hursst Posted September 5, 2015 Share Posted September 5, 2015 Hello, I'm in the market for an original tappet wrench for my 30U. I bought one at Hershey last year, but it's too big. I adjusted my valves last month, but forgot to write down the size of the nuts on the push rod. Duh! I want to say 7/16", but can anyone confirm the size of the push rod nuts? Thanks again! Link to comment Share on other sites More sharing options...
Plyroadking Posted September 6, 2015 Share Posted September 6, 2015 Hi,The tappet and adjusting bolt are both 1/2 inch on my spare 30U engine. I have non water and fuel pump engine out in the shed but it's buried or I'd check that one for you too. Link to comment Share on other sites More sharing options...
hursst Posted September 7, 2015 Author Share Posted September 7, 2015 Thanks, this is the answer I was seeking. My engine is the later fuel and water pump version, so 1/2" should be correct. Thanks for your time! Link to comment Share on other sites More sharing options...
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