| Special tools and workshop equipment required |
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| Universal dial gauge holder -MP 3-447- |
Note | t
| Because of the different stem diameters only use inlet valve in inlet guide or outlet valve in outlet guide. |
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| If the wear limit is exceeded, repeat measurement with new valves. If the wear limit is again exceeded, replace cylinder head. |
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| If the valves are replaced when carrying out repair work, use new valves for the measurement. |
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