The engine of the 1942 Harley Davidson WLC is rebuilt and Mark Evans also gets to grips with fitting the carburettors to the engine.

The restoration of a 1942 Harley Davidson WLC continues, as Mark Evans fits the engine and gearbox. It's then time for him to assess the bodywork.

The Harley Davidson restoration challenge continues. Mark Evans gets some help from expert sprayer Danny Boswell, as the bike gets a new colour.

It's nearly time for Mark Evans to test ride the restored Harley Davidson. But before the ride, the final chrome details are added to the bike.

Mark Evans embarks on his next bike challenge - to restore a 1970 Triumph Bonneville. His first task is to strip the bike down to its frame.

Self-build guru Mark Evans continues to work on the Triumph Bonneville, as he dismantles the engine, strips the wheels and does a spot of welding.

Mark reveals the completely painted frame of the 1970 Triumph Bonneville and begins to build the forks, which proves to be less straightforward.

Mark Evans rebuilds the engine of the 1970 Triumph Bonneville and fits it to the frame, before attempting to re-cover the seat.

The finishing touches are made to the 1970 Triumph Bonneville. Mark Evans can then enjoy the thrill of taking the bike out for its first spin.

Mark Evans embarks on a new motor biking challenge - to build a VW lowrider Trike. He begins by demolishing a VW Beetle to obtain the parts he needs.

Self-build guru Mark Evans continues building his VW lowrider Trike. Mark fits the engine, clutch and brake cables.

Air brush artist Steve Mohacsy shows Mark Evans how to jazz up the paintwork on his flash mammoth VW lowrider Trike.

Mark Evan's latest motorbike challenge is taking shape, as he fits the lights and clocks to his VW lowrider Trike.

The finishing touches are made to Mark Evan's VW lowrider Trike. He then takes it out for a ride and checks out people's reaction to this monster.