"I have only had him a couple of weeks and it was a nice blowout for him," O'Reilly said.
He has taken over Master Bomber from owner HubertChristey, who is easing down at the age of 79.
O'Reilly has driven Master Bomber in his seven wins and plans to start him at Addington on Friday night.
The 6yr-old Armbro Invasion gelding has not raced since December 10 when he dead-heated for third behind Stylish Monarch and Ima Gold Digger at Addington.
He won there the previous month.
The filly Supreme Gem recorded the fastest mile time of 1.59.1 in three heats for 2yr-olds yesterday.
The daughter of Christian Cullen and the speedy mare Flying Sands (11 wins) is trained by Mark Jones.
Crystal Star and Telemecanique, winners for the Jones stable at Addington last Saturday night, are under orders for a North Island campaign leading up to the Harness Jewels in June.
The two 4yr-old mares will be joined by the star 3yr-old trotter, Shezoneoftheboyz, and possibly the 2yr-old Ransom Olds.
Crystal Star won the Country Cups Final last Saturday.
She has also won the Four-Year-Old Championship at Forbury Park and three other races this season for $73,319 in stakes.
Telemecanique has won six races and $96,316 this season. Her wins include the Equine Stakes at Winton and Caduceus Club Stakes at Gore.
Jones is considering the $30,000 North Island Breeders' Stakes on Friday week for Crystal Star.
• Motu Pocket O'Jewels is now trained by Peter Jones at Templeton.
The In The Pocket mare won at Oamaru in September when trained by part-owner Ian Munro.
• Trainer Doug Gale bridged a gap of 11 years when he won the Hawera Cup with Dash yesterday.
Gale won the 1999 Hawera Cup with Elite Warrior.
• Goodtogo has been sold to Australia by Mosgiel owners Syd and Shona Brown.
The Mach Three 3yr-old filly won over a mile in 1.58.2 at Wyndham in January