Corser blitzed them in race one while the Ten Kate Honda men went backwards during that race so were looking for a reversal of that routine in this second race of the day.

Corser got away very well and led the field through turn one with Toseland and Vermeulen right behind.  Regis Laconi quickly worked his way through Toseland and then Vermeulen to move up to second place and closed right onto the tail of Corser and started challenging the Australian for the lead and on the second lap the Frenchman made his move to put his Ducati into the race lead.  Karl Muggeridge was running in fifth place and had started to close on his fourth placed team-mate as they started lap three.

Noriyuki Haga had started to put in a charge and put his Yamaha into fifth place after getting the better of Muggeridge and Chris Walker then started to hound Muggeridge before a red flag came out to put a premature end to proceedings and with only three laps down. The cause of the red flag was because of an oil down caused by Vizziello's Yamaha dropping its lunch in a big way.  As the riders returned to their pit bays an army of flag marshals got to work with their brooms and dirt to try and clean up the slick.  As only a couple of laps were down the race was restarted half an hour later as a completely new 20 lap race with no reference to the running order before the red flag came out.

Corser again got a flyer to lead the field through turn one and this time both factory Ducatis and Vermeulen didn't get a great run into turn one but the big surprise into that first turn was Norick Abe who must have got one ripper of a jump out of the blocks to be up into second position with Karl Muggeridge tussling with him for that spot.  Muggas got him early on lap two to take station in behind race leader Troy Corser. Toseland and Laconi worked their way up to fourth and fifth places while Walker and Haga battled over sixth place. On lap three Laconi made some sort of mistake which allowed both Walker and Haga to make their way past him.

Muggeridge managed to stretch a small gap over Abe and was backing the Fireblade into the turns from way out in an effort to stay with Corser, the gap on lap four only 4-tenths and Corser was not getting away this time around.  Vermeulen and Andrew Pitt were languishing down around tenth position.

Noriyuki Haga was on a mission and slipped past Norick Abe for third and immediately closed onto the tail of Karl Muggeridge and in no time at all he had made short work of Muggas to take that second place after putting in the fastest lap.  James Toseland had also upped his game to move up into fourth place but all that battling had allowed Corser to pull out a lead of 1.8 seconds and it was yet to be seen if Haga could muster enough speed from his Yamaha in order to tighten that margin.

Haga looked to be able to do exactly that as on the next lap he took four-tenths out of Corser and on the following circuit he pulled back another eight-tenths after setting a new lap record to narrow the gap down to only half a second to signal that this time around Corser is not going to have the game all to his self and also to hopefully prove that the Yamaha can be competitive in World Superbike.

Corser sensed Haga's presence behind him on the next lap and opened the door to invite the Yamaha man through and decided to sit in behind and watch the show as the laps wound down. Norick Abe was still running third while both the factory Ducati men had managed to relegate Muggeridge to sixth position ahead of Chris Walker. Lanzi was running in seventh position just ahead of Chris Vermeulen and a charging Pierfrancesco Chili. Vermeulen got ahead of Lanzi but then ran wide and lost a number of positions.

As they passed the halfway point in this 20 lap race Haga had built a 1.5 second buffer over Corser who in turn had 4 seconds on Abe who continued to keep the factory Ducati men behind him.

Neukirchner's Fireblade started puffing smoke and the German was forced to retire. Behind the factory Ducati duo was a virtual freight train of bikes with Muggeridge closely followed by Lanzi, Vermeulen, Walker and Chili with eight laps to run. Andrew Pitt was a few seconds further down in 11th place.

After they finished lap 13 Haga had stretched his buffer over Corser out to a full 2 seconds.  Abe still running strong in third place and Laconi not yet able to mount a challenge for that position while Toseland held down fifth place ahead of Lanzi, Vermeulen, Muggeridge and Chili while Chris Walker looked to be struggling to stay in touch with that group and his Kawasaki looked as though it had a hinge in the middle on entry to the corners. Vermeulen had decided to turn the wick up and put a good inside move on Toseland to steal fifth position.

With five laps to run Corser had started to take a tenth out of Haga here and there to narrow the gap down to 1.7 seconds but on the next lap the gap was back out to a full 2 seconds.

Chili had a good tussle with Toseland over sixth position with the Italian getting that spot with four laps to run while ahead of them Chris Vermeulen was starting to look for a way through on Regis Laconi. He found that way past on the next lap and then managed to close onto the tailpipe of third placed man Norick Abe and pushed his way past the Yamaha man with two laps to run. Meanwhile Regis Laconi now had his hands full with a charging Pierfrancesco Chili who quickly got the better of him for that fifth position.  Up front Haga had increased his lead over Corser out to 3 seconds.  Andrew Pitt's R1 gave up the ghost and the Australian was forced to limp back to the pits after struggling down in 15th position.

As they started the last lap Chili was trying to get the better of Abe for fourth place but couldn't quite get there while Lanzi got the better of Regis Laconi on that final lap to take sixth position ahead of both the factory Ducati man as Toseland had faded to eighth place in the latter stages of this race.

Haga took a brilliant win over Corser by 3.2 seconds but the overall round win goes to Corser who also extended his championship lead over Vermeulen out to 94 points.  Importantly Vermeulen's third position had served to extend his second place in the series ahead of Laconi to 18 points. Another disappointing weekend for Yukio Kagayama but his sterling efforts earlier in the season means that he still holds down fourth in the series but Toseland had narrowed the gap down to only six points. Haga's win promotes him up to sixth place in the series with a 14 point advantage over seventh placed Chili who in turn has two points over Chris Walker.

A breakthrough win for Yamaha possibly pointing to a stronger latter half of the season for the tuning fork boys.