His doctor diagnosed a stroke but Mr Reiri was confident that was wrong.
"I had all my faculties and I knew I had a neck injury back in 2003 that had been fixed with physio so I didn't think I had a stroke."
With his ability to walk severely impaired and having to rely on a bicycle "which I kept falling off" Mr Reiri waited for months for an MRI scan.
He had shown his doctor x-rays of his 2003 injury and believes Wairarapa Hospital staff also looked at them.
Mr Reiri is convinced that if a quicker diagnosis of his problem had been made he would have been spared months of pain and suffering.
"'I would have been a lot better but they failed to come up with anything despite the x-rays I had taken in.
"They went all round the problem but not to it."
When he finally managed to get an MRI scan at Boulcott Hospital in the Hutt Valley it was on his head and showed nothing.
"I was told that it was looking good. I had to go on a benefit and that was a cruel blow as I had been shearing since I was a kid, making good money.
"X-rays were taken of my shoulder and my back and nothing came back, nothing looked out of place.
"They gave me the pin treatment. I could feel the pin pricks on my right side but the left side was numb which confused them."
Top specialist Martin Hunn ordered a second MRI scan and after months it was discovered two discs in his neck had "basically come off the rails" and were squashing his spinal column.
His specialist told Mr Reiri people with lesser problems had ended up in a wheelchair.
"He wondered how in heaven's name I had been able to shuffle along at all."
Mr Reiri went under the knife at Wellington Hospital in April where a lengthy operation on his neck spread the crushed discs, and necessitated two metal plates being inserted in his neck to keep the discs from again encroaching on his spinal cord.
"I'm a bit like Herman Munster now."
Over the past three months Mr Reiri has been determined to get his mobility back and, although he is making headway, he is far from his former fit self.
He walks as best he can round Henley Lake in company with a "frustrated dog who wants to go faster".
Despite the pain Mr Reiri continued to coach the Pioneer Rugby Club's under-13 team last season.
"At that time I could only shuffle sideways and there was no way I could kick the ball."
Mr Reiri has devoted his life to the Pioneer club, playing at senior level until he was past his mid 40s, and coaching at higher levels as well as at junior levels.
His working life has not exclusively been shearing but has been dominated by it.
"My ambition is to get a handpiece back in my hand by Christmas," he said.
One of his regrets was that, by not having medical insurance, he was not able to afford to treat his grandchildren last Christmas.
"I have six adult kids. Four live in Australia, so I have eight mokopuna there and two live in New Zealand and so I have four mokopuna here."
