YAMAHA R9

The MotoSPEC chassis specification for the 2025 Yamaha R9 is now available.

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The R9 geometry was measured as stock.  The chassis specification  is provided with stock Bridgestone S22 tires as well as Dunlop, Pirelli and Bridgestone racing tires.

The Center of Gravity of the R9 was measured with the bike in race trim with slick tires, aftermarket exhaust and lithium battery with headlights removed.

Most Supersport classes now allow for substitution or addition of the following components:

• Yoke / Triple Clamps
• Head bushes
• Swingarm pivots
• Rear Suspension Links