| 摘要 |
In a bucket tappet guide structure for a valve tappet of an internal combustion engine having a bucket tappet slideably disposed in a tappet receiving bore, wherein the tappet has a chamfered front end providing for a tappet front face having a smaller diameter than the tappet body, a guide bore is disposed in front of the tappet bore and concentric therewith, the guide bore having a diameter which is larger than the diameter of the tappet bore, however by less than the difference between the diameter of the tappet body and the tappet front face so as to facilitate insertion of the bucket tappet into the tappet bore.
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