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Showing results for tags 'plugged hole wreck a cam'.
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FYI when I refresh old Z's that sat for a long time, before cranking, I always take off the oiler tube and spray carb cleaner through each inlet and also back flow through each individual cam oil hole until it is degunked and flows well. Simply using the straw of the spray can up to each hole works fine. A plugged hole will wreck a cam. Follow this up by removing the plugs and turning by hand at the damper to ensure the engine in not seized. Finally, oil the cam and rockers then crank the motor with no plugs in to watch and ensure all oil holes flow.
