BUSH FOR ROCKER ARM

摘要

PURPOSE: To obtain a bush for a rocker arm which is not erroneously press- fitted by engaging a press-fitting direction discriminating means on the bush with a press-fitting direction discriminating means provided on a press-fitter. CONSTITUTION: In a rocker arm 1, a bush 3 is oscillatably arranged on a hollow rocker shaft 4 of an engine. A press-fitting direction discriminating means 8 is provided on the bush 3, which means 8 is engaged with a press-fitting direction discriminating means provided on a press-fitter.