The Kiwi import has gone two for two since joining Turnbull's stables last month but will face her biggest test yet in the Club Menangle Country Series Heat (1,730 metres).

Kotiro, meaning 'girl' in Maori, will be out to prove she's a fully grown threat when she takes on a classy country field.

She gets a helping hand with the gate one start, which well certainly be appreciated against the likes of Arcachon (Chris Frisby), Spike Robyn (David Hewitt) and Loyola Trios (Amanda Turnbull).

Kotiro struggled for pace on the Newcastle racing scene for her former trainer Mark Callaghan but the switch to the Central West has breathed life into the four-year-old's career.

Her pair of death seat successes at Tamworth and Young netted more prizemoney than her nine previous starts combined.

Bathurst, as Turnbull knows, will be a whole new kettle of fish but the trainer's got faith the mare can figure in the finish.

"One of the owners, in his words, saw that I travelled around and put horses where they need to be. She wasn't good enough for Newcastle so he asked me to put her around places like Parkes," he said.

"She had a great run from the death at Tamworth and did the same thing at Parkes, where she went three wide to get to the death seat but won again.

"She gets thrown in the deep end on Wednesday night but she starts from the inside and has good gate speed so I give her a really good chance to be up there again."

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Turnbull has managed to revitalise the careers of several runners.

Just a fortnight ago he found his 50^th winner for the season with Watchoutnexttime who saluted on debut for the stable.

"She ran some really nice races in New Zealand before I got her, and even two starts before I got her she ran a really quick time at Newcastle. Even though she was behind by 30m they went 1:54 in the race," Turnbull said.

"The change of scenery has worked. The guys who used to train her have contacted me asking how I did it. The change in training regime seems to have done the trick.

"I've got different facilities to a lot of others, with things like the swimming pool, and I tend to let them gallop a lot and not keep the hobbles on them all the time. It's about switching things up and doing what's best for the horse.

"The happier a horse is, the more likely they are to try harder for you."

Prior to the stable switch Kotiro had picked up just a single win from 15 starts.

Wednesday's meeting will be headlined by the two Country Series Heats worth $10,000 each.

The opening race of the meeting starts from 5.13pm.