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SPEC
ENGINE SPECIFICATIONS
Timing chain
Model/number of links RH2015/136 ----
Tensioning system Automatic ----
Valves, valve seats, valve guides
Valve clearance (cold)
Intake 0.15 ~ 0.22 mm ----
Exhaust 0.18 ~ 0.25 mm ----
Valve dimensions
Valve head diameter A
Intake 29.9 ~ 30.1 mm ----
Exhaust 25.9 ~ 26.1 mm ----
Valve face width B
Intake 1.2 ~ 2.0 mm ----
Exhaust 1.2 ~ 2.0 mm ----
Valve seat width C
Intake 0.9 ~ 1.1 mm 1.6 mm
Exhaust 0.9 ~ 1.1 mm 1.6 mm
Valve margin thickness D
Intake 0.8 ~ 1.2 mm ----
Exhaust 0.5 ~ 0.9 mm ----
Valve stem diameter
Intake 4.975 ~ 4.990 mm 4.945 mm
Exhaust 4.960 ~ 4.975 mm 4.930 mm
Valve guide inside diameter
Intake 5.000 ~ 5.012 mm 5.05 mm
Exhaust 5.000 ~ 5.012 mm 5.05 mm
Valve-stem-to-valve-guide clearance
Intake 0.010 ~ 0.037 mm 0.08 mm
Exhaust 0.025 ~ 0.052 mm 0.1 mm
Valve stem runout ---- 0.01 mm
Valve seat width
Intake 0.9 ~ 1.1 mm 1.6 mm
Exhaust 0.9 ~ 1.1 mm 1.6 mm
Item Standard Limit
B
C
D
A
Head Diameter Face Width Seat Width Margin Thickness
