Yamaha R25 Exhaust Compilation , This video show 15 type of exhaust , and feel the sound .
The Yamaha YZF-R25 is a sport motorcycle manufactured by Yamaha since 2014. It is Yamaha's first 250 cc sport motorcycle since the four-cylinder FZR250 that was sold between 1986 and 1994. A first for Yamaha twins, in common with the R3, the R25 uses an offset cylinder design. The YZF-R25 was updated for 2019. Wikipedia
Seat height: 78 cm
Oil capacity: 2.4 L (2.5 US qt)
Bore / stroke: 60.0 mm × 44.1 mm (2.4 in × 1.7 in)
Compression ratio: 11.6:1
Fuel capacity: 14.3 L (3.1 imp gal; 3.8 US gal)
Transmission: 6-speed constant mesh