Yamaha YZ 2019 Series Owner's Service Manual page 46

Engine oil temperature
Fuel line pressure (at idle)
Throttle grip free play
Front brake lever free play
ENGINE SPECIFICATIONS
70–80 C (158–176 F)
300–390 kPa (3.0–3.9 kgf/cm², 43.5–56.6 psi)
3.0–6.0 mm (0.12–0.24 in)
2.7–11.1 mm (0.11–0.44 in)
2-5