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Can someone point in the right direction to locate intake & exhaust valve stem to valve guide specs?
 

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Is this what you need?

Valve guide bush inside diameter 5.500 to 5.518 mm (0.2165 to 0.2172 in.)

Valve stem diameter

Intake-5.460 to 5.475 mm (0.2145 to 0.2156 in.)
Exhaust-5.455 to 5.470 mm (0.2144 to 0.2154 in.)

Valve guide bush oil clearance

Standard Intake-0.025 to 0.058 mm (0.0010 to 0.0023 in.)
Exhaust-0.030 to 0.063 mm (0.0012 to 0.0025 in.)
Maximum- 0.10 mm (0.0039 in.)


Valve guide bush bore diameter

STD - 10.448 to 10.506 mm (0.4129 to 0.4136 in.)
O/S 0.05 - 10.538 to 10.556 mm (0.4149 to 0.4156 in.)
 
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