What japanese motorcycle brand has won the most moto GP championships in history?

Question

What japanese motorcycle brand has won the most moto GP championships in history?

Answer 1

ARE WE TALKIN JUST MOTO GP OR THE 'OLD' 500 CLASS? ANYWAY ITS HONDA ON BOTH COUNTS

Answer 2

17   Honda  

16 MV Agusta

10 Yamaha

7 Suzuki

3 Norton

3 Gilera

1 AJS

1 Gilera

This is the 500cc and MotoGP class's combined.

This is just the MotoGP class.

2007   MotoGP   STONER, Casey   AUS   Ducati

2006 MotoGP HAYDEN, Nicky USA Honda

2005 MotoGP ROSSI, Valentino ITA Yamaha

2004 MotoGP ROSSI, Valentino ITA Yamaha

2003 MotoGP ROSSI, Valentino ITA Honda

2002 MotoGP ROSSI, Valentino ITA Honda

So:

Honda 3

Yamm 2

Duke 1