Yamaha TZ 250

Yeah a pure demon of a track bike for-sure;

https://www.youtube.com/watch?v=KPmyEFZ_d30

I'm not sure if this is still FS but hey what an investment;

https://motorcycles-for-sale.biz/sale.php?id=42341

Yamaha TZ 250 Engine and Transmission Technical Data
Maximum power - Output - Horsepower 86.90 HP (63.4 kW) @ 12250 RPM
Maximum torque 50.00 Nm (5.1 kgf-m or 36.9 ft.lbs) @ 11750 RPM
Engine Maximum RPM -
Cooling system Liquid

he Yamaha TZ 250 model is a Sport bike manufactured by Yamaha . In this version sold from year 2002 , the dry weight is 104.0 kg (229.3 pounds) and it is equipped with a V2, two-stroke motor. The engine produces a maximum peak output power of 86.90 HP (63.4 kW) @ 12250 RPM and a maximum torque of 50.00 Nm (5.1 kgf-m or 36.9 ft.lbs) @ 11750 RPM . With this drive-train, the Yamaha TZ 250 is capable of reaching a maximum top speed of . On the topic of chassis characteristics, responsible for road holding, handling behavior and ride comfort, the Yamaha TZ 250 has a frame with front suspension being and at the rear, it is equipped with . Stock tire sizes are 120/60-R17 on the front, and 165/55-R17 on the rear. As for stopping power, the Yamaha TZ 250 braking system includes Dual disc size 298 mm (11.7 inches) at the front and Single disc size 185 mm (7.3 inches) at the back.

https://www.ultimatespecs.com/motorcycles-specs/yamaha/yamaha-tz-250-2002

I guess it's probably about the torque curve. RD350R YPVS from the 80's made like 59hp, so you'd like to think these would decimate that.