HI, As I noticed that we don't have a database or extensive list of all the rackets with their max recommended tension. Here are few of Yonex rackets. https://docs.google.com/open?id=0B12hRhzDKGn7NzRDVzB0UDhOOXc Cheers.
[TABLE] [TR] [TD]Racket Model[/TD] [TD]Min in lbs.[/TD] [TD]Max in lbs.[/TD] [/TR] [TR] [TD]Yonex Carbonex 6000 Plus[/TD] [TD]16[/TD] [TD]20[/TD] [/TR] [TR] [TD]Yonex Muscle Power 700[/TD] [TD]16[/TD] [TD]20[/TD] [/TR] [TR] [TD]Yonex Carbonex 7000 Plus[/TD] [TD]16[/TD] [TD]20[/TD] [/TR] [TR] [TD]Yonex Muscle Power 600[/TD] [TD]16[/TD] [TD]20[/TD] [/TR] [TR] [TD]Yonex Armortec 600[/TD] [TD]19[/TD] [TD]24[/TD] [/TR] [TR] [TD]Yonex Muscle Power 23[/TD] [TD]19[/TD] [TD]24[/TD] [/TR] [TR] [TD]Yonex Carbonex 8000 Plus[/TD] [TD]19[/TD] [TD]24[/TD] [/TR] [TR] [TD]Yonex Muscle Power 22 Plus[/TD] [TD]19[/TD] [TD]24[/TD] [/TR] [TR] [TD]Yonex Isometric Lite Pro[/TD] [TD]19[/TD] [TD]24[/TD] [/TR] [TR] [TD]Yonex Nanospeed Sigma[/TD] [TD]19[/TD] [TD]24[/TD] [/TR] [TR] [TD]Yonex Nanospeed 100[/TD] [TD]19[/TD] [TD]24[/TD] [/TR] [TR] [TD]Yonex Muscle Power 29[/TD] [TD]19[/TD] [TD]24[/TD] [/TR] [TR] [TD]Yonex Voltric 3[/TD] [TD]19[/TD] [TD]24[/TD] [/TR] [TR] [TD]Yonex Arc Saber Delta[/TD] [TD]19[/TD] [TD]24[/TD] [/TR] [TR] [TD]Yonex Voltric Omega[/TD] [TD]19[/TD] [TD]24[/TD] [/TR] [TR] [TD]Yonex Isometric Alpha[/TD] [TD]19[/TD] [TD]24[/TD] [/TR] [TR] [TD]Yonex Arc Saber 001[/TD] [TD]19[/TD] [TD]24[/TD] [/TR] [TR] [TD]Yonex Nanospeed 990[/TD] [TD]20[/TD] [TD]25[/TD] [/TR] [TR] [TD]Yonex Nano Speed 850[/TD] [TD]20[/TD] [TD]25[/TD] [/TR] [/TABLE]