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1.2L REVOTRON ENGINE
71
Valve
Specification (1.2L NG TC REVOTRON)
Dimension (Call out)
Intake Valve
Exhaust Valve
Valve Head Diameter (A).
Ø 31.52
± 0.20
Ø 27.12
± 0.20
Valve Seat Angle.
45
0
-15’
45
0
-15’
Valve Stem Diameter (B).
Ø 5.473/5.487 mm
Ø 5.463/5.477 mm
Valve Seat Diameter (C).
Ø 30.08 mm (Gauge dia.)
Ø 25.37 mm (Gauge dia.)
Valve Seat End Distance from Valve
Face (D).
1.72
± 0.10
mm
1.873
± 0.10
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