 46-24 when centre Joel Monaghan crossed in the 57th minute.

Cowboys front rower Shane Tronc crossed after a neat Bowen offload but Monaghan got his second in the 66th when he swooped on a loose Cowboys pass and the score ballooned out to 52-30.

When Shaun Kenny-Dowall got his second for the night, the SCG scoreboard next door was almost needed and, fittingly, the winger's hat-trick try took it out to 64-30 when it was converted.

The last placed Roosters snapped a hoodoo of nearly two years, during which time they hadn't won a home game at night.

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