| 摘要 |
A valve clearance adjustment method is proposed which is effective in improving smoothness of an idle operation of a multi-cylinder internal combustion engine at a low engine speed. This method features steps of selecting a crankshaft angle where one of an intake valve and an exhaust valve is seated while the other valve is being lifted from its seated position, and conducting the adjustment of a valve clearance for the seated valve at this crankshaft angle.
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