Can some one help me find the size of these

Osvaldo

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Feb 9, 2021
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Hi I have a 1989 Yamaha blaster and I’m missing these rubber plugs can someone help me find the size of these plugs
 

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You don't need those plugs, those 2 bungs are for the water pump when this bottom end was used for the DT200 engine, they are blocked off by casting aluminum and would need drilled out to be open to inside the case.
you could fill them with black rtv nice and smooth if it's just for looks ?