TIAGO TIGOR BSVI - SERVICE MANUAL

1.2L REVOTRON ENGINE 57 Valve Specification (REVOTRON 1.2L) Dimension (Call out) Intake Valve Exhaust Valve Valve Head Diameter (A). 31.32/31.72 26.92/27.32 Valve Seat Angle. 45 0 +15' 45 0 +15' Valve Stem Diameter (B). 5.487 -0.014 mm 5.477 -0.014 mm Valve Seat Diameter (C). Ø 30.08 mm (Gauge  ) Ø 25.37 mm (Gauge  ) Valve Seat End Distance from Valve Face (D). 1.72 ±0.1mm 1.873±0.1 mm Maximum Run-out of Valve Face with Respect to Valve Stem. 0.1 mm 0.1 mm Maximum Run-out of Valve Seat with Respect to Valve Stem (C - B). 0.03 mm 0.03 mm