The MotoGP grid could increase to 28 bikes for 2014, with Italians Aprilia possibly increasing their involvement.
Japanese outfit Suzuki will return to MotoGP in 2015 after three years out of the sport and are testing in Spain this week.
Suzuki test rider Randy de Puniet is positive about the bike's potential after the team's first public test in Catalunya.
BBC MotoGP commentator Steve Parrish says Cal Crutchlow's French GP performance means he joins a quartet of great MotoGP riders.
Bradley Smith undergoes a double operation to correct left-hand and wrist injuries picked up in practice.
World champion Jorge Lorenzo finishes ahead of Dani Pedrosa to record his third win of the season at the Catalunya Grand Prix.
Championship leader Dani Pedrosa takes pole position for the Catalunya Grand Prix, with Cal Crutchlow second.
Nine-time champion Valentino Rossi finds a late fast lap to pip team-mate Jorge Lorenzo during practice in Barcelona.
Max Biaggi is unlikely to return to racing, despite testing Ben Spies's bike in Italy, says a Ducati spokesman.
British rider Bradley Smith is cleared for this month's Catalunya MotoGP but may still require surgery on his hand.
British rider Bradley Smith feels positive after overcoming injuries to achieve his best MotoGP finish so far.
Spain's Jorge Lorenzo wins the Italian Grand Prix ahead of compatriot Dani Pedrosa and Britain's Cal Crutchlow.
Dani Pedrosa snatches pole position for the Italian GP from Jorge Lorenzo in the final moments of qualifying at Mugello.
Marc Marquez avoids serious injury in a 175mph crash, while Bradley Smith breaks his wrist in a separate incident.
Marc VDS team boss Michael Bartholemy says Scott Redding can be "the future" of MotoGP after his Le Mans Moto2 victory.
British rider Cal Crutchlow is determined to build on his career-best performance in Sunday's French Grand Prix.
Dani Pedrosa wins French Grand Prix as Britain's Cal Crutchlow finishes second for his best MotoGP result.
Scott Redding takes maiden Moto2 win with victory at the French Grand Prix in Le Mans to take the championship lead.
Cal Crutchlow could lose his Tech 3 seat to Moto2 rider Pol Espargaro, according to team owner Herve Poncharal
Marc Marquez clinches pole position after topping the qualifying session for Sunday's French MotoGP at Le Mans.
Features & Analysis
Jorge Lorenzo is showing why he is the world champion after claiming his second successive win on Sunday, says Steve Parrish.
Spaniard Marc Marquez seems undaunted by his recent crashes as he aims to win his home grand prix, says Steve Parrish.
BBC MotoGP commentator Steve Parrish believes Valentino Rossi will not challenge for a 10th world title this season
Former 400m star Derek Redmond on his new passion, motorcyle racing, and why he puts a TT win above Olympic gold.
The performances of Cal Crutchlow and Scott Redding at Le Mans showed the best of British, writes BBC Sport's Matt Roberts.
"Imagine trying to pass an articulated lorry without windscreen wipers and you'll get an idea what it's like"
Coverage details of the 2013 MotoGP season