Colin York, 62, from Farnham in Hampshire was found guilty at Guildford Crown Court on six counts of sexual abuse against the boys who were aged nine and 10 at the time, Surrey Police said
The offences took place in Reigate in Surrey.
Investigating officer Detective Constable Trudie Harrison said: "York was a respected member of society who abused the trust people placed in him.
"I hope this sentence sends out a clear message to people like him that no matter how old the allegation is we will carry out a thorough investigation in an attempt to bring offenders to justice.
"I would like to praise the two victims for the bravery that they have shown throughout the investigation and subsequent court case and although this sentence will never undo the damage York caused it will make sure people are protected from him for some time."
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The girlfriend of 22-year-old Ryan Harrison, who died at Guildford station on Saturday, March 30, has today paid tribute to her "best friend and soul mate".
Jaime-Leigh Egerton, 20, released the statement through British Transport Police (BTP) as they continue their investigation into the incident.
It is believed Ryan, with a friend, was involved in an altercation with a group of men at the station at around 11.40pm. Shortly after he fell in the gap between a train, which had just begun to move, and the platform. He died of his injuries.
Three 19-year-old men, two from Guildford and a third man from Cranleigh, were arrested on suspicion of murder in connection with the incident. They have been released on police bail, due to return in May.
Det Ch Insp Iain Miller said: “We are now a week into the investigation and a dedicated team of detectives have been working extensively to try and establish the full circumstances leading up to the tragic death of Ryan.
“However, we are still very much appealing for anyone with information, no matter how small or insignificant it may seem to them, to come forward.
Jaime-Leigh Egerton, said: “I haven't just lost my beloved boyfriend, I've lost my best friend and my soul mate. Ryan was a unique man with so many special qualities, you just couldn't help but love the person he was.
“He made every day together a blessing, he inspired me to do better and to be better. He had the biggest, kindest heart with the cheekiest smile. We were destined for each other and taught each other about true love."
Anyone with information is asked to call British Transport Police on 0800 405040.
“Ryan was the biggest, brightest ray of sunshine for us. He loved life, his family and his friends. He was a brother, son and boyfriend - we were so lucky to have him in our lives. He always looked so smart and gorgeous. He was ambitious in life and loved to party.
“His family have been totally devastated by his loss, and we ask to be left in peace and given time to grieve. He had the biggest, kindest heart, and a bright light has been turned off in all of us that knew and loved him. Rest in peace Ryan, sleep tight our darling.”
Detective Chief Inspector Iain Miller said: "There were two groups of men who came together at the station as the train arrived. Two people tried to board the train, eight people tried to get off the train. There was a bit of an altercation which spilled onto the platform.
The result of that altercation was that one of the men was punched and fell between the moving train and the platform, that resulted in his death. There were at least eight people involved, other than the two witnesses.
We need more of those people to come forward and anyone else who was at the station or around the station at that time, between 11.40pm and midnight.
We have a lot of CCTV to trawl both on the train and in and around the station. That's being done by officers from British Transport Police.
Friends have paid tribute to a 22-year-old man who died after he was hit by a train following an altercation at a railway station.
The victim, named locally as Ryan Harrison, from Woking, Surrey, was with a friend at Guildford station at 11.40pm on Saturday when he became involved in the confrontation which involved a number of other men.
Shortly after the altercation, Mr Harrison was fatally injured by a train.
South East Coast Ambulance Service paramedics attended but Mr Harrison was pronounced dead at the scene.
His family have been notified and his death is being treated as suspicious, according to British Transport Police.
Friend Jake Lund wrote on Facebook: "cant believe this has happened to such a nice person, rip Ryan".