Jones entered the second round of the series with the championship points lead after winning the opening round with countryman Tricker a close second.
Now after two more days of racing Jones has extended her lead over Tricker to 10 points.
Jones aboard her Husqvarna won four of the six tests on Day 1 and backed that up with five more test wins on Day 2.
The KTM mounted Tricker secured three test wins over the course of the weekend.
