valve cleaning r/c engine
BSA R-10 Firing Valve Clean XTX
clogged with oil or dirt, cleaning them works sometimes, but not 3. Once started open the valve until the engine starts to sputter, cough and smoke. Follow these guidelines to hopefully have a long and healthy R/C Engine Life! Open the needle-valve to the advised starting setting and start the engine. Start; Starting the Engine; Setting the Needle Valve; Engine Break In; Setting the Idle -Cleaning and Maintenance: At Flying Site/Home; Internal Components . .