Acr
Cef2lion,
I would think your ACR is working ok if you can see the exhaust valve opening every so slightly. All is does it barely crack open to relieve some pressure. Mine does not move. I even tightened all the slack out of the tappet to valve stem, and it still did not move. I set it back to where the clearance was suppose to be, put it back together and decided I had to look inside sooner or later. Maybe tomorrow.
I, like you, am not sure how to see the weights and springs inside the engine. The service manual says its nearly fool proof and either a spring has broken or slipped off. I'm going to the lawn mower shop here in town and get the spring replacements before I go into it. If that is the problem I'll fix it on the spot. If not, well, we'll go from there.
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