BETA TEMPERATURE SENSOR is the genuine Beta OEM Cylinder/Cylinder Head/Valvetrain component (part no. 029.13.004.00.00) for the RR 350 4T, RR 350 4T RACING, RR 350 4T X-PRO, RR 390 4T, RR 390 4T RACING, RR 390 4T X-PRO and 7 more models (2015–2026). It keeps your Beta performing exactly as the factory intended. Replace it as part of normal