The triumph and Suzuki machines involved a collision with a black Mitsubishi Shogun in about 1820 BST on Saturday at Bronaber, near the city of Trawsfynydd.
Motorcyclists with placed two hospitals, Ysbyty Glan Clwyd and Gwynedd Ysbyty for treatment.
Police are appealing for witnesses to the incident.
the army has encircled Baniyas as Sunday dozens of people during clashes with security forces in the Syrian Port of Baniyas, where 13 dead was injured on Sunday, say residents.Troops of Baniyas blocked and stormed the near village of Bayda, they said.
Human rights groups say that hundreds of people, have been arrested including several students, who in a rare rally in Damascus University Monday's competition.
About 200 people have in weeks of protests against the repression of President Bashar al-Assad Government died.
The United States, said the use of force in Syria was "outrageous" and expressed its concern about claims that were wounded is denied medical care.
"The United States sentenced to suppress the sustained efforts to a peaceful demonstrators,", said a statement from the White House.
The British Government British warned on Tuesday not to travel to Syria, unless absolutely necessary.
DisableThe unrest is seen as the biggest challenge to President Assad, in the year 2000 makes inherited from his father.
Residents said of the flashpoint city of Baniyas remained coasts under Lockdown on Tuesday, the BBC.
A witness said was surrounded near the village of Bayda of military vehicles.
He said dozens of people had with impact security forces injured was, and that the soldiers were prevented ambulances from getting to the city.
Other residents said electricity had cut off were that were majority of telephone lines and essential supplies like bread supply have been short.
Twenty-two people were arrested in Baniyas on Monday, when funerals for the four people who died were held, when security forces opened fire on demonstrators at the weekend.
Damascus protestAccused on Tuesday, human rights watch Syrian security forces reach wounded demonstrators during clashes in anti-Government demonstrations last week it came to medics prevent.
"Deprive wounded people from critical and perhaps life-saving medical treatment both inhumane and illegal,", said Sarah Leah Whitson, Director of Middle East.
It was a rare show Act of defiance University Damascus on MondayIt said on Friday as security forces on demonstrators in Duma, Harasta, and Deraa, a suburb of Damascus raised a total of 28 people were killed.
Human rights activists also say that hundreds of arrests in Syria takes place have.
Fayiz Sara, 61, a popular syrischer writer and journalist, on Monday arrested was the third character opposition arrested since Sunday.
Other security forces rounded up are bloggers, activists and young opposition supporters.
Mr Assad accused the violence on armed gangs, which instead reform seekers and has vowed to put down more unrest.
Syria's top pro democracy group, the Damascus Declaration, the Arab League, called impose sanctions against the regime.
The Damascus Declaration estimates that about 200 people have Syrian protests, died, the first in March in the southern city of Deraa broke.
Offer then distributes the protests despite Mr Assad's, the regime ends a decades-old emergency law allows arrest to look at people without charge.
He has to placate also minority of Kurds by the offer to defuse citizenship and anger of plunder for local officials.
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a person to serious injuries in the incident with a nine others were eight suffered hurt have, one seriously injured, in an accident with a bus and a car near the town of Cardiff City Centre.A bus of Stagecoach from Merthyr Tydfil ended before gardens of the A470 North Road at 1340 BST on Saturday.
The victims - a mix of passengers on the bus, including the driver, and in the car - were taken to the hospital.
The X 4 bus had 20 passengers on board. The main road north of the city centre was closed in both directions.
A person will have believed, to serious injuries suffered while the others suffered minor injuries.
The front of the bus was badly damaged in the crash.The single decker X 4 bus was from Merthyr to Cardiff travel when the crash between colum road and Maindy road took place.
South Wales police says that it is closed in both directions between the Gabalfa Exchange and colum road.
She advised motorists who area remain clear.
BBC Wales reporter Kate Scott-Williams, who said police at the scene, said a total of nine people have been adopted that was injured.
"There are only two vehicles involved, a car and bus." Both vehicles were towards the city centre on the road, "she said."
"There was a collision of some sort, and they then from the road in a garden - she appeared in have landed two gardens."
The street was 1730 BST for crash investigations continue closed.
A spokesman for Stagecoach said: "A car was in collision with our X 4 service around 1:40 P.m. today in North Road, Cardiff."
"The single decker bus which was traveling from Merthyr to Cardiff, had about 20 passengers on board."
He added: "Our first thoughts are for the welfare of those who was injured." "We will support also the police in any way we can with their investigation of the accident."
Cardiff bus said that the closure of the North Road was delayed seriously all services in the North of Cardiff.
