The Dungannon rider has been out of the saddle since the Isle of Man TT.
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Fans watching this year's Isle of Man TT races will be able to view the event from five new vantage spots.
Isle of Man TT star John McGuinness said he feels "emotional" about having a corner section of the 38-mile Mountain circuit named after him.
Farquhar will be supplied with a Superbike and a Supersport machine for the North West 200, Isle of Man TT and possibly the Ulster Grand Prix.
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Several other Lincolnshire riders are competing at the event in County Antrim, which is second only to the Isle of Man TT in the British road racing calendar.
However after a week of negative reaction to the idea, the Isle of Man TT co-ordinating committee, chaired by Tourism Minister Martyn Quayle, announced a U-turn on Friday.
He also enjoyed the distinction of being the fastest ever Irish rider around the Isle of Man TT course, a feat he achieved during the 2005 Senior TT.
After making his name on a Suzuki in the US, Hopkins, whose father raced in the Isle of Man TT, moved to GPs this year on a Yamaha.
All three will make their debuts at the Isle of Man TT this year and clerk of the course Whyte plans to have the trio at the North West a few weeks earlier.
Riding in the colours of Round Tower Racing, Vitrans Honda, Klaffi Honda, MV Agusta and JMF Millsport Yamaha, he enjoyed considerable success, including three Irish championships and podium places at the North West 200, Isle of Man TT and the Ulster Grand Prix.
He will be sadly missed by all in the road racing fraternity, but most particularly by his family, and the absence of the 'number 45' will leave a massive void in the paddock and cast a shadow over the forthcoming North West 200 and Isle of Man TT.
Every year, thousands of visitors travel to the Isle of Man to watch the TT races and to take the opportunity to ride around the world-famous circuit.
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After failing to register a win at the North West 200 in May, the Morecambe man went on to win the prestigious TT Superbike and Senior TTs on the Isle of Man.
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People will die unless road users "drive with respect" during the TT festival, Isle of Man police say.
Repairs to the Isle of Man's Mountain circuit are on target for TT festival races, despite considerable weather damage, says the course inspector.
Isle of Man homeowners are being asked to sign up for the government's 'TT homestay scheme' to accommodate tourists during June's races.
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